6mm arc 16 inch barrel velocity chart But the real meat of the post is comparing three different barrel lengths, A longer 450 Bushmaster rifle barrel length produces a higher muzzle velocity, as it gives the exploding propellant more time to exert its energy against the projectile. 8 I hear the 90gr Gold Dots are the bullet to shoot. Posted: 2/29/2024 10:20:31 AM EDT [#2] FWIW, all the load data published in the Hornady manual for the 6 ARC, is with an 18" As an offspring of the Soviet 7. 4g r 39. of energy at the muzzle with quality 110-grain loads. For a more compact setup, a 16-inch barrel is viable, though it may slightly reduce velocity. 441 inches. You’d need to run the numbers to see velocities and energy at distances to determine what will work for you hunting. 5 Grendel (third from left) come close to matching the long-range performance of the Bill reports: “Muzzle velocities ranged from 2,893 ft/sec at 24″ to 2,598 ft/sec at 16″ for a decrease in muzzle velocity of 295 ft/sec. The 18-inch barrel on the GFR is made from stainless steel, is five-groove, has 5R rifling, and has a twist rate Note: The chart above is an example of one 9mm load. 8TVC round as 135 grains at a velocity of 3,000ft/sec. TECH SPECS: CALIBER: 6mm ARC BARREL: 16. 1″ Our friend Bill Marr of Rifleshooter. Following your developments. IF YOU CAN BREAK IT, WE WILL FIX IT! **Technical Notes – Please Read** – Our 6mm ARC barrel features a 25′ tapered shoulder for securely mounting muzzle devices The 20+ 6mm ARC Ballistics Chart. This number is used along with other inputs to determine the stability and related trajectory metrics. A 20-inch 22 ARC Trajectory Chart. Explore the performance and trajectory data, offering an in-depth look at this powerful round. While a 20 inch barrel may not achieve the same muzzle velocity as a 24 inch barrel, it can still provide sufficient velocity for effective usage. Below is a sample 22 ARC bullet drop chart that provides a general idea of the 22 ARC trajectory (24” barrel; sight height 1. 5 CM’s long-range accuracy, high sectional density, and ability to inflict great energy upon impact suit it for hunting medium-sized game as well. A bullet’s muzzle velocity is the rate at which it exits the rifle barrel, measured in feet per second (fps). 2 2170 2255 2330 2400 2460 2520 2565 2610 2640 Varget 26. VELOCITY. 218 DIAMETER: 0. 224 Valkyrie, with its smaller, faster bullet, accomplish the same thing from an AR-15? And what This calculator will produce a ballistic trajectory chart that shows the bullet drop, bullet energy, windage, and velocity. To anyone saying the ARC was "designed" for 18" barrel, please remember that the 5. The BIG little cartridge that packs a punch! Ballistic Advantage's 338 ARC barrels are purpose-built to deliver the Introducing Craddock Precision's RTR 16" 6mm ARC barrel! Get one now! 16" in length; Intermediate Gas System (Gas Tube Included) 6mm ARC Chamber; 37 oz; 1:7 Twist Rate; Enhanced / Enlarged Feed Ramps; Button Rifled Match Grade SS Blank. Toggle menu. While at initial glance, the 12-inch barrel’s velocity looks rather ho-hum, exterior Hornady bumped back the Grendel’s shoulder and switched from a 6. 22 Advanced Rifle Cartridge has been making waves among enthusiasts for its remarkable accuracy and versatility. 5" Quantity: 20 cartridges per box Hornady Item Number: Really -- the largest difference is barrel length. Does anyone run the light bullets in this cartridge with a shorter barrel (16-20")? Design of the 22 ARC cartridge case was based on the 6. The Sellier & Bellot full metal jacket (FMJ) 124 gr 7. Find 308 ballistics charts that include velocity, energy, and bullet drop for major ammo manufactures like Federal, Winchester, and Remington. 5 or 6. 2700 FPS with an SD of 14. These bullet weights range from 160 to 225-grains and reach up to 2,400 fps out of a 16-inch barrel. The average loss of muzzle velocity was 20. The 6mm ARC requires . Facebook; Youtube; Instagram; Medium Taper 16 inch 6mm ARC barrel fits AR-15 platform. 8. 2 0. So, my answer is, it depends how you Rosco Manufacturing’s 6mm ARC Purebred Barrels are a testament to precision and quality manufacturing. AR-15’s) and kept to a maximum pressure of Faxon Match Series 6mm ARC Barrel Specs. Do you loose that much FPS by doing that? 11-23-2022, 11:55 PM . For the 6mm ARC, 18 inches seems to be the sweet spot for barrel length to velocity. 56mm. This mild-mannered round slings 108-grain Hornady ELD-M bullets at 2,500 fps from a 16-inch barrel. The result is a 22 ARC; 338 ARC; 400 Legend; 5. 410 bore, 12-, 20-, 16 gauge and 28 gauge, and with lengths ranging 26, 28, to 30-inch barrel. 5 Grendel 20" Grendel Hunter To see the data on lengths other than the 20", follow their respective links: 16" 18" & 22" (Lengths without links are not completed). 9 My 22 ARC is a Re-Barrel of an older Accuracy Build 204 Advertised velocity of the 6mm ARC 108-grain ELD-Match load is 2,750 fps from a 24-inch barrel. More Information All data from a 24" Bbl, unless otherwise noted. SIG tells us the commercial version of the rifles will have a Engineered for the AR-15. Need a good heart Length: For the . Here it is This article includes velocity, energy and bullet drop data for the most popular 9x19 loads in the U. 5 CREEDMOOR 308 WIN 260 REM 270 WIN 30-06 SPRG 300 WIN MAG CALIBER 243 WIN 6 MM CREEDMOOR 6. · Mainly plan to shoot the 108’s depending on what my barrel likes. With Blackout you see substantial velocity gains well past 16"(2400 fps). Googled more info and found this article. Using bullets from Hornady V-MAX, Speer HP, Hornady GMX, Berger Varmint, Sierra Tipped MatchKing, Barnes BT LRX, Barnes BT LRX , Barnes BTLRX, Nosler Partition, Vapor Trail V-TAC, Sierra HPBT, Hornady A-TIP. Because the dasher was designed to get the most out of the longer, high-BC 6mm bullets with as little powder as possible, it is recommended to get it in a 1-8″ twist or smaller, with my preferred being a 1-7″ twist rate barrel. Ballistics: Ammo Description Velocities were established from a 24-inch barrel. The average five shot group from that rifle is ~. Both before and after throating. 6mm ARC Basics – What you Need to Know to Get Started · If you are only going to shoot prone or on a bench then a 28in barrel with a suppressor isn't a big inconvenience, and will add velocity which helps at longer ranges. 6 ARC makes for a lightweight AR-15 hunting rifle that can be 6mm ARC Ballistics Chart With Real World Data. Skip to content. Hornady is launching the 6mm ARC with three loads running in weight from 103 to 108 grains at about between 2,750 and 2,800 fps from a 24-inch barrel. It is generally considered to have good barrel life compared to some other high-performance cartridges. 375/HUB; JP Enterprises 6mm ARC Bolt; Night Force ATACR 4-16x42 Mil-XT; Reptilia AUS 34mm 0 moa This is why a 223 rifle with a 22-inch barrel will deliver a higher velocity than an SBR with a 12-inch barrel, even when they’re firing two rounds from the same box. A typical load using a 105-grain bullet can produce muzzle velocities of around 3,200 feet per second from a 26-inch barrel. American Eagle 75 TMJ Discover the 6mm ARC: a versatile and high-performing cartridge ideal for precision shooting, hunting, and tactical use. Hornady has described the 6mm ARC as advanced, versatile, efficient, and effective — and those are great descriptors for it. The 50 grain AccuTip-V maintains a velocity of 1,878 fps at 500 yards downrange. The Ballistic Advantage Premium Black series starts with a solid foundation: 416 Stainless Steel to maximize accuracy, with black nitride finish to resist corrosion. By adding trajectories to the panel on the right you may produce charts and graphs that show the different trajectories For those reasons, flat shooting, medium bore, high velocity (up to a point), and mild recoiling cartridges with a long barrel life have a big advantage in these competitions. 1 inches of bullet drop at 50 yards, assuming a 100 yard zero. 56 in the chart is with a 16” barrel, but the 300 BLK is using a 10” barrel. Hornady Black 6. 5 Creedmoor, or anything bigger. 244 Remington. Value. 224 Valkyrie, 6. 308 Winchester and fits in a lighter and shorter package than the AR-10. $219. 6 Blackout is loaded with lighter-weight 338 caliber bullets. 6mm ARC 108 gr ELD ® Match Item #81608 | 20/Box . 16 Gauge; 20 Gauge; 24 Gauge; 28 Gauge; 32 Gauge; 410 Bore; Muzzle Velocity (fps) Muzzle Velocity (fps) Must be a number greater than 0. These barrels are a 1:3 twist whereas your typical AR-15 barrel is a 1:8 twist and typical AR-10 barrels chambered in 308 Win are 1:10 twist rates. Weight vs. 6mm ARC at the left, with a . For 6. A 12. Load development for a new cartridge can often be analogous to a science project and usually requires a lot of experimentation before an optimal formula is found. Actual ballistic performance may vary depending on bullet weight, lot, barrel length, and environmental conditions while firing. 5″ for a loss of 241 feet/second. That beats the 6. 536 (G1) / . 5 twist, 6mm ARC, MT, 416SS, SBN MUZZLE: SV Brake, threaded 5/8-24 GAS PORT LOCATION: Rifle Length with SLR Adjustable Gas Block Welcome to Ballistics By The Inch, or 'BBTI' as people have taken to calling it. Oct 25, 2023 #11 Oct 25, 2023 @Ledzep Do you happen to have any barrel length/velocity charts for 22 ARC like the 6mm one you've posted in the past? FredHammer FAFOIST. 56 NATO, it still doesn’t have the legs of . The muzzle velocity used for 5. 5 Grendel, with its heavier bullet but lower velocity, or even the . 6mm ARC (Gas Gun) 108-110gr 6mm ARC Max Charge Velocity vs Barrel Length (inches) POWDER MAX CHARGE 12" 14" 16" 18" 20" 22" 24" 26" 28" IMR8208-XBR 25. Hornady has a comparison chart on their pdf of the gas gun 108-110 loads. Designed to meet the needs of the world’s toughest critics, the 6mm ARC utilizes efficient, high‑BC bullets to deliver unprecedented performance from the AR‑15 An in-depth look at 6. 516 inches. · Doing a precision build that can stretch its legs and reach out and touch on the 6mm Arc AR15 platform. Chrome-Moly Vanadium (CMV): CMV barrels are a · The 6 BR, 6 BRX with zero freebore with H335 velocity in the 3700-3800 in the BR and 4000+ with 60g Sierra in the BRX using H335 with 7 1/2, barrel life seems indefinite. 8 SPC 120 grain SST Ballistics Chart The SAAMI chart indicates that the muzzle velocity is 2,700 fps, while Hornady produced 2,750 fps out of a 24-inch barrel. 8 SPC 100 grain V-MAX | Hornady Custom 6. Jesus Saves! Maximize AR-15 performance with the EABCO 22 ARC 24” HBAR barrel. 22-250’s high muzzle velocity allow it to shoot slightly flatter than the 22 ARC to 500 yards, but by 600 yards the ARC shoots 2. However, to shoot further distances, stepping up to a 16-inch barrel is not a bad idea. From an 18-inch test barrel, the 6mm ARC launched a 108-grain ELD Match bullet at 2750 fps for 1,880 ft. 5". It is intended to be Thanks for the info. Muzzle velocity is the rate at which the bullet exits the gun barrel. 378 inches. The 6mm ARC uses a 6. 020" larger than a . The 62 grain ELD-VT bullet is an excellent choice for varmint hunting because of its flat trajectory out to 500 yards and farther. Write Your Own Review. from the standard 16-inch rifle lengths down to as short as 4. 5″ barrels. Thanks. Hornady is advertising that their 6mm ARC with 108-grain ELD-M ammunition will go 2,750 fps out of a 24-inch barreled rifle. It is intended to be 6mm ARC is built for reaching out, but with a 14. 470 24 VOR-TX BB7MM1 21526 140 TTSX BT 1. 1 star 2 stars 3 stars 4 stars Muzzle Velocity, Kinetic Energy, and Trajectory. 5 Creedmoor Sierra 142 grain SMK, velocity increases as the barrel length shortens from 27 inches to 24 inches. By adding trajectories to the panel on the right you may produce charts and graphs that show the different trajectories 6mm ARC 80 gr ELD‑VT™ V‑Match™ Item #81603 | 20/Box . 5 Creedmoor; 308 Winchester ; 243 Win - New! and unmatched velocity retention, ensuring you get the most out of every shot. Visit ODIN Works for more information on barrels, bolts, uppers, and magazines for the 6mm ARC. Muzzle velocity changes per inch of barrel length ranged from 6 ft/sec per inch between 20 and 19 inches to 63 ft/sec per inch between 19 and 18 inches. It features a rimless bottleneck with a . 5 Grendel, and 6mm ARC. 56x45mm NATO, a 20-inch barrel will give the most velocity possible out of a common barrel length rifle. 22 ARC is between 18 and 24 inches. Not sure there is enough difference in the 2 but to me (a hunter) longer is better My 6arc is a 24" barrel The 6mm Advanced Rifle Cartridge (6 ARC) by Hornady is a new cartridge that can fire a sleek 6mm (. Click “Print” and you’re done! The average loss of muzzle velocity was 20. The 20+ 6mm ARC ballistics chart is a valuable resource for shooters, providing a comprehensive overview of the cartridge's performance at various distances. Talked Important Product Note for Faxon Match Series 338 ARC AR15 Barrels: Faxon Match Series 16", Gunner, 338 ARC, Pistol-Length, 416-R Stainless AR-15 Barrel $245. Minuteman. 5 PRC 143 grain ELD-X bullet has a muzzle velocity of 2,960 fps (out of a 24-inch barrel), which is about average for 6. Many factors determine the number of shots a barrel can take before the throat and rifling of the barrel become worn to a point where the accuracy wanes, usually evident through inconsistent groups or sudden slower Full 20 Inch Designated Marksman Barrel for 6mm ARC. 525”, but the 30° degree shoulder was retained along with the . Charts are cool, but you need more info. By adding trajectories to the panel on the right you may produce charts and graphs that show the different trajectories Ballistic Advantage Premium Series SPR 6mm ARC AR-15 Barrel - Mid-Length - 16" View Details. This is cost-effective and also flat-out more convenient. Thread starter mosin46; Start date Aug 23, 2019; M. 5 PRC rifle barrel produces a higher muzzle velocity, as the exploding propellant has more time to exert its energy against the projectile. The best barrel length for 6mm ARC is 18 inches for a rifle with good velocity that is still relatively easy to transport. 5” (pin and welded muzzle breaks) rifles, This 6mm ARC reloading data is intended for use in bolt action rifles safe for pressuresvup to 62,000 psi. I totally get the 18" barrel will outperform for all my top 9-inch Barrel: In the 9-inch barrel, you’ll see about 2,100 fps and get 1,100 ft. Going from 16 to 18 inches provides almost a 100 fps increase with both Hornady and Black Hills loads. The versatile 6mm ARC does much of what larger cartridges can and everything that smaller cartridges can’t. Roughly 100fps every 4 inches of barrel and all of the published 6mm ARC; 350 Legend; 338 ARC; AR 308 Barrels. Or, you can of course use a custom action like a Terminus, Defiance, etc. Click “Calculate” to view the full chart (shown below). 2435 inch bullet that fits on a . 3 2170 2255 2330 2400 2460 2520 2565 2610 2640 H4895 25. To change and reuse text themes, go to Site Styles. On the other hand, shorter 6mm ARC barrels offer less range and velocity, but they are lighter and easier to handle. This time Bill started with a 24″ Proof Research stainless steel barrel on a Real-world testing suggests that the best barrel length for the . While 6 ARC is better at distance than 5. 6 Blackout. 5”. Introducing the Coyotero 6mm ARC 65gr V-Max MOD-1—the next evolution in precision ammunition. 5 Creedmoor Hornady 120 grain A-MAX Ballistics Chart 6. On the plus side, the 338 ARC should function reliably, exhibit good accuracy, and its subsonic load should be very quiet. 257 Roberts, and the parent case is the 7x57 Mauser. Barrel Material: 416R Stainless Steel; Barrel Type: 5R Button Rifled; Barrel Caliber: 6mm ARC; Barrel Twist: 1:7. Also, there are 60 seconds in a minute, which is part of A longer 45-70 rifle barrel generally produces a higher muzzle velocity, as it gives igniting propellant more time to exert its energy against the projectile. Add about 400 more ft/seconds velocity for a 9- to 16-inch barrel and its attendant energy gain and you’re in business as you’ve never been before. 5 200 3210 2998 2796 2603 2418 2240 3181 2775 2413 2091 1804 1549 -1. Muzzle Energy: 1,400 to 1,900 foot-pounds (ft-lbs). Velocity will be ~20-25fps per inch of barrel regardless of gas gun or bolt gun. Let’s dive into the details to uncover the secrets behind the best barrel length for . 5 Grendel’s 1. 18 inches: The 18-inch 6. 5 twist, 6mm ARC, MT 416SS, SBN; INDICATES MAXIMUM LOAD — USE WITH CAUTION Rifle Data 6m ARC Ga un) 90 GRAIN BULLETS SECTIONAL DENSITY: 0. AR-15s built as carbines typically have a barrel between 14 and 16 inches. 56 was "designed" for a 20" RLGS. May be a possible LR308 upper one day. 264″. Designed for superior long-range accuracy, the ENDEAVOR line features a 20-inch barrel so that you can squeeze out every drop of ballistic performance from this exciting new caliber. Stick to 16 inches or more for Right now, Hornady is the only brand offering factory-loaded ammo for 6mm ARC, and it only offers ammo safe for AR-15s, but it does have hand-loading data available for higher-pressures exclusively designed for bolt-action 6mm ARC rifles. 7mm PRC Velocity. You need a carbine-length gas system between 9. 75 and 9. This higher velocity helps maintain energy downrange. Reactions: Rob01. 243" 58 gr. But in our heads the 5. GMX® (6mm Creedmoor) Item No. 22411 The barrel twist rate refers to the rate at which the rifling inside the barrel spins the bullet as it travels down the bore. 5 Grendel, and 6mm ARC especially benefit from 18 to 20-inch barrels, which provide the necessary velocity for their ballistic profiles at longer ranges. In this post, I explain a bit of the physics involved here. 6 Blackout; 6. 7x28 is known for its high muzzle velocity and muzzle energy, low likelihood of overpenetration, the 5. With the 6. 5 CM with a . A 12” barrel is the recommended barrel length for optimal performance with the 8. 6 Blackout Ammo? The 6mm Remington was designed in 1955 by Fred Huntington as the . p. 6mm ARC Ballistic Charts; 10mm Auto Ballistics Charts; 224 If Hornady’s advertised velocities were, as most advertised velocities are, based on a 24-inch barrel, this equates to a very reasonable 14. The 6mm ARC performs well with barrel lengths between 18-22 inches, offering a compromise between velocity and portability. I have 600 rounds 105gr Hornady Black ammo on hand. The 6mm ARC has a slight edge in velocity, typically achieving 2,700 fps from an 18-inch barrel. 260″ ensures smooth operation, Therefore, we typically see anywhere from -7 to -34 inches of drop at 200 yards in varying 300 Blackout ammo. Barrel life variable depend on your rifle, barrel, load, velocity and bullet. Pair the 6mm ARC’s intelligent design and impressive ballistics with Bill Wilson’s precision-built Tactical Hunter in 6mm ARC and you can see why this rifle/load 6mm ARC Ballistics Chart With Real World Data. 8 SPC 100 grain CX | Hornady Custom 6. · Looking for any and all reporting you can find on 6 ARC efficiency and performance in shorter barreled setups. 3065, CBTO 1. 5 Grendel barrel is a mid-length barrel that offers better muzzle velocity than 12 inches without overly compromising maneuverability. 75 . 5 Creedmoor, the 6mm ARC is more forgiving than other calibers. Add 10" and 20fps per inch and you're there. You can get a new barrel for your Ruger American, Tikka, Bergara, Savage, etc. 5: Thread Pitch: 5/8" x 24: Gas Tube Length: Intermediate: Reviews 10. The Bartlein was on an M70 project gun that I've sold, the Proof is on a 6. It is NOT for use in AR-15 style (gas gun) rifles. Out of Stock. 5” inches to see how they will run. For instance, if I compared the data from row “1”, or one shot from the 28″ barrel and one shot from the 16. You might need a 20" barrel, or sacrifice a little velocity, etc, but it's right An AR chambered in 5. 1" Barrel Ruger Carbine; Speer Gold Dot - 124 Grain: 1067 fps: 1346 fps: Federal HST - 124 Grain: 1135 fps: Now Available: Coyotero 6mm ARC 65gr V-Max MOD-1. The 6mm ARC has also become very popular on the civilian side of things. -lbs. 2444 For maximum velocity with 5. Especially being able to go with a 16 inch barrel and still getting crazy velocity. Explore its development, ballistic performance, and optimal setups for AR15s and bolt-action rifles. When a 450 Bushmaster 300 grain bullet is launched from an AR-15 platform carbine with a 16-inch barrel, its velocity will be lower than the same 300 6mm ARC is initially available in 103-, 105-, and 108-grain loads. I'd like to think I had the original 12. 412 24 Barnes Master Muzzle Velocity: 2,500 to 2,800 feet per second (fps). v-max® item no. Attached Files Uncover the secrets of 6mm ARC ballistics with our comprehensive chart. 0 Inches MOA MIL Calculate. 5” 6mm ARC averages 2320fps with factory 108gr eldm. Note: The chart above is an example of one 22 ARC load. Your barrel has a twist rate of 1/7”, or one revolution for every 7 inches of barrel length. A 5. 243” bullet instead of the 6. The twist rate was specified at 1:7”, which will easily · I just ordered everything to build a 6mm ARC AR15 with an 18" barrel. 56 and 6. This ensures that those long bullets are stabilized sufficiently even 6MM CREEDMOOR 6. · Sep 16, 2009 1,581 751 Bellville, Tx. · For you guys shooting 16" and 18" bolt action rifles chambered in 6mm ARC, what velocity did you get with Hornady's 108ELD factory loaded offering? 105g Hornady Black data points welcomed too. Your bolt gun or AR-15 platform rifle’s barrel length and twist rate will greatly affect performance, but you can expect about -33. Cartridges like the . · Proof Research Carbon 18" 6 ARC barrel 1:7. Will a muzzle brake affect the 300 Blackout ballistics? A muzzle brake can impact ballistics because it effectively redirects gas from the projectile as it leaves the barrel and reduces the velocity (fps). Muzzle velocity is the rate at which the bullet exits the rifle barrel. 7x28 will work as a self-defense tool (even the civilian Kel-Tec P50 or carbine FN PS90 with a 16-inch barrel length), it’s fun to shoot with low-recoil, and the ammo availability is reasonable, so it’s an appealing In general, longer barrels (18-24 inches) are preferred for maximizing the 6MM ARC’s range and accuracy, especially for hunting or long-range shooting. Full Member. The SPR contour is well suited for cold bore shots on target as well as keeping the weight at a great balance. 001 and 1. Just heard about this tonight from a fellow church member who is also a deputy sheriff who follows gun stuff. 6mm ARC reloading data with 183 loads. 5 twist rate; Barrel Length: 16" Barrel Profile: Gunner; Barrel Gas System: Mid; Inside Finish: Salt Bath Nitride; Outside Finish: Salt Bath Nitride; Muzzle Thread:5/8-24 TPI; What is the optimal barrel length for a 6mm ARC? The Hornady 6mm ARC typically has a 16-18 inch barrel. g. 441-inch rim diameter, but the 22 ARC is a bit longer than the 6mm ARC since shorter . The 6mm ARC’s case capacity is about 43 grains of water, and its case length is 1. The best 10-shot group is 1. What barrel twist rate is recommended for the 8. This process forms a potent wildcat that holds about 41 grains of water, giving it the capacity to push 105- to 108-grain bullets to the 2,950-3,000 fps threshold many competitors find ideal for accuracy. I'm debating on what bullet to shoot for nighttime coyote hunting. Gardner realized that the 6mm Creedmoor fit the bill perfectly for PRS use, so he modified an AR-10 to use the new cartridge. 5 Grendel: The 6mm ARC delivers comparable performance from a wider assortment of bullets, making it a A longer 6. 65 inches. The lighter 103-grain ELD-X bullet in Hornady’s Precision Hunter load increases that velocity in the same barrel slightly to 2,800 fps. Theoretically, a 22-inch barrel would be the best combination between somewhat manageable maneuverability and maximum The . A velocity chart for Barrel Length: 18 inch: Barrel Twist Rate: 1:7. That gives us a subsonic range of 1150 yards at sea level. The finish is exquisite with bone-charcoal blueing and color-case-hardened metalwork. 1-inch barrel (such as the Marlin 1895), its velocity will be lower than the same 300 grain The 6mm ARC and 6. 243) caliber projectile around 2,700 fps with minimal recoil and the 6mm ARC is short enough to fit within the dimensions of a standard AR-15 magazine and it performs very well out of an AR-15 with an 18 inch barrel (what we tested). For example, a 1:8 twist rate means the bullet makes one complete · I didn't answer the "bonus" part of your question - the only two CF wrapped barrels I have experience with are Proof and Bartlein. 5 Grendel Type II bolt, which has the same outer lug dimensions as a regular mil-spec bolt, but material on the bolt face has been reduced in order to fit the larger diameter case. Innovation, precision and excitement! Elevate your shooting experience, shatter records, and make your mark like never before with Hornady® V-Match™ ammunition. The old 243 Winchester can beat that by about 300 fps. Undoubtedly, more will be released as popularity increases in both the public and private sectors. Velocity - Suitable Bullets for this Caliber text. About 25 fps We’re currently working on 12. 5″ barrel Published manufacturer loading data for 6 mm ARC (Advanced Rifle Cartridge). Posted: 2/29/2024 1:41:16 AM EDT [#1] Curious as well. 5 Grendel rifle rounds in this in-depth look at history, OK. 5 Grendel is sending a bullet that is much heavier than the Valkyrie bullets. 5 PRC bullets. 5 Grendel barrel is popular among shooters who want to hit far-off targets. 6 Barrel Lengths. Home; Blog; 6mm ARC vs. TECH SPECS: CALIBER: 6mm ARC; BARREL: 20”, 1:7. I just don’t think you could fit a 6 creed in an ar15 platform. You can kind of extrapolate to the lighter pills from its 108-110 "data by barrel length. Rainier Arms Match 6mm ARC Rifle Length AR-15 Barrel - 18" View Details. ELD (l. Oh, and Hornady · Initial velocity is 2421fps, I'm sure I'll pick up a little more once I can get it broke in. 6 Creedmoor barrel length and · As I recall each inch of barrel in 6Arc gives you something like ~30-35 fps so a 20 would get you around 65-70 more than you're getting with an 18. 5 Let’s say you have an AR-15 with a 16-inch barrel. VELOCITY (FPS – feet per second) POWDER 3000 3100 3200 3300 3350 3400 M I R 4007 SSC 37. I’ve shot the SBR (with a much shorter barrel than you intend) out to the distance you’ve mentioned and that’s the For those reasons, flat shooting, medium bore, high velocity (up to a point), and mild recoiling cartridges with a long barrel life have a big advantage in these competitions. ” Hornady 6mm ARC 108gr ELD-M™ Match Ammunition Specifications (Tested with a 24-inch Hornady test barrel) Muzzle Velocity: 2,960 fps Muzzle Energy: 2,101 ft-lbs Ballistic Coefficient:. 490 inches, shortened slightly from the 6. 16-18 inches: A good choice for mid-range combat or hunting, this barrel length provides enough velocity to get the · I've got a Centurion 18" 6mm ARC barrel on order. So, with the ARC and barrel life, consider your powder choices, and your bullet weight will dictate a lot of your powder choices. Paired with the 175 gr. 440, just 0. Sent from my iPad using Tapatalk The 5. Realistically, 6mm is twenty thousandths, . Enter a name for this load The barrels are available in gauges including . The bullet weight and velocity variations vary widely, so I used the loadings listed below for this calculation. 56mm NATO (. 276 inch neck and a 1:9 twist with a large rifle primer. 16″ 12″ 8″ All three barrel lengths are available for bolt action and semi-auto AR-10 pattern rifles. These shorter barrel lengths are perfect for modern sporting rifles, and for using suppressors. 4 -18. The ideal pistol-length gas system for such a barrel will have a gas tube between 4. 56 Velocity. which were formerly dominated by very high-velocity "barrel burner" rounds like the 6 Creedmoor or 6 True Velocity’s January 17 press release announcing the SAAMI certification, however, listed the certified 6. Our Premium Series Barrels feature a Nickel Boron Coated Extended M4 Feed Ramp Extension. of energy at the muzzle. 5 CREEDMOOR 260 REM 270 WIN 7MM REM MAG 308 WIN 30-06 SPRG 300 WIN MAG BARREL) Bullet Weight (grains) 107 140 140 168 175 175 190 125 220 Bullet Weight (grains) 40 40 205 Barrel Twist How many "inches per turn" is your rate of rifling twist. I'm toying with this new rifle in hopes of similar results on an overall Two of the more common 6mm cartridges are the 6mm ARC and the 6mm Creedmoor. The 22 ARC is meticulously designed to match the AR-15 platform perfectly. The chart assumes a 123-grain 6. Five Shot Test, all conditions as above. G1 Ballistic Coefficient Must be between 0. 56 loads out there and the slightly larger . 5 Grendel and 6. You're reviewing: BARREL, 6MM ARC, TACTICAL HUNTER, 18", FLUTED, STAINLESS, GLASS BEAD, 1-7. Just hogging out an AR-15 bolt to fit the 6mm ARC leaves a thin band of steel around the cartridge case head when chambered. g r . 4 0. 308. a 150 grain FMJ fired at 2820 fps will have -0. 99 $247. g6 4r0. 224 Valkyrie (second from left) and 6. “AVG change ft/sec per inch” represents the average loss of velocity per inch based on the running averages. I've shot a 16" Grendel out to 620 yards more times than I can count (behind my house) and the 6mm ARC will do it flatter and faster. 22 ARC, whether you’re using it for hunting, competition, or plinking. The 6mm GT is a fairly new cartridge without much load data in the major loading manuals; however, the cartridge designers, George Gardner of GA Precision and Tom · I am thinking about putting together a 6mm ARC on a AR platform for night hunting coyotes with 55-65 grain bullets and wanting to see what real world velocities everyone is getting with a similar setup before I go forward with it. The Hornady V-Max . 223 For long range shooting the 6mm ARC is best used for shooting around or under 500 yards. 223 Remington, providing reduced wind drift and higher retained velocity/energy at any range. Who Makes 8. The 24" barrel gives the fastest velocities. 5mm Grendel bullet is fired · Christensen Arms Modern Precision Rifle 6mm ARC 16" 1:7. · My 10. ELD-X hunting load (shown here indicates maximum load — use with caution rifle data 6m arc bol un) 58 grain bullets sectional density: 0. Perfect for integral suppressor or just using as an SBR/pistol. 56 NATO / . This information is free to use and share. I about forgot the Hornady 22 ARC 88 ELD-Match Velocity Numbers. 00. All factory loads. 6mm ARC WEIRDNESS. 223 will, as far as muzzle velocity and wind drift. 5, INTERMEDIATE Your Rating. Looking at the velocity chart, we see that, even at 300 yards, the ARC bests the Grendel by about 180 fps. The reason for the difference between the SAAMI data and the press release isn’t clear. 223 Remington) is far right. BA barrels have always been slow in my experience though. Utilizing a 0. Thanks, 108-110gr 6mm ARC Max Charge Velocity vs Barrel Length (inches) POWDER MAX CHARGE 12" 14" 16" 18" 20" 22" 24" 26" 28" This 6mm ARC reloading data is intended for use in gas guns (e. acudaowner Just got a 20" 6mm arc barrel in from the 6. 5 Grendel are both designed for AR-15 platforms. 6 Blackout cartridge. Jump to a ballistics chart: Hornady Black 6. 6 -16. Both have 30-degree shoulders. Lowest point of the bullet is seated just below the case neck/shoulder junction, COAL 2. 5 inches. 5" Bbl Desert Brown Cerakote Folding Rifle w/FFT M-LOK Handguard 801-03045-00 For Sale. Hornady 6mm ARC Losing Ground. The 6mm creedmoor and the 6mm arc are two popular cartridges known for their long-range shooting capabilities. Here, you could open up the range at which you hunt, whether hogs, deer, or whatever. A bullet’s velocity is measured in feet per second (fps). 5”). Barrel Material. 5-inch barrel, this gun is still leaning more on the running and gunning side than on the long range side. Running a Berger 109 Long Range Hybrid from a 20" barrel we expect to be around 2625 FPS. They will work look in the Bolt Action section then go to 16”-18” inch guns. " I Note: The chart above is an example of one 5. 6mm ARC Ballistic Charts; 10mm Auto Ballistics Charts; 224 Valkyrie Ballistics Charts; 204 Ruger Ballistics Charts; 30-30 Ballistics Charts; 6. 300 Blackout; 9mm PCC Barrel Velocity By Barrel Length Chart Velocity and barrel length data for 9x19mm Parabellum, also known as 9mm Luger and so on. Additionally, converting an AR-15 to a 6mm ARC requires only three additional parts. Actual ballistic performance may vary depending on bullet weight, lot, barrel length, and environmental conditions while shooting. Mar 23, 2006 It's showing 3200 and change. The 142 SMK with a 17-inch barrel competes closely with the 308 Winchester 175 SMK with a 22-inch barrel up to Sig has listed a Sig Fury Hybrid Elite bonded polymer tip . 5. 56 load. Reactions: FuhQ. $5 Shipping Sitewide; 5-Star Reviews. One of the significant · Recently just purchased a 6mm arc 18” ballistic advantage barrel in 1-7 twist. 0. Velocity - · But again, most (if not all) modern powders (pistol - 308 type)burn within the first 3 inches of barrel but containing the blast and harnessing the energy for a longer period of time gives you more muzzle velocity. The 1:7. 16-18 inches: A good choice for mid-range combat or hunting, this barrel length provides enough velocity to get the Dropping from a 16-inch barrel to a shorter and handier barrel length, such as 12. (02-09-2024, 01:57 PM) Bassfish1952 Wrote: (02-09-2024, 02:17 AM) Labrador103 Wrote: Looking at the howa mini 6mm arc. So, a bolt action rifle with a 24-inch barrel could produce higher muzzle velocities than a semi-automatic carbine with a 16-inch barrel. Neck lengths of about one caliber are thought to be optimal for the best ballistics and accuracy, and the 6mm ARC has a neck length of Because the bullet weighs more, it doesn’t rely on velocity for its terminal effect on animals, so you don’t lose much effectiveness by choosing 16- or 18-inch barrels. Stretch that out to a 24-inch barrel, and you're over 3,120 feet per second. Its optimal overall length of 2. Compare the 6mm ARC vs 6. 56mm is a flyweight and the 6mm ARC is a big boy. Equally at home in AR-15 platforms and short or micro action bolt guns, this load is suitable for applications from personal defense to match shooting, hunting, 6mm Dasher Twist Rate. 441” case head diameter. 63×39 case. Rainiers have always shot faster than average for An in-depth look at 308 ballistics, including velocity, energy and bullet drop values for some of the most popular loads sold to American shooters. Just have a look at the charts. The Hornady Precision Hunter 6. Mid-Length. But doesn’t the 6. It will be easy to handload. I know it’s designed for heavier bullets, but could I get away with 58, 65, 75, or 87 grain vmaxs? Thanks in advance . 224 Valkyrie, a barrel length of 20-24 inches is ideal, maximizing velocity while maintaining manageable recoil. This chart shows you how . 6mm Creedmoor | Caliber Comparison Here is a ballistics chart of the 6mm ARC with a 108-grain ELD Match bullet: range (YD) drop (IN) wind drift (IN) velocity FPS: The result is 100 to 130 fps increase in velocity over the 6mm BR while shooting 105-grain bullets. 9 0. The 90 gr SMK had a muzzle velocity of 2,782 feet/second at 28″ and 2,541 feet/second at 16. 00 . Each rifle ships with one 10-round magazine. 75-inches. The energy produced from this round in a 16-inch barrel is over 2600 foot-pounds, and the 24 This calculator will produce a ballistic trajectory chart that shows the bullet drop, bullet energy, windage, and velocity. 22 bullets didn’t dip as deeply into the case. 5" Lilja barrel in 6mm ARC from Six Sigma. 8 over 6mm. Reset. When it comes to the 6mm creedmoor versus the The 6mm ARC gives hunters the ability to successfully hunt varmints and deer. 8 SPC 100 grain CX Ballistics Chart Hornady Custom 6. The consistent velocity spread got me to The muzzle velocity of a factory-loaded 22-250 50 grain AccuTip-V cartridge is 3,800 fps. 56 $232. ) makes for an excellent long-range target round, while the 103-gr. · While a little disappointed in the Velocity Numbers, this should translate into less Pressure, and longer Case Life. What are the pros and cons of the 22 or 20 inch barrels? Thanks in advance. Add to cart for sale price $174. 4 -33. 5 Grendel and the 6mm ARC. 261 Recommended Twist Rate: 1:7" - 1:7. Experience Hornady’s new 6mm ARC Each RESOLUTE rifle chambered in 6mm ARC features a medium tapered 16-inch barrel and ship with one 10-round magazine. 5 Grendel and 6mm ARC slightly, at 1. 5 Grendel, it’s tailored for long, heavy bullets with high ballistic coefficients. 5” 6mm ARC will have very similar ballistics to what a 16” . Notice that even a 12-inch barreled 6mm ARC has a higher The 6mm ARC has a much flatter trajectory than a 7. 224 Valk stacks up compared to . Have seen some reports of 16” higher end barrels 2600 fps with the 108’s and several 18” Ballistic Advantage barrels sub 2600 fps. 308 Winchester alongside for comparison. from lighter bullets, while longer barrels will benefit from the ballistic advantage of longer, heavier projectiles. Rob01 Moderator. Those changes allowed the cartridge to use high BC bullets. . 6. The muzzle velocity of a Remington High Performance 55 grain PSP round is 3,680 fps. 223 Remington; 6MM ARC; 6. Common 6mm ARC Barrel Length Options. The 6mm ARC uses lighter bullets, usually 103-108 grains, compared to the Grendel’s 123 VOR-TX LR 28981 139 LRX BT 1. 5 Grendel 18" Grendel Hunter To see the data on lengths other than the 18", follow their respective links: 16" 20" & 22" (Lengths without links are not completed). 4”, the worst 2. However, the 6mm ARC will service the military and civilian When loaded to supersonic velocities, the 8. 56x45mm has a bolt face diameter of . 277 ammunition firing off a 150-grain bullet at 2,833 feet per second with a 16-inch barrel. 441-inch-diameter case head, similar to the 6mm ARC and 6. August 20th, 2020 6mm Creedmoor — Barrel Length Velocity Test — 24″ to 16. We chronographed that load at the range using a Labradar chrono out of the 21-inch and 18-inch ARs and got average The 6mm ARC achieves results never before delivered from the AR-15 platform with the ultimate blend of system weight, performance and shootability. Click “Edit Text” to update the font, size and more. This load drops 29 inches at 300 yards with a 100-yard zero. 5 feet/second per inch of barrel length. 5 Grendel ballistics data. Hornady is claiming its 6mm ARC will yield 2,750 fps with a 108-grain ELD-M bullet from a 24-inch barrel. · Starline 6mm ARC brass Barrel has now been throated. 22 ARC is between 18 to 24 inches. I will try to post a pdf that Hornady put out when they introduced the 6 Arc, at the bottom is a chart of MV vs barrel length, for the 108-110 bullets. · I chose a 20 bs 22 inch barrel as I am going to shoot it suppressed. Wilson LMT Barrel conversion w/SLR Micro Gas Block; Rearden SPB . What is the lightest bullet I would be able to shoot with this twist. The interest in lighter weight builds, whether that be pistols or non-SBR 14. You’re giving up distance, but long-range shooting is not the intent of a 9-inch-barrel carbine. I'm currently shooting 95gr vmaxs out of a 22" 6. 5 Grendel ballistics offer shooters a NATO-standardized round with a few benefits that might have you swayed over the slightly smaller 223/5. Magazines may be an issue and are undoubtedly the main issue you’ll hear with initial reviews. 243” bullets. · “For a hunting centric gun I'd go 6. One of the best things about 300 BLK is that it gets complete burn in a much shorter barrel. The 6mm ARC’s barrel life is around 5,000 rounds, so it lasts significantly longer. While it can be used for longer-range shooting with the right setup, the 6mm ARC is most commonly used with an 18-inch barrel and in an AR-15 platform which is by no means a precision rifle platform. This chart takes into account factors such as bullet drop, velocity, and energy, offering a detailed snapshot of the bullet's 6mm Creedmoor Barrel Life. 5" bolt action that isn't finished yet. bfoosh006 Sergeant. 5 200 3100 2865 2642 2429 2227 2034 2988 2552 2170 1835 1542 1287 -1. The high muzzle velocity of The cool thing is that Preferred Barrel Blanks does prefits for just about any action you already have. Below, we’ve compiled a chart of 6. 243" 90 gr. 270 (G7) Sectional Density:. Many shooters opt for a 16″ barrel if they don’t plan on shooting past 500 yards or they’ll prefer a 26″ barrel for mile shots or long range shooting. 0 -5. 0 -6. a company I became acquainted with It’s based on the 6mm ARC case in that it shares a . S. 5 and 6. 8 inches on such firearms. I normally shoot heavier bullets but from some conversations you can "over do it" with this round. The length of a rifle's barrel and how it affects the velocity of the bullet is one of those major factors. With the Black Hills 6mm ARC load, velocity dropped less than 150 feet per second (fps) while shortening the barrel four inches. s. The 55 grain PSP maintains a velocity of 1,490 fps – AVG MUZZLE VELOCITY W/ HORNADY 108GR: 2350 FPS – AVG TRANSONIC POINT: 1080 YARDS – MIL-SPEC AR-15 COMPATIBLE – WARRANTY: LIFETIME. Our initial research data covered the relationship between barrel length and velocity for some 13 common handgun calibers/cartridges. Here is the short answer: The 6mm ARC is a. 750" Gas Block; Threads 5/8x24 with a 11° target crown; Multiple 16 inches: A 16-inch 6. 5 Grendel with a 123 · My 6MM ARC is on an AR15 platform, it's an Aero Precision with a 16" barrel, it is all Aero with a Ballistic Advantage barrel ordered as an assembled upper from Brownell's and was designed to be a CQB/truck rifle. 140 diameter: 0. 5" 6mm ARC idea, I bought the barrel early but didn't put it to use until this last year so second is good enough . · Yeah the creed has the advantage, everything else being the same. 5 twist Rifle +1, D. Ballistic Charts & Data; June 1, 2021; Brandon 16. For best accuracy, a heavy / bull barrel is preferred. As you can see, 6mm ARC is really the only one that comes fairly close -- however, 6. In very simple terms, the 6mm ARC’s exterior ballistics exceed anything currently possible with any other AR-15 cartridge, especially at long ranges. 7 2170 2255 2330 2400 · 16" would be just fine and a blast out to 600 yards. Barrel Length Variation vs. If you are going to shoot comps that require moving, then a shorter barrel would be easier to wield. I don’t think a 6 Creed is in there but you will get an idea. 5 CM’s . 6 -37. 308 Win, 6. 8 SPC Ballistics · Given your screen name I figured it makes sense to point this out - a 6 ARC or its various 6mm Grendel wildcat predecessors and a good load of Leverevolution will come real close to that, and in a smaller frame than a Creedmoor. Nearly every 6. · - Smith work: $785 (includes chamber/install barrel, true receiver face and lap lugs, bed action to stock, thread barrel and time suppressor mount, and cerakote receiver/bead blast barrel) - Stock: $900 - Bottom Metal: $200 - Barrel blank: $360 (the co-pilot used a Proof CF barrel so this would have been Find reloading data for various cartridges and powders, including IMR Improved Military Rifle, on the Hodgdon website. If you are looking for accuracy, long-range performance, and compatibility with the popular AR-15 Hornady offered a solution to the demand for a better AR-15 round, and the 6mm ARC has proven a capable alternative to the 5. Looking at the potential for the 6mm ARC we have great expectations for this round for hunters and long range shooters. Faxon Faxon’s 338 ARC barrels are designed to deliver the velocity and terminal ballistics you need for long-range shots. 5mm Grendel cartridge features a 123- grain bullet. 5 grendel forum group buy! Looking forward to getting this together next week And working it up! Feb 16, 2017 1,031 253. Although originally introduced for target shooting, the 6. When a 45-70 Govt. With a muzzle velocity of 2,750 fps from a 24-inch barrel, the ARC 108-grain ELD Match bullet generates 500 more foot-pounds of energy at the muzzle than a 75-grain . 62x39 Russian has a muzzle velocity of 2,421 fps, while the TulAmmo 154-grain bullet has a muzzle velocity of 2,329 fps. The ARC in SP-ARC stands for Hornady’s 6mm Advanced Rifle Cartridge (ARC). 5 CM "carbine" with a 20" barrel. Carbine. The 6mm ARC produces a larger splash signature that allows shooters to self‑spot impacts and make rapid adjustments. The . 5 1. Moderator. In response to the phenomenal popularity of the site, we've continued to do testing, and have expanded the · Range Report 6mm CM 20" bbl velocity. This 6mm ARC reloading data is intended for use in bolt action rifles safe for pressuresvup to 62,000 psi. 24” barrel; depending on projectile). 62 NATO/. While you can find some 120-grain bullets out there, they’re definitely not the norm. 3 This calculator will produce a ballistic trajectory chart that shows the bullet drop, bullet energy, windage, and velocity. 005 smaller than a 7. By the numbers, the 6mm ARC case head measures 0. 300 grain bullet is launched from a lever gun with a 16. 223 Wylde or 5. I could see a hard-cast bear load 200-grain bullet moving out at around 1400 f. What are the drop and wind drift characteristics of a 6mm ARC at 500 yards? Similar to the 6. Save Load. 5" rifling twist is faster than most 243/6mm barrels and meets the original design specs for long range HEAVY 6mm ARC bullet performance. 62×39, the 6mm ARC get some of the shared battlefield cred, too. Once it reaches 500 yards, it has slowed but it’s still maintaining excellent velocities. 800-950-9088; Gift Certificates; My Account; Cart. 5mm to a 6mm projectile. 9 feet/second per inch of barrel. This is typically expressed as a ratio, like 1:7 or 1:9, indicating how many inches the bullet travels before completing one full rotation. Then click “View Cheatsheet” and the simpler, 4-line Drop Chart (shown above) appears. Hornady’s new 6mm ARC was designed for a specific military requirement; the 108-gr. 5” drop Best Barrel Length for 6mm Arc. Apr 13, 2021 #20 Apr 13, 2021 This extra long EABCO 24" HBAR Accuracy Barrel® was designed to squeeze the most from 6mm ARC in velocity, performance, and accuracy capabilities. Actual ballistic performance may vary depending on bullet weight, lot, barrel length, BC, and environmental conditions while firing. 8 fps loss in velocity for each inch of barrel loss. So far this upper consists of JP Bolt, (2a Ti regulated BCG or BAD Enhanced), (BAD Ti gas block or SA Ti Regulated gas block), Blk Lbl 17" Handguard with titanium barrel nut. 5 inches, will further reduce that advertised 2,075 fps muzzle velocity. Typical value for this input is between 1:7" and 1:13". Federal Premium 90 gr SMK. In similar barrel length Grendel in the 125gr range it is neck and neck velocity wise. Note: The chart above exemplifies one 7mm PRC load. It will a produce a line graph showing the bullet drop and flight path of the bullet. Common barrel materials include stainless steel and 6. We took a step back to see how we could create a barrel line that would be a culmination of all the lessons learned through years of making barrels for several OEM’s. 6 Blackout? A 1:3 in or 1:4 in barrel twist rate is recommended for the 8. 9mm Velocity. It blows the doors off the 5. Precision, velocity, and easy installation. Depending on the ammo load, you can achieve muzzle velocities between 2330 and 2575 feet per second, which is more than enough to take down 500-yard targets. 223 Remington, 6. · Within the confines of small frame AR design 300HAM'R dominates the BLK in super sonic loads across the board in weight ranges from 110-150gr & barrel lengths from 16-11. Building on the success of our original 65gr V-Max, the MOD-1 is designed for slightly higher velocity and optimized performance, particularly in longer barrel Author's note: My custom 6mm GT rifle build article can be found here. Testing the performance of common factory ammo in 6. 8 SPC 100 grain V-MAX Ballistics Chart Hornady Custom 6. 5 Grendel ballistics with velocity, energy and drop data for the most popular loads among American shooters. – · I'm hoping factory Black shoots well with velocity around 2540fps in my 16. com has done it again — conducted a fascinating 6mm Creedmoor barrel cut-down test that reveals how velocity changes with barrel length. 20 inches: If you want maximum velocity and range, a 20-inch This Rosco 16″ 6mm ARC Barrel was made to enhance the performance the 6mm ARC. mosin46 Sergeant. The maximum case length exceeds both the 6. 8135”. Charts. A mid-length barrel typically Then simply input G1 or G7 BC values, muzzle velocity, bullet weight, zero range, and a few other variables. As long as it’s a standard long-action, you should be just fine putting a “AVG change ft/sec” shows the difference between the running averages of the 28″ and 16. 8 SPC 120 grain SST. · I realize this thread is a few years old but unless I missed someone I'm adding the only input on a 12. 5cm AR10 with great results. Using a chronograph (a device for measuring the speed of a bullet), you see it leaves the muzzle at 2700 feet per second. 5 Creedmoor Sierra. It is measured in feet per second (fps). BC-15 | 6mm Arc Upper | 16” 416R SS M4 Barrel | Mid-length Gas System | 1:8 Twist | 15” MLOK | with BCG & Charging Handle There's a lot of engineering voodoo that goes into making a rifle work well and fire accurately. A 20-inch barrel is the best all-around length to go with for multiple uses. Comparing it to my AR15 A2, my sons Stag Arms SR1 and my 2 M1 Carbines I can say The 6mm version is a necked-down version of the 6. 1″, 1:7. Even at 200 yards, it’s still delivering high speeds, maintaining a velocity somewhere in the 2,400-2,500 range. The thought is that they could be little pig blasters for guys in east Texas who are hunting in the tight brush but still want to run 6mm ARC. 6mm ARC Ballistics — 105gr ELD-M 18″ Gas Rifle This 16” 6MM ARC barrel is machined from 416 Stainless Steel with a bead blasted finish. · [ARCHIVED THREAD] - 6mm ARC barrel length, 16" or 18" ARCHIVED; Posted: 1/10/2023 6:06:36 PM EDT I am debating on a 16" or 18" barrel. In spite of its inferior ballistics to most modern hunting cartridges, the 308 Win’s massive popularity — and still perfectly serviceable accuracy and terminal performance — mean it’s not I’m going to put together a 6mm arc and noticed that CMMG lists the gas system as rifle length on their 16″ carbine barrel, why is that? What’s even stranger is on their complete uppers they list their carbine in 6mm arc as having a carbine length gas system as opposed to the rifle length gas system on their 16″ barrel sold According to Hornady’s ballistic lab, their 6mm ARC 108-grain ELD Match load will average 2,660 fps from a 20-inch barrel, 2,600 fps from an 18-inch barrel, 2,530 fps cutting it back to 16 inches and about 2,350 fps from a short 12-inch tube. The case is based off a narrowed neck on the . are all abysmal. Coming out of the muzzle, it maintains speeds around 2,750 to 2,800 fps. 56 NATO/. Staff member. But what is the optimal barrel length to maximize the potential of this innovative round? Real-world testing suggests that the best barrel length for the . Powders include Hodgdon, IMR, Winchester, Accurate, · A 16 or 18-inch 6mm ARC barrel checks these boxes without compromising muzzle velocity. The Hornady 6mm ARC takes the 24-caliber into record territory — the slowest muzzle velocity of any commercial cartridge propelling . 5 Grendel.
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