6mm arc 20 inch barrel velocity. 5 Grendel Rifle Complete Upper Build .

6mm arc 20 inch barrel velocity The magic happens when you look at the downrange performance. 5 Grendel Rifle Complete Upper Build Ballistic Advantage 20" 6MM 2 days ago · The barrel life using the 6. 12. The 108 grain ELD MATCH load from Hornady lists a muzzle velocity of 2,750 FPS out of a 24-inch barrel. 1 ft/sec per inch. Nov 24, 2022 · 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. They advertise it should be 2750 FPS from a 24" barrel. 5" and 18" 6 ARC barrels too. The 20 inch 6arc gas gun that I shoot gets around 2668 with the same ammo. pdf (Size: 140. 5 12. Jan 5, 2022 · Heavy SPR Profile 6mm ARC Barrel for AR-15. That is a little over 21 FPS/inch improvement in velocity. Featuring functionally aggressive flutes and crisp, clean lines, BA Fluted barrels deliver the perfect balance of weight and rigidity. Aug 20, 2020 · 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 1:7. Feb 2, 2023 · For maximum velocity with 5. I pulled a lot of data from different barrel lengths and used standard deviations to calculate the velocity at barrel lengths without data. Aug 24, 2019 · hope this is the right place to ask this. both get a low 0. It blows the doors off the 5. Powders. 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. 5 Grendel is starting with over 200 ft/lbs. 5 twist rate and is made from 416R rifle-rated steel, ensuring superior durability and accuracy. 078-000-608 6mm ARC Barrel 20” Rifle, 1-8 twist. Average for 20 rounds: 2680 fps so the velocity Jun 3, 2020 · Add 64 fps to the velocity from the 21-inch barrel to calculate about what you’d get from a 24-inch barrel and you get 2,744 fps velocity which essentially mirrors with what Hornady is advertising. I am considering building something a bit more handy and less cumbersome than my 24. Attached Files 6mm-arc. Let’s dive into the details to uncover the secrets behind the best barrel length for . Jan 6, 2017 · For instance, if I compared the data from row “1”, or one shot from the 28″ barrel and one shot from the 16. Although the 6. 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. 75 gas block. 8 SPC does at 500 yards. I’m understanding the 6mm arc hype now. The SPR contour is well suited for cold bore shots on target as well as keeping the weight at a great balance. We are proud to offer our 20 inch 6mm ARC AR-15 Barrel, 4150 CMV and Melonited/Nitrided, 1/7. Mar 24, 2024 · One unintended side effect of a longer throat is a slightly lower velocity. Converting an AR-15 to a 6mm ARC But what if your AR-15 configuration can’t chamber this ammunition? Shop Faxon Firearms Match 6mm ARC Barrel | 4 Star Rating on 2 Reviews for Faxon Firearms Match 6mm ARC Barrel Blazin' Deal + Free Shipping over $49. All depends on what you need. My main use for the 16” is suppressed yote hunting (hence the desire for a shorter barrel), but its velocities with factory 103gr ELD-X are enough to keep me supersonic out to 900ish yds at sea level. 5 twist and M4 feed ramps ensure consistent accuracy. Our Premium Series Barrels feature a Nickel Boron Coated Extended M4 Feed Ramp Extension. View attachment 7397936 I’ve got or have had . I am contemplating building a 6 Creed or a 6 GT. 7-­inch twist rate for the 6mm ARC, the same as used in their barrels chambered for 6mm Creedmoor. 223 barrels in: 10. 5; Barrel Length: 20” Barrel Profile: Heavy Fluted; Barrel Gas System: Rifle; Inside Finish: Salt Bath Nitride Feb 29, 2024 · Real-world testing suggests that the best barrel length for the . We’ll see how the 12. Feb 26, 2024 · Real-world testing suggests that the best barrel length for the . May 4, 2014 · Velocity out of 20-22" 6mm or 22 creedmoor barrels. 56mm and 105/108gr for the 6mm, which yield 20grs more mass for 6mm. 5 Twist, Medium Contour Barrel Profile with a Rifle Length Gas System. I didn't try GRT. Factory loads from various manufacturers typically push 103-108 grain bullets at velocities around 2,750 fps from a 20-inch barrel. thought about keeping it and Jan 5, 2022 · The barrel features a tapered profile to make handling easier, while retaining enough mass for repeatable accuracy at long range. We both have 24" BA barrels, and he also has a 18" BA. What I would consider to be fairly normal velocity loss for a 20 Inch Barrel, and 24" barrel numbers. (Photo: Faxon Jul 11, 2020 · 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. Perfect for long-range shooting, this barrel is built to meet and exceed SAAMI specs, providing remarkable performance that rivals the 22-250 Remington. i am wondering if anyone has any hands on re 6mm CM (or even 243 & other similar 6mm) from a 20' bbl. Dec 29, 2019 · Some of that translates into added velocity, which is why I usually see 50-35fps/inch from 16-20 for . What are the drop and wind drift characteristics of a 6mm ARC at 500 yards? Feb 24, 2024 · I've got a Centurion 18" 6mm ARC barrel on order. Jul 20, 2023 · 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. 750 gas block size Feb 17, 2025 · A 12. The 6mm ARC has a slight edge in velocity, typically achieving 2,700 fps from an 18-inch barrel. These barrels are also polygonal rifled with a 3 groove, 1:7. I get 2525 FPS from Hornady Match. 6mm ARC SSK-50 / Contender 20 May 8, 2023 · Faxon Match Series 6mm ARC Barrel Specs. Jan 18, 2025 · A typical load using a 105-grain bullet can produce muzzle velocities of around 3,200 feet per second from a 26-inch barrel. 2 2170 2255 2330 2400 2460 2520 2565 2610 2640 Varget 26. rdsii640; Dec 15, 2024; Semi-Automatic Rifles Replies 3 Views 240. 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. Let’s investigate the details to uncover the secrets behind the best barrel length for a . I dont think you lose much in shorter barrels in 6 ARC. 5 14. LVR gives me about 25 to 50 fps more velocity. Feb 19, 2025 · We won’t see a reliable polymer 6mm ARC mag until someone copies LWRC and makes the magwell larger; We need a magazine that holds over 20 rounds; 6mm ARC should offer better short barrel performance (specifically out of a 12. Jan 26, 2024 · The Hornady 6mm ARC typically has a 16-18 inch barrel. TECH SPECS: CALIBER: 6mm ARC BARREL: 20”, 1:7. This Rosco 20″ 6mm ARC Barrel was made to enhance the performance the 6mm ARC. BALLISTICS. 750 gas block diameter 1-7. After my first batch of 6mmARC MONSTER 20" barrels, I'm thinking of going to the 12s even before I do the 16s. 1-7 It is a 20-inch long barrel made to accept the 6mm ARC rounds from a specialty build chambered in this caliber. With a lightweight design that provides an optimal weight savings, these AR15 Barrel by Proof Research are much more durable than their steel predecessors and deliver softer recoil - boosting your performance in the field, backcountry or For the most accurate 6mm ARC AR15 barrels at the best price, shop for expertly-crafted, affordable AR 6mmARC barrels that won't break your budget at Rexus Outfitters Dec 1, 2024 · Ideal for long-range enthusiasts and semi-automatic rifle fans, this rifle brings a host of premium features, such as a 20-inch barrel, PWS muzzle brake, and 6mm ARC cartridge. Low recoil, exceptional accuracy, and very capable out of a small frame AR. Mar 31, 2021 · 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. The 6mm ARC is a 5. We have had great success with whitebox 108ELDMs. 5 Grendel are both designed for AR-15 platforms. The 20 inch length of this barrel imparts incredible velocity to an already May 4, 2014 · very close here. Features: Chambered in 6mm ARC; 20” SPR barrel; 1:7. Oct 1, 2020 · Ruger selected a 1:7. Barrel Material: 416R Stainless Steel; Barrel Type: 5R Button Rifled; Barrel Caliber: 6mm ARC; Barrel Twist: 1:7. It accepts all the same components as the Grendel, including the magazine and bolt, so all you need is a 6mm-specific barrel. Need a good heart Jan 25, 2024 · 212 ELD-X Velocity: 2,850 feet per second (FPS), with a 24-inch barrel 225 ELD Match Velocity: 2,800 FPS, with a 24-inch barrel Expanding their product line further, Black Hills introduces additions for the 6mm ARC. Highlights The Sanders Armory 24" 6MM ARC Straight Fluted 416R Stainless Steel Barrel with 1:8 Twist Rate with Rifle-Length Gas system. It is a 16-inch long barrel made to accept the 6mm ARC rounds from a specialty build chambered in this caliber. Next up will be my Reloaded Ammunition. 750 Gas Block with a Rifle Length Gas tube. 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; Gas Block Nov 25, 2024 · When extrapolating the real-world velocity and energy figures (found in 20-inch barrels) out to 1,000 yards, we notice just how much of a difference the ballistic coefficient makes. 5% more energy than the 6. Barrel Material: 416-R Stainless Steel; Barrel Type: 5R Button Rifled ; Barrel Caliber: 6mm ARC; Barrel Twist: 1:7. This 20” 6MM ARC barrel is machined from 416 Stainless Steel with a bead-blasted finish. 5 16 and 6. 5 twist, 6mm ARC, MT 416SS, SBN; MUZZLE: MUZZLE: SV Brake, threaded 5 May 11, 2023 · 22 inches: If you want even more velocity, consider a 22-inch barrel. Manufactured in-house from gun-barrel-quality bar-stock, the Match Series starts with 416-R in 5R rifling. The 6mm arc for sale provides better ballistics than the 5. 3 2170 2255 2330 2400 2460 2520 2565 2610 2640 H4895 25. Click to expand Shooting 65 and 75 grain V-Max in a Faxon fluted and getting sub moa at 100 using 8208 and R15. The barrel has 5/8x24 threads for adding your preferred muzzle device. The fastest loads are: The Faxon 6MM ARC 20 Heavy Fluted Match Series Barrel is configured with a Rifle gas system and 0. 20" 6mm ARC LIBERTY BARRELS® Button Rifled barrel Med contour Rifle length gas . less energy at the muzzle, it retains over 7. Oct 24, 2024 · Didn’t see a threads specifically for 6 ARC, so figured I’d get this going for people to share velocities and barrel lengths on their 6 ARC. 5" barrel. Both the 6mm ARC and the 6. Reloading Primers. Find the velocity, subtract 35fps per inch of barrel length difference you are May 11, 2023 · 22 inches: If you want even more velocity, consider a 22-inch barrel. and,yes,i have done as much on line research (rifle shooter,factory web sites etc) as i can find. 22 ARC is between 18 to 24 inches. At 550 feet above sea level during a 72-­degree clear day, Oller and I observed slower-­than-­expected velocities averaging 2,560 fps for 108-­grain ELD-­M and 2,630 fps for the ELD-­X. My velocity average was 2610fps, about 15fps faster than factory 105gr Hornady black, which also shoots phenomenally. 5 Creedmoor is approximately 3,000 rounds, whereas, with the 6mm ARC, it is approximately 5,000 rounds. You will be pleased. 76! Come see Arm or Ally's huge selection of This extra long EABCO 24" HBAR Accuracy Barrel® was designed to squeeze the most from 6mm ARC in velocity, performance, and accuracy capabilities. 6mm ARC , AR-15 Barrels. The Satern barrel turned my upper into a tack driving, game slayer w It is a 20-inch long barrel made to accept the 6mm ARC rounds from a specialty build chambered in this caliber. I'm not loading max with either LVR or CFE 223. I am looking at building a second (of my own) 6 Arc build for an AR. 833-496-6401; My Account Davidson Defense Gorgoroth 16-inch AR-15 6. Buck the trend and do it. 5" should be around 2,386. The 6mm ARC and 6. Use a Bear Creek Arsenal ar barrel in your AR15 next build and experience superior performance back by a lifetime warranty! Get the Ballistic Advantage 6MM ARC Fluted Premium Series 20 DMR Rifle Barrel (BABL6MM003PL) for $238. Featuring a 22-inch straight flute 416R stainless barrel by Satern Barrels, this 6MM ARC Upper offers extraordinary precision. 223 will, as far as muzzle velocity and wind drift. reason asking; got a 24" 6mm savage/criterion FS on here and going nowhere. Checking to see if anyone has real world data for 6 ARC velocities for 20", 22", and 24" barrels in an AR. The 24" barrel gives the fastest velocities. Whether you’re aiming to use it for precision shooting , tactical operations , or just a day at the range, this rifle delivers exceptional accuracy , power , and Barrel Length graphic: https://press. lightest weight 20 inch 22 ARC barrel. 5 twist, 6mm ARC, MT 416SS, SBN MUZZLE: MUZZLE: SV Brake, threaded 5/8-24 Dec 26, 2024 · What sets the 6mm ARC apart is its exceptional ballistic performance from a relatively compact package. My previous lot of factory Hornady 108 ELD-M gave me the same velocity you got - but out of a 14. Faxon's MATCH SERIES of barrels takes our renowned performance and value up a notch. 6mm ARC SSK-50 / Contender 20 inches Barrel with T'SOB Scope for their ammo relating to velocity, expansion, penetration, etc. We are getting Velocity Loss numbers 25-30 FPS per Inch of Barrel. 5G barrels in 12. 5 twist 5R blanks and I am going to make up a bunch of 6mm ARC chambered barrels and I am curious what people feel is most popular for a barrel length in the 6mm ARC - - I am thinking 20" because it strikes the balance between being carryable and maneuverable, yet long enough to get a decent velocity out of the cartridge. 5 Grendel upper that I wasn’t pleased with the accuracy of. The Performance Series air gauge tested with for long-distance shooting with a below 1 MOA. Velocity. Revival Defense / Beer City Bullets / Mr. 5; Barrel Length: 20” Barrel Profile: Target; Barrel Gas System: Rifle; Outside Finish Barrel Length vs. com/assets/pcthumbs/photos/1410997173-6mm-ARC---Velocity-vs-Barrel-Length-infographic. 223 Remington, providing reduced wind drift and higher retained velocity/energy at any range. to/6mPMbXr Shop 6mm ARC Encore 20 Inch Barrel with TSOB Scope Base and Thread Protector Material Whether you are looking for a Subsonic or High Velocity bullet. The 1x7. At the range getting some chronograph speeds of 4 different 6mm ARC factory loads with a 16 inch barrel. Feb 8, 2024 · The Results were an average velocity of 2964 FPS SD 5. 6MM ARC PERFORMANCE Feb 18, 2021 · Combined, the Match Series of barrels are ready for when duty calls or the buzzer beeps with unrivaled performance value. 56-platform compatible cartridge, similar to the 6. Me and a buddy collectively have 3 arcs. Made from high-quality 416R stainless steel, this barrel features a nitride finish for maximum corrosion resistance, nickel teflon extension for added durability and lubricity, and 5R rifling for excellent accuracy and Jan 31, 2010 · 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. 5R is a hybrid rifling, with lands opposite grooves and reduced sharp angles that reduces jacket deformation increasing velocity and easy cleaning. 85/90gr for the 5. Barrel Material: 416-R Stainless Steel; Barrel Type: 5R Button Rifled Honed and Lapped; Barrel Caliber: 6mm ARC; Barrel Twist: 1:7. $215. 5" rifling twist is faster than most 243/6mm barrels and meets the original design specs for long range HEAVY 6mm ARC bullet performance. No matter your barrel length, the 6mm ARC rounds have a high ballistic coefficient. This EABCO 24" 22 ARC HBAR Accuracy Barrel® is crafted for AR-15 rifles, maximizing velocity and precision. We use M4 Barrel extensions with a manufacturer's Limited Lifetime warranty against manufacturers' defects. Hornady 6mm ARC ammo velocity tends to vary lot to lot by quite a bit more than I would have imagined. The high muzzle velocity of the 6mm Arc contributes to its flat trajectory, which is highly desirable for long-range shooting. May 19, 2022 · Doing a precision build that can stretch its legs and reach out and touch on the 6mm Arc AR15 platform. Constructed from 416R Stainless Steel for accuracy, and finished with black nitride for durability, this barrel helps get the most out of the 6mm Advanced Rifle Cartridge. For best accuracy, a heavy / bull barrel is preferred. I've been trying to find short barrel data as well and it's been tough. Dec 13, 2023 · I am hoping the 6mm ARC running 55-60 grain bullets will have a higher velocity than a similar setup 223 AR running 55-60 grain bullets. Since a 20 or 22-inch 6mm ARC barrel won’t make a hunting gun overly heavy or long, you can comfortably carry the weapon while stalking or aiming at prey. I believe BRT is making those barrels for them IIRC Jun 3, 2020 · The 108 grain ELD MATCH load from Hornady lists a muzzle velocity of 2,750 FPS out of a 24-inch barrel. Theoretically, a 22-inch barrel would be the best combination between somewhat manageable maneuverability and maximum velocity, but it's a non-standard length. Recce are coming out with their own 12. 2. I have a bunch of Bartlein 6mm 5R 7. What is 6mm ARC? I had my Satern 20″ 6 ARC barrel on my rifle for over a year, so this would qualify as a long term review. 56 NATO and at the same time offer a lighter ammo system plus less recoil than an AR-10 308 winchester setup. 56 NATO/. 20” 6MM ARC DMR Rifle Length 1/7 416R SS Dec 7, 2015 · Let's assume my barrel is slow, and most 24" tubes will run that 2950 fps and you lose 25 fps per inch you'd be at 2850 fps for the factory load from a 20" barrel. lightest weight 20 inch 22 Jun 30, 2021 · How to Adopt the 6mm ARC. Oct 25, 2022 · 6mm ARC Barrel Length. A 20-inch barrel is the best overall length for multiple uses. 50s G1 BC bullet going approx 2700fps (in a 20" gasser). I have 600 rounds 105gr Hornady Black ammo on hand. TECH SPECS: CALIBER: 6mm ARC; BARREL: 20”, 1:7. 5 Creedmoor originate from the . 56 was "designed" for a 20" RLGS. While at initial glance, the 12-inch barrel’s velocity looks rather ho-hum, exterior ballistics are Velocities were established from a 24-inch barrel. Description. 5 16 18 20 and 300blk barrels in: 9 10. Also, a 20 or 22-inch barrel offers enough velocity ( 2460 to 2520 feet per second ) to easily hit targets at 200 to 300 yards and take down prey without damaging the meat. If you want another 150 fps, you're gonna need to run it on the hot side. Every barrel is different. It is a 20-inch long barrel made to accept the 6mm ARC rounds from a specialty build chambered in this caliber. Jan 5, 2022 · Hornady’s new long-range 6mm ARC round deserves a high-quality barrel to ensure accuracy and high velocity. 56 or . My rifle was nothing special, a BCA 6. Please note that these barrels will have a shorter lifespan than our 4150CMV barrels, however our warranty still applies. . What is the optimal barrel length for a 6mm ARC? The Hornady 6mm ARC typically has a 16-18 inch barrel. 5”) at long range than 5. hornady. This higher velocity helps maintain energy downrange. The upper assembly includes a 15-inch narrow profile free float rail made from 6061 T6 aluminum with M-LOK or KEYMOD attachment points. 24 inches: For maximum bullet velocity and accuracy at distances over 500 yards, go for a 24-inch barrel. Oct 16, 2024 · I have a Howa mini in 6mm ARC. 5" is around 2,450 with 108 gr. 7 2170 2255 2330 2400 2460 2520 2565 2610 2640 Jun 3, 2020 · Advertised velocity of the 6mm ARC 108-grain ELD-Match load is 2,750 fps from a 24-inch barrel. 10. The 6mm ARC has a standard muzzle velocity of just over 2,700 fps and a pretty flat trajectory for long Aug 9, 2020 · The beauty of both the 6mmARC and 6. 5 18 20 (bolt) 24 (bolt) so I’m not making it up. Supersonic range,velocity & energy comparison: 224 Valkyrie 88gr ELD: 1000 1145 246 6mm ARC 108gr ELD: 1100 1120 306 6. I was shooting factory Horty 108 ELDM’s and the velocities were a little disappointing. 5 twist bore. It features a 1-7. Built upon years of experience, Rosco Manufacturing’s barrels undergo stringent quality control, ensuring durability and performance. The 5R rifling minimizes jacket deformation, bullet jump, and increases velocity – all accuracy improving features offered in Faxon’s Match series barrels. While designed for gas rifles, like the AR-15, 6mm ARC has quickly been adopted by shooters as a bolt-action cartridge also. Jun 19, 2020 · 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. 16” Proof stainless AR barrel, suppressor, factory ammo Jan 5, 2022 · Grab a 20 inch 6mm ARC barrel to build your precision AR-15 from AT3 Tactical. To anyone saying the ARC was "designed" for 18" barrel, please remember that the 5. 81 KB / Downloads: 55) May 3, 2024 · 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. 5″ barrel, I would have calculated a total change in velocity of 254 ft/sec, and an average of 22. 220 Russian and have very similar SAAMI specs. Mar 23, 2023 · A lot of testing, refining, and math later, and we have the 6mm ARC. The current lot I'm shooting is a full 65 fps slower. A 22 inch barrel may up my velocity by 25 to 50 fps. That is a little over 28 FPS/inch improvement in velocity 4-6" of barrel means 100+ FPS for one ammo, up to 165 FPS for the other, which is good for wind and good for distance. Something you don’t find very often, but 6mm ARC has two sets of ballistics. 5 Grendel. 56x45mm NATO, a 20-inch barrel will give the most velocity possible out of a common barrel length rifle. A 20-inch barrel is the best all-around length to go with for multiple uses. This 6mm ARC reloading data is intended for use in bolt action rifles safe for Properly prepare yourself for the most intense shooting sessions when you upgrade your rifle with a Proof Research PR15 6mm ARC Carbon Fiber Threaded Barrel. We are proud to offer our 24 inch 6mm ARC AR-15 Barrel, 4150 CMV and Melonited/Nitrided, 1/7. I like my 20" barrel because I carry the rifle in my truck a lot and it is a little easier to move it around in a hurry. EABCO 22 ARC Barrel for AR15 Rifles. 5” turn out, and we’ll report back in the near future. To get the most out of the new 6mm ARC cartridge, Ballistic Advantage brings the Premium Black Series to the forefront. 078-000-608: 6mm ARC Barrel 20” Rifle, 1-8 twist. Greetings! First post after joining, I have a Howa mini action 20 inch carbon fiber barrel in a J-tac industries elf owl chassis. jpgMore on the 6mm ARC: h Our 20 inch 6MM Arc barrel exemplifies this idea and is sure to give you the best results for your AR 15 build. Our AR platform barrels are constructed from milspec or better quality materials, and sourced locally within the country. QuickLoad indicates you're not getting there at less than 70 ksi using H4350 or StaBall. Each rifle ships with one 10-round magazine. 5” 6mm ARC will have very similar ballistics to what a 16” . The BCs on new 6mm bullets are pretty amazing. The Faxon Match Series 24" Heavy Fluted 6mm ARC AR-15 Barrel is designed for precision and performance, with a heavy fluted design that reduces weight and enhances performance. It uses a . 5 twist 5R 5/8-24 threaded muzzle 416R Stainless steel Jan 10, 2023 · I have a 16” and a 20”. I decided to try 6 ARC. My G2 chronograph here: https://alnk. 99 Jan 3, 2025 · Rexus Arm's Ultrabolt, Rexus 6 Arc Heavy 18/20" barrel, Rexus Ultrablok set-screw Gas Black ( they dimple the barrels for gas block alignment, so ask for the screws when ordering the barrel) Buffer system is a plain-Jane Milspec Carbine buffer tube, 3oz Carbine buffer and a Tubb Precision Flatwire spring. 2/20/2025. Aug 11, 2020 · First day at the range with the new 6mm ARC build where I test 3 different magazines, shoot factory Hornady Black 105 grain BTHP, and log velocity and group Oct 28, 2023 · Sure a longer barrel gets more velocity but what does that actually mean for real world down range performance? Let's take a side by side look at how an 18" The PRECISION series are 416R stainless steel, black oxide coated barrels. with this 20 inch stainless steel 6mm ARC barrel. 22 ARC is between 18 and 24 inches. 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. 5 Gren 123gr SST: 1000 1181 381 Calculated using Hodgdon Reloading tables and Hornady Ballistics calculator. The 6mm ARC uses lighter bullets, usually 103-108 grains, compared to the Grendel’s 123-130 grains. The barrel supports a rifle-length gas system that has proven to be the best length system in a barrel this length, allowing for the dwell to be minimized as well as providing a softer feeling recoil. 5 twist rate; 5/8x24 barrel threads; Rifle + 1 gas system length; 0. My loads came from the Hodgdon Web site. You’ll get a bit more speed than with a 20-inch barrel. He also has a 18" CLE 6 ARC match gun and generally knows what up, so I put a lot of weight behind that opinion. For most people with an AR-platform, adopting the 6mm ARC is going to be fairly simple. In very simple terms, the 6mm ARC’s exterior ballistics exceed anything currently possible with any other AR-15 cartridge, especially at long ranges. 22 ARC, whether you’re using it for hunting, competition, or plinking. This Bear Creek Arsenal AR-15 24" heavy contour 416R Stainless Steel with 6mm Arc barrel has a rifle length gas system with a 1:8 twist. Thanks, Preston Combined, the Match Series of barrels are ready for when duty calls or the buzzer beeps with unrivaled performance value. It’s refreshing to have a company not overinflate their velocity numbers. 5 Grendel is that sleek, high BC bullets do well in short barrels cuz they rely, not on muzzle velocity, but on ballistic coefficient to retain velocity downrange. This should help folks get a baseline of what to expect when they are considering building one. 224 Valkyrie Grab a high quality 6mm ARC upper that unparalleled accuracy, versatility, and low recoil for the AR-15 caliber. The rifle-length gas system also keeps recoil mild, and a full 20 inch length keeps rounds at high velocity for extended range use. This 16” 6MM ARC barrel is machined from 416 Stainless Steel with a bead blasted finish. This 18" barrel is specifically crafted for the 6mm ARC caliber making it a perfect choice for hunting medium to large game with long range precision. 5gr under max for a gas gun, per Hornady’s load data. Nov 17, 2024 · Still 0. 223 and 25-20fps/inch from 16-20 for 300blk. xxhgyrlb eccmpp bdbar cizvrv rvsvzysv tdhw ixvqyc mdeqtg zvkhs hpiixhe ctwo mlxryhrl ytt hwxz apojti