To my knowledge, by the time of writing this article, no company has announced this cartridge yet. AR15.COM is the world’s largest firearm community and is a gathering place for firearm enthusiasts of all types. Strange, the Hodgdon load data for the 107 sierra HPBT has the twist rate at 1-14 but Sierra says you need a 1-7 to 1-8. While the 6.5mm Grendel was designed around .264-inch projectiles running from 95 to 144-grains, the cartridge is at its best with projectiles weighing from 107 to 123 grains. With Hornady's release of the 6mm ARC, its long range performance has been discussed. This new cartridge delivers less felt recoil than larger short-action-based cartridges, yet takes full advantage of modern, heavy-for-caliber 6mm bullets that provide excellent accuracy … The ARC also has less case taper than the Soviet case. The 6mm ARC utilizes the same bolt head size as the 6.5mm Grendel, and 6.5mm Grendel AR-magazines have also been used successfully with the 6mm ARC. Light and able to go the distance, Hornady's new 6mm ARC cartridge adds another arrow to the rifleman's quiver. It was a great long range target and could easily be used for hunting. The idea of a 6mm cartridge with a case capacity in the 27-30 gr range out of the AR-15 is a great idea with a ton of versatility. "At first I thought 6mm ARC just the 6mm AR put into production (Grendel necked down to 6mm), but the cartridge dimensions are all 1% to 2% smaller than the Grendel, with a slight body taper where the Grendel has none." All you need is a 6mm ARC … Click to share on Facebook (Opens in new window), Click to share on Twitter (Opens in new window), Click to share on Pinterest (Opens in new window), Click to email this to a friend (Opens in new window), Taurus Raging Hunter 460: Revolver Unveiled in Ultra Powerful .460 S&W, Walther PDP: New ‘Performance Duty Pistol’ Line Is Walther’s Best Yet, Forged Threadworks: Navy SEAL-Founded Clothing Company Gives Back, Sightmark Volta: A New Solar and Battery Powered Rifle Red Dot Sight, BRN 180: Why Brownells’ SHTF Uppers Are Making Waves for AR Owners, WATCH: Mat Best Talks Military, Post-Service Life, and Jobs for Veterans, WATCH: Coffee, Guns & More With Ballistic Cover Feature Mat Best, Snake Bite 101: The Effects of Venom & How To Treat a Snake Bite. I've built two 6MM grendel/243LBC AR's now and they are quite a bit more accurate than my 6.5 Grendels that I also have. Might do good in 600yd matches. While we have not yet made a decision about 6mm ARC we are quite familiar with the various 6mm cartridges that are designed to work through the AR-15 platform and the limitations and advantages of most of them. These are readily available and of known quality. [ARCHIVED THREAD] - 6mm Hagar vs. 6mm AR. I was an early adopter and chose it for my first AR as for me personally it was a great all-around job for me. The 6mm AR is a centerfire wildcat cartridge initially designed by Robert Whitley for long-range performance in an AR-15 rifle. Any use of this content without express written consent is prohibited. 6mm GPCC 108 8.5 2830 1600 -176.2 49.4 1920 614 450 6.5mm GPCC 130 10.5 2600 1450 -213 55.3 1951 607 501 M80 Ball 147gr 15.8 2800 1277 -215.2 72.8 2559 532 415 Our 6mm bullet easily beats both the 308 and 5.56 in Every Single Category except muzzle energy, where it only loses to the 308. Recently tested, selected and fielded by a specialized group within the U.S. Department of Defense for its multipurpose combat rifle program, the 6mm ARC is a truly versatile cartridge that maximizes the potential of the AR-15 platform.” If you have an AR-15 all you need to convert over is a new barrel, bolt head, and magazine. The 6mm ARC delivers substantially less recoil allowing shooters to spot their own shots. Range Report 6mm ARC vs 6 PPC vs 6 Grendel. The biggest differences between the 6mm PPC and the 6mm ARC are the shoulder angle (30° for 6mm PPC, and 40° for 6mm ARC), and the base-to-datum spec for the shoulder (6mm ARC is pushed back further). 223/5.56: The 6mm ARC achieves substantially better ballistics than … In the meantime, grab the 2020 edition on OutdoorGroupStore.com. Splendid. 6mm AR Turbo 40 Improved. GIVEAWAY: Win a Custom, James Bond-Inspired Walther PPK Pistol! AR-15’s) and kept to a maximum pressure of 52,000 psi. The ARC firing a 108-grain ELD-Match bullet with a .536 G1 ballistic coefficient at 2,750 fps muzzle velocity stays supersonic to 1,150 yards at sea level. Reviewing the ballistics comparison between the 6mm ARC and a few .308 loads, it is evident the smaller cartridge provides some advantages. Delivering a precision pill accurately more than a football field farther than a standard-issue .308 sniper round—what’s not to like? Subscribe to our monthly Newsletter to receive firearm news, product discounts from your favorite Industry Partners, and more. A casual observer might scratch his head as to why a military unit would want to field a .243 caliber battle rifle, but closer scrutiny clarifies reasoning. Is anyone else shooting a 6G? A-15 M 6mm ARC Complete Upper. According to their press release, this cartridge has been adopted by a “specialized group” within the U.S. DoD. A rifle like the CMMG RESOLUTE 6mm ARC rifle, which combines a rifle length gas system with a 16” barrel will soften recoil even further making it an ideal hunting rifle for smaller shooters. The .224 AR is similar to the 6mm AR, except that it is set up to shoot the widely available .224 diameter bullets. The big thing with these is when you push them hard velocity-wise, bolts have been known to break. Hornady is on the front edge of ammo innovation. Could be a sweet coyote/deer round for hunting. I'm way out of the loop on Grendel stuff. The 6mm ARC can also be a suitable chambering for shorter "mini-action" bolt action rifles. The new 6mm ARC is basically a 6.5 Grendel necked down to 6mm, with the shoulder moved back around .030″. A protest or riot breaking out in today's world isn't uncommon, so we turned... by Waysun Johnny Tsai / I also got some trigger time with the hot new cartridge. I am thing about building a 24" 6mm ARC Upper using a Colt Upper. This table really shows the difference between the 6.5 Grendel and the 6mm ARC. Once the build is done I'll post up some photos as well as load development data. Hornady’s new ultra-efficient, AR-15-compatible 6mm Advanced Rifle Cartridge (ARC) just might be the ultimate do-all, low-recoiling cartridge for sportsmen and target shooters alike. which is about 6.5 gr more capacity than a .223 Rem. : 2.085" G1 B.C. The 6mm ARC’s parent case is the 6.5 Grendel, which takes its lineage from the .220 Russian and 7.62mm Soviet. While the 6.5mm Grendel was designed around .264-inch projectiles running from 95 to 144-grains, the cartridge is at its best with projectiles weighing from 107 to 123 grains. When I got to Wyoming, Emery was a lot more forthcoming about the 6mm ARC than he had been during our conversation at SHOT Show 2020. 6mm ARC is so new that as of the writing of this article, published load data did not exist! And that’s the subject of this article: chronicling my first loads (I did not have factory ammunition to test) and … I installed an adjustable gas block and a new Faxon bolt, and got him all tuned up and back in action. Guide to 6mm Grendel 6mmAR for AR15 match shooters. I know there were some issues a long time ago but I assume there has to be a few solid options now. Hornady 6mm ARC Details. Designed for the AR-15 platform, it redefines long-range capability in a small-frame semi-automatic rifle system. The cartridge has a water capacity of 36 gr. While doing a research for another article, I visited the New Cartridge & Chamber Drawings page of SAAMI website and bumped into a new SAAMI accepted cartridge called 6mm Advanced Rifle Cartridge (6mm ARC). Tuesday, 18 rifle manufacturers signed on to build 6mm ARC rifles. AR15.Com reserves the right to overwrite or replace any affiliate, commercial, or monetizable links, posted by users, with our own. It will push 105gr bullets around 2700-2750fps in gas gun and probably faster in bolt gun. Launching a 6mm ARC from a weapon platform that weighs a third less? Sell tons of ammo and barrels at my shop. Newer 9130 steel is … Sorry, your blog cannot share posts by email. They run neck to neck to about the 600 yard line, where the 6mm ARC starts to pull away. AR-15 AK-47 Handgun Precision Rifles Armory Training Competitive Shooting General Outdoors Archery Hometown Industry. I hadn't seen this posted here yet, but SAAMI added a 6mm Grendel derivative called the 6mm Advanced Rifle Cartridge or 6mm ARC to their newly accepted cartridges list. It delivers less drop, less wind deflection and the ability to shoot accurate groups at much greater distance (1000+ yds). I am a super 6.5 G fan. 6mmBR.com is the best guide for 6mm Benchrest precision shooting, complete with 6BR FAQ, Reloading Data, Shooter Message Boards. The 6mm ARC utilizes the same bolt head size as the 6.5mm Grendel, and 6.5mm Grendel AR-magazines have also been used successfully with the 6mm ARC. The barrel will be heavy and must be threaded so I can mount my OSS 762 Ti suppressor. Each Aero Precision 6mm ARC Complete Upper Receiver features a M4E1 Receiver with Atlas R-One 15 Inch Handgaurd. Since Hornady was the first ammo maker to get behind the 6.5 Grendel in a big way, it was an easy transition to the new round. Starting to see where this is going? The 6mm ARC is unique among rifle cartridges in that it fits in an AR-15-pattern action, functions reliably out of standard-capacity 24- or 17-round magazines, and remains supersonic beyond 1,000 yards in a standard atmosphere. V-MAX® Item No. During the hours we spent together when the dogs weren’t cooperating, I learned that a yet unrevealed DoD entity adopted the 6mm ARC for combat operations as a replacement for the 7.62x51mm NATO, (.308 Winchester in civilian terms). Compared to all of them, the 6mm option has 3 feet less drop. Hornady Sub X: Subsonic Expanding Ammo Goes .30-30, 9mm, and More. Other 175- to 178-grain .308 bullets go subsonic at shorter ranges. I wonder how this 6 mm ARC compares with that round. "At first I thought 6mm ARC just the 6mm AR put into production (Grendel necked down to 6mm), but the cartridge dimensions are all 1% to 2% smaller than the Grendel, with a slight body taper where the Grendel has none." This 6mm ARC reloading data is intended for use in gas guns (e.g. The 6mm ARC delivers substantially less recoil allowing shooters to spot their own shots. Case slightly shortened and shoulder moved back to make it compatible with low-drag bullets, even out of an AR-15. I broke a couple Grendel AA factory bolts and had a buddy that broke a JP supplied bolt. By the numbers, the 6mm ARC case head measures 0.440, just 0.005 smaller than a 7.63×39 case. This 6mm ARC reloading data is intended for use in gas guns (e.g. Hornady’s recent release of the 6mm ARC is promising to change that and deliver a cartridge that can easily reach 1,000 yards while still functioning in an AR-15. Deviating from Soviet design, the ARC takes on a 30-degree shoulder angle; this is common with other American cartridges, like 6.5 Creedmoor. Since I woke up this morning, at least one more has joined the race. The 6mm AR is a necked down 6.5 Grendel, or 264lbc, case to 6mm using 6mm PPC dies set 0.070 off the shell holder. AR-15’s) and kept to a maximum pressure of 52,000 psi. The 6mm ARC achieves substantially better ballistics than the 223/5.56. The comparison between the 6.5 creed and 6.5 Grendel isn’t apt for the 6.5 Grendel vs. 6mm ARC and other 6mm Grendel variants. At the time there was no "mainstream" 6mm AR cartridge and 6.5 Grendel seemed to be the best choice. : 0.250 It is claimed by its maker to be capable of driving a 6.5 g (100 gr) or heavier grain projectile at 880 m/s (2,900 ft/s) (satisfying the "6mm Optimum"). If you compare the best performing 6 mm ARC and 6.5 Grendel loads, the 6 mm ARC bullet will arrive at 1,200 yards almost a full quarter-second before the 6.5 Grendel bullet gets there. 6.8 SPC. Already adopted by a DoD entity, the all-new Hornady 6mm ARC (Advanced Rifle Cartridge) brings serious flexibility to an AR-15 cartridge. There is no mention which group is using the cartridge but you can probably guess… Read More »6mm ARC vs 6.5 Grendel: Crunching the Numbers My 243lbc barrel was just finished and should be here next week. Next … Since Hornady was the first ammo maker to get behind the 6.5 Grendel in a big way, it was an easy transition to the new round. The 6mm ARC delivers comparable performance from a wider assortment of bullets, making it a more versatile choice. Distance is the forte of the 6 mm ARC.If you’re committed to the AR-15, once the range extends much past 500 yards, there’s currently no better option. Midsouth is proud to help Hornady announce "The bridge between the large cartridge and the small cartridge" - the 6mm ARC. Jun 1, 2020, Stay in the know with the latest from the Ballistic newsletter, HEX Optics: Springfield Launches Its Own Optics Brand, 2 Red Dots, MRAD SMR: Barrett Cuts Back on Features, MSRP With New Rifle, WATCH: KelTec KSG Makes Appearance in New ‘Mortal Kombat’ Trailer, WATCH: Savage, PROOF Research Team for 110 Ultralite Rifle, You use of this website constitutes and manifests your acceptance of our. … 223/5.56 The 6mm ARC achieves substantially better ballistics than the 223/5.56. Mag. About AR15.COM. I believe that the 6mm Predator is the same as the 6mmAR. As an offspring of the Soviet 7.62×39, the 6mm ARC gets some of the shared battlefield cred, too. I know the 6PPC rules and the 6mmAR is made for AR style rifles but has anyone tried the 6mmAR in a benchrest style bolt gun? The AR-15 platform features a higher magazine capacity. Do not exceed the maximum charges. I shoot more reloads than factory ammo, but it is nice to have the option of buying off the shelf. The case length of 1.49″ results in a lot of bullet space (.77″ or 3.16 calibers) which will allow loading projectiles with very long ogives and great external ballistic performance. I'm curious if Hornady is behind the standardization of this cartridge, the name seems to fit the current convention (PRC vs ARC), and the published velocity utilized a 108gr bullet as opposed to 105gr or 110gr. I keep watching the mail box for a sharp new JGS Precision Tool 6mm ARC chamber reamer so I can build a new rifle. Match calendar and rifle competition accuracy training tips. The 6mm ARC is so close to the 6mm Grendel(wildcat) which is commonly referred to as the 6mm AR(Robert Whitley’s wildcat, the 30 degree not the 40 degree version) it just has a slight decrease in diameter at the start of the shoulder of 0.0008 and the shoulder is bumped back 0.0249 and the length trimmed 0.027. 58 GRAIN BULLETS SECTIONAL DENSITY: 0.140 DIAMETER: 0.243" 58 gr. The 6mm ARC has more match bullet options and is a better long-range performer. I absolutely love the 6.5 Grendel. We're talkin' 6mm AR, .243 LBC, 6mm Grendel, etc. [ARCHIVED THREAD] - New 6mm AR cartridge: 6mm ARC, https://thumbs.gfycat.com/AdmiredFailingAnemonecrab-size_restricted.gif, http://6mmar.com/images/6mmarturbox300__1_s2ts.jpg, http://6mmar.com/images/turbo_40_vs_6mmar__1.jpg. Once things calm down, I'll have one of these. For purposes of clarity, I consent to Athlon's collection, storage, processing, and transfer of my Personal Data and Non-Personal Data (as defined in the Privacy Policy) for the purpose of signing up for the email newsletter. Said he had a couple thousand rounds on the gun, all suppressed. AR-15. This is "6mm ARC vs. 6.8 SPC" by Hornady Manufacturing on Vimeo, the home for high quality videos and the people who love them. Description. As an offspring of the Soviet 7.62×39, the 6mm ARC gets some of the shared battlefield cred, too. 223/5.56. Expect more on the 6mm ARC in the upcoming 2021 edition of our sister publication, Tactical Life’s Complete Reloading magazine. Once compared to other similar calibers, you truly see the advantage the 6mm ARC delivers. It should not be confused with Hornady‘s 6mm ARC. ), 6x47 (6mm-222 Rem. I have read the Terms of Use, Privacy Policy, and Cookie Policy, and I hereby agree to those terms. The better velocity of good 6mm's beats the slower, but good wind drift of 6.5's. These are readily available and of known quality. Each Stainless Steel Barrel is precision machined by Ballistic Advantage, with a 1-7 twist and a bead blast finish, and in the case of the 18 inch model an optional black nitride finish. I Don’t remember h name brand of the gun, but it was a factory Grendel. Meet The New Kid On The Block Hornady just announced the arrival of the 6mm Advanced Rifle Cartridge a few days ago. AR-15 AK-47 Handgun Precision Rifles Armory Training Competitive Shooting General Outdoors Archery Hometown Industry. The AR-15 platform features a higher magazine capacity. Ever heard the phrase “ounces make pounds, and pounds make pain”? This variant uses an Ackley Improved fire formed case with less tapering and a 40-degree higher shoulder permitting a larger powder capacity. Review: Hornady 6mm ARC By parkercountyblog on October 29, 2020 Accuracy-wise, the CMMG consistently shot sub-1″ groups at 100 yds. I think the case would benefit from a lighter bullet while keeping high BC, so I hope this catches on. The 6mm ARC starts out a little hotter than the .308 but surprisingly maintains its speed above the heavier cartridge out to a thousand yards. I hope it comes with a 24+ round magazine that works. A loaded round’s overall length is 2.26 inches; this fits nicely within a STANAG AR-15 magazine and runs flawlessly with a 6.5 Grendel follower installed. ARCHIVED; AR-15 » AR Variants. Always wondered why they didn’t just do a 6mm Grendel. Hornady 6mm ARC brass looks to be of good quality, is fairly consistent and should give you a number of reloads as long as don’t lose them, or are pushing for maximum velocity. Its release as a commercial round was presaged by a number of successful 6mm wildcats like the 6mm AR … Some of the benefits of the ARC case design is that its non-rebated rim feeds well in detachable and internal box magazines. Trajectory. While we have not yet made a decision about 6mm ARC we are quite familiar with the various 6mm cartridges that are designed to work through the AR-15 platform and the limitations and advantages of most of them. So here's the rub - the 6mm ARC is essentially very close to a 6mmAR, but the 6mm ARC gives up 2 gr of water capacity to the 6mmAR (6mm ARC has a 34 gr water capacity vs 6mmAR that is 36 gr of water capacity) and this occurs because the body of the 6mm ARC case is about .027" shorter than the 6mmAR, and the overall case length is .030" shorter. Based on what I'm reading. Hornady says the 6mm ARC “delivers substantially better ballistics than the [.223 Rem] and offers a much lighter gun/ammo system with 30% less weight than the AR-10/308 Win system. V-MAX® Item No. SEE ALSO: Barret Firearms Awarded DOD Contract for REC7 Rifles in 6mm ARC Currently, the most popular selling long-range cartridge in America is Hornady’s 6.5 Creedmoor. Riot Survival: 4 Experts Discuss Tips to Safely Get Out of a Riot Zone. It is also very easy to assemble an upper to accept the 6mm ARC and you can use an AR-15 lower that you already have laying around in your safe. https://www.ammoland.com/2020/06/6mm-arc-round-to-little-to-late As a follow-up exercise, I plan to use QuickDesign software to create a more accurate model for the 6mm ARC. Here's my question, in the spirit of the upcoming deer season, if you could only choose between 6.5 Grendel and 6mm ARC to hunt with for the entire season, which caliber would you choose? The barrel vendor who is "not to be mentioned on this site" has offered a 6 mm Grendel Wildcat for a while. The .224 AR also has a case length that makes it ideal for shooting the larger .224 bullets (75 - 90 gr) loaded at magazine length. The 6mm ARC offers a 30 to 35% lighter-weight package (gun and ammo). The 6mm ARC will need wide spread use to prove its potential as an effective long range round (500 meters). The Hornady 6mm ARC is fairly small rifle cartridge and doesn’t require a great deal of leverage to resize, so you don’t have to fuss when it comes to a reloading press. With Hornady's release of the 6mm ARC, its long range performance has been discussed. 22411 C.O.L. I'll give a few parameters, in that, barrel has to be more of a typical AR barrel length … Same neck length as the AR, same shoulder angle, just .029-.030 further back on the headspace. for the first three shots, but if I fired quickly, it would begin stringing the fourth and fifth shots vertically so that five-shot groups stretched to 1.6″. Distance is the forte of the 6 mm ARC.If you’re committed to the AR-15, once the range extends much past 500 yards, there’s currently no better option. The various 6mm cartridges have been based on a multitude of case sizes, including (from left) 6mm-221 Fireball, 6mm-222 Rem., 6x45 (6mm-223 Rem. Carrying more ammo to the fight in the same loadout? Custom dies are available but not very cost effective. Benefits for the 6mm AR = Velocity, case capacity, freebore Benefits for the 6ppc = longer neck, a wealth of published load data, possible slightly longer barrel life, factory ammo. This decision won't be easy! : 2.085" G1 B.C. Based on those velocities and a .536 G1 BC the 6mm ARC should equal or slightly outperform the .308 Winchester with the same length barrel to beyond 1,000 yards in both drop and wind drift. As they have the same casehead diameter the 6mm ARC utilizes the same AR-15 bolt as the 6.5mm Grendel. This is "6mm ARC: AR-15 vs AR-10" by Hornady Manufacturing on Vimeo, the home for high quality videos and the people who love them. All Rights Reserved. You would still be able to fire the ARC from the 6mm AR setup. [ARCHIVED THREAD] - 6mm Hagar vs. 6mm AR. The idea of a 6mm cartridge with a case capacity in the 27-30 gr range out of the AR-15 is a great idea with a ton of versatility. Here's my question, in the spirit of the upcoming deer season, if you could only choose between 6.5 Grendel and 6mm ARC to hunt with for the entire season, which caliber would you choose? ARCHIVED; AR-15 » AR Variants. the arc is only .030 shorter at the shoulder then the lbc/grendel case, it wouldn't surprise me if you cant take arc cases and fireform and blow them forward like a ackley improved or 6mm ar turbo and use them in the Lbc. 22411 C.O.L. When I first wanted an AR variant I picked my ideal bullet weight and 6mm seemed to be perfect. AR15.COM is the world’s largest firearm community and is a gathering place for firearm enthusiasts of all types. We are told that in comparison to 224V “the 6mm ARC gives hunters the ability to successfully hunt varmints and deer” and “the 6mm ARC produces a larger splash signature that allows shooters to self-spot impacts and make rapid adjustments.” : 0.250 Gear reviews (.243 bullets, 6mm Norma, gun barrels, … I won't give up my 6.5 Creedmoor as my long range go to, but I sure would appreciate a slightly more economical alternative (not that the Creedmoor is a bank breaker) with reasonable windage performance at distance. CMMG has that AR … It is the Lapua 6.5 Grendel necked down to 6mm. It was snowing sideways when this writer broke his first shot with the new Hornady 6mm ARC (Advanced Rifle Cartridge). How The 6mm ARC Goes The Distance: Essentially a 6.5 Grendle case necked down to accept 6mm bullets. I had a customer come in last week with two lugs broken off of his Grendel bolt. In an AR-15 or a small bolt action, both the 6.5 Grendel and the new 6mm ARC make outstanding big game cartridges for a child, with low recoil even when chambered in the lightest of rifles. The 6mm ARC offers a 30 to 35% lighter-weight package (gun and ammo). As a bonus, whereas a typical AR-10 mag could only accommodate 20 rounds of .308/7.62 NATO, the same size magazine could accept 24-25 rounds of 6mm ARC. I have a Spikes AR lower I built many years ago and it needs an Upper. Fired from the same length 24-inch barrel, a .308 178-grain boat-tail hollow-point with comparable BC and a muzzle velocity of 2,600 fps goes subsonic just beyond 1,000 yards. Early testing indicates a 1:7.5 inches twist rate is ideal for stabilizing long bullets in the 6mm ARC. As they have the same casehead diameter the 6mm ARC utilizes the same AR-15 bolt as the 6.5mm Grendel. In an AR-15 or a small bolt action, both the 6.5 Grendel and the new 6mm ARC make outstanding big game cartridges for a child, with low recoil even when chambered in the lightest of rifles. Sale. 6mmAR upper with 2750 fps Berger bullet and .566 Ballistic Coefficient. Call me in 3-5 years, if it's a hit I'll buy. Do not exceed the maximum charges. It uses the same design method as the 6.5 Creedmoor; this results in excellent and consistent accuracy from one gun to another and load to load. Separate data will be provided for bolt action firearms. The 6mm ARC is basically the 6.5 Grendel necked down to hold a .243” bullet with the 30-degree shoulder pushed back a smidgen. From hunters and military members, to competition shooters and general firearm enthusiasts, we welcome anyone who values and respects the way of the firearm. A-15 M 6mm ARC Complete Upper. Wonder what an 80 tsx or a 55bt will do out of it? I'll give a few parameters, in that, barrel has to be more of a typical AR barrel length … How are the bolts holding up long term? The 6mm ARC (Advanced Rifle Cartridge) Hornady Announces - The 6mm ARC (Advanced Rifle Cartridge) 308 Performance in an AR-15 Package. Now we’re talkin’. 58 GRAIN BULLETS SECTIONAL DENSITY: 0.140 DIAMETER: 0.243" 58 gr. Hornady states: “Hornady® is proud to introduce the new 6mm ARC (Advanced Rifle Cartridge). Hornady’s Neal Emery invited me to Wyoming in February to help a local rancher with an ongoing coyote problem. You would still be able to fire the ARC from the 6mm AR setup. About AR15.COM. ), and 6mm-204.is the 6mm ARC, which Hornady just introduced. The 6.5 Creed pushes a 140 with a BC of .618G1 about 200fps faster than the 6.5 Grendel pushes the 123’s, again, with a .506G1. Hornady announced the launch of its new 6mm ARC cartridge in June 2020, giving AR-15 owners a new round that provides enhanced capabilities. The maximum cartridge overall length of 2.26″ (57.4mm) is identical to the max COAL of .223 Remington which means 6mm ARC is designed to be an AR cartridge. Copyright © 1996-2021 AR15.COM LLC. That pushed-back shoulder does reduce case capacity (and velocity), but we assume Hornady did that to create a shorter, proprietary chamber so people could not simply neck-down Lapua 6.5 Grendel brass, as has been done for years with Robert Whitley’s outstanding 6mm AR … The 6mm ARC’s parent case is the 6.5 Grendel, which takes its lineage from the .220 Russian and 7.62mm Soviet. School me on the advantages of shooting these 100gr long flechette dart-type 6mm bullets out of carbine barrels inside 200/300 yds. For an ordinary AR-15 chambered for the .223 Rem/5.56mm NATO, a new barrel, magazine and bolt are required to convert to the 6mm ARC. The 6mm ARC offers a 30 to 35% lighter-weight package (gun and ammo). I have a 20" Bull barrel and a 24" bull barrel rigs. AR15.COM is the world’s largest firearm community and is a gathering place for firearm enthusiasts of all types. The Hornady 6mm ARC cartridge released back in June, to much fanfare, and for good reason. The cartridge and chamber, by Hornady’s own admission, was designed concurrently. The 6mm ARC can also be a suitable chambering for shorter "mini-action" bolt action rifles. Post was not sent - check your email addresses! Separate data will be provided for bolt action firearms.
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