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. 6mmBR.com is the best guide for 6mm Benchrest precision shooting, complete with 6BR FAQ, Reloading Data, Shooter Message Boards. I'm way out of the loop on Grendel stuff. Guide to 6mm Grendel 6mmAR for AR15 match shooters. The barrel vendor who is "not to be mentioned on this site" has offered a 6 mm Grendel Wildcat for a while. AR15.COM is the world’s largest firearm community and is a gathering place for firearm enthusiasts of all types. As they have the same casehead diameter the 6mm ARC utilizes the same AR-15 bolt as the 6.5mm Grendel. The cartridge has a water capacity of 36 gr. And that’s the subject of this article: chronicling my first loads (I did not have factory ammunition to test) and … All Rights Reserved. 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.” 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. I wonder how this 6 mm ARC compares with that round. I shoot more reloads than factory ammo, but it is nice to have the option of buying off the shelf. 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. 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. Hornady 6mm ARC Details. 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. … Based on what I'm reading. ), 6x47 (6mm-222 Rem. 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. Said he had a couple thousand rounds on the gun, all suppressed. We're talkin' 6mm AR, .243 LBC, 6mm Grendel, etc. 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. By the numbers, the 6mm ARC case head measures 0.440, just 0.005 smaller than a 7.63×39 case. I think the case would benefit from a lighter bullet while keeping high BC, so I hope this catches on. 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. Its release as a commercial round was presaged by a number of successful 6mm wildcats like the 6mm AR … The shoulder on the 6mm ARC is moved back a bit from the 6mmAR (I'm guessing so 108gr ELDs will fit perfectly at mag length), so the ARC will have a bit less capacity and be a little slower. 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. This 6mm ARC reloading data is intended for use in gas guns (e.g. From hunters and military members, to competition shooters and general firearm enthusiasts, we welcome anyone who values and respects the way of the firearm. : 2.085" G1 B.C. Sell tons of ammo and barrels at my shop. Compared to all of them, the 6mm option has 3 feet less drop. 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. 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. 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 … 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). A-15 M 6mm ARC Complete Upper. Range Report 6mm ARC vs 6 PPC vs 6 Grendel. With Hornady's release of the 6mm ARC, its long range performance has been discussed. For more information, please visit Hornady.com. This variant uses an Ackley Improved fire formed case with less tapering and a 40-degree higher shoulder permitting a larger powder capacity. The 6mm ARC will need wide spread use to prove its potential as an effective long range round (500 meters). Other 175- to 178-grain .308 bullets go subsonic at shorter ranges. 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. To my knowledge, by the time of writing this article, no company has announced this cartridge yet. The 6mm ARC delivers comparable performance from a wider assortment of bullets, making it a more versatile choice. It should not be confused with Hornady‘s 6mm ARC. 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. These are readily available and of known quality. AR-15. AR-15 AK-47 Handgun Precision Rifles Armory Training Competitive Shooting General Outdoors Archery Hometown Industry. 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. Hornady is on the front edge of ammo innovation. I installed an adjustable gas block and a new Faxon bolt, and got him all tuned up and back in action. Custom dies are available but not very cost effective. If you have an AR-15 all you need to convert over is a new barrel, bolt head, and magazine. 223/5.56: The 6mm ARC achieves substantially better ballistics than … Riot Survival: 4 Experts Discuss Tips to Safely Get Out of a Riot Zone. School me on the advantages of shooting these 100gr long flechette dart-type 6mm bullets out of carbine barrels inside 200/300 yds. I am thing about building a 24" 6mm ARC Upper using a Colt Upper. Gear reviews (.243 bullets, 6mm Norma, gun barrels, … Separate data will be provided for bolt action firearms. 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. The AR-15 platform features a higher magazine capacity. I have a 20" Bull barrel and a 24" bull barrel rigs. 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. Trajectory. I keep watching the mail box for a sharp new JGS Precision Tool 6mm ARC chamber reamer so I can build a new rifle. Call me in 3-5 years, if it's a hit I'll buy. Launching a 6mm ARC from a weapon platform that weighs a third less? 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. 6mm AR Turbo 40 Improved. 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. GIVEAWAY: Win a Custom, James Bond-Inspired Walther PPK Pistol! Now we’re talkin’. 223/5.56. Might do good in 600yd matches. 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 6mm ARC is basically the 6.5 Grendel necked down to hold a .243” bullet with the 30-degree shoulder pushed back a smidgen. 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 … I Don’t remember h name brand of the gun, but it was a factory Grendel. I had a customer come in last week with two lugs broken off of his Grendel bolt. I also got some trigger time with the hot new cartridge. 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.” You would still be able to fire the ARC from the 6mm AR setup. Separate data will be provided for bolt action firearms. Deviating from Soviet design, the ARC takes on a 30-degree shoulder angle; this is common with other American cartridges, like 6.5 Creedmoor. Tuesday, 18 rifle manufacturers signed on to build 6mm ARC rifles. 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. Hornady announced the launch of its new 6mm ARC cartridge in June 2020, giving AR-15 owners a new round that provides enhanced capabilities. Newer 9130 steel is … My 243lbc barrel was just finished and should be here next week. : 0.250 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. I am a super 6.5 G fan. The cartridge and chamber, by Hornady’s own admission, was designed concurrently. I hope it comes with a 24+ round magazine that works. I absolutely love the 6.5 Grendel. 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. 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. How are the bolts holding up long term? The 6mm ARC offers a 30 to 35% lighter-weight package (gun and ammo). 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. AR15.COM is the world’s largest firearm community and is a gathering place for firearm enthusiasts of all types. 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″. "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." Wonder what an 80 tsx or a 55bt will do out of it? Description. Midsouth is proud to help Hornady announce "The bridge between the large cartridge and the small cartridge" - the 6mm ARC. Splendid. Light and able to go the distance, Hornady's new 6mm ARC cartridge adds another arrow to the rifleman's quiver. 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? How The 6mm ARC Goes The Distance: Essentially a 6.5 Grendle case necked down to accept 6mm bullets. 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. The 6mm ARC’s parent case is the 6.5 Grendel, which takes its lineage from the .220 Russian and 7.62mm Soviet. The 6mm ARC can also be a suitable chambering for shorter "mini-action" bolt action rifles. 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. 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. The better velocity of good 6mm's beats the slower, but good wind drift of 6.5's. The 6mm ARC delivers substantially less recoil allowing shooters to spot their own shots. Since I woke up this morning, at least one more has joined the race. Once the build is done I'll post up some photos as well as load development data. 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. Post was not sent - check your email addresses! 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. A-15 M 6mm ARC Complete Upper. 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. The big thing with these is when you push them hard velocity-wise, bolts have been known to break. Early testing indicates a 1:7.5 inches twist rate is ideal for stabilizing long bullets in the 6mm ARC. The ARC fits right between PPC and AR. Mag. Hornady states: “Hornady® is proud to introduce the new 6mm ARC (Advanced Rifle Cartridge). The 6mm ARC can also be a suitable chambering for shorter "mini-action" bolt action rifles. Hornady Sub X: Subsonic Expanding Ammo Goes .30-30, 9mm, and More. It delivers less drop, less wind deflection and the ability to shoot accurate groups at much greater distance (1000+ yds). The barrel will be heavy and must be threaded so I can mount my OSS 762 Ti suppressor. 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. They run neck to neck to about the 600 yard line, where the 6mm ARC starts to pull away. I have a Spikes AR lower I built many years ago and it needs an Upper. AR-15 AK-47 Handgun Precision Rifles Armory Training Competitive Shooting General Outdoors Archery Hometown Industry. ARCHIVED; AR-15 » AR Variants. Any use of this content without express written consent is prohibited. Ever heard the phrase “ounces make pounds, and pounds make pain”? Once compared to other similar calibers, you truly see the advantage the 6mm ARC delivers. 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. 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. When I first wanted an AR variant I picked my ideal bullet weight and 6mm seemed to be perfect. Do not exceed the maximum charges. About AR15.COM. The 6mm ARC offers a 30 to 35% lighter-weight package (gun and ammo). Next … AR15.COM is the world’s largest firearm community and is a gathering place for firearm enthusiasts of all types. I'll give a few parameters, in that, barrel has to be more of a typical AR barrel length … Meet The New Kid On The Block Hornady just announced the arrival of the 6mm Advanced Rifle Cartridge a few days ago. The 6mm ARC offers a 30 to 35% lighter-weight package (gun and ammo). According to their press release, this cartridge has been adopted by a “specialized group” within the U.S. DoD. Is anyone else shooting a 6G? About AR15.COM. 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. 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. The 6mm ARC delivers substantially less recoil allowing shooters to spot their own shots. 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. 6.8 SPC. : 2.085" G1 B.C. I have read the Terms of Use, Privacy Policy, and Cookie Policy, and I hereby agree to those terms. 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. Do not exceed the maximum charges. 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. [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. 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. 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. 58 GRAIN BULLETS SECTIONAL DENSITY: 0.140 DIAMETER: 0.243" 58 gr. 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. 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. 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). AR15.Com reserves the right to overwrite or replace any affiliate, commercial, or monetizable links, posted by users, with our own. I broke a couple Grendel AA factory bolts and had a buddy that broke a JP supplied bolt. Already adopted by a DoD entity, the all-new Hornady 6mm ARC (Advanced Rifle Cartridge) brings serious flexibility to an AR-15 cartridge. Case slightly shortened and shoulder moved back to make it compatible with low-drag bullets, even out of an AR-15. 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. You would still be able to fire the ARC from the 6mm AR setup. This table really shows the difference between the 6.5 Grendel and the 6mm ARC. At the time there was no "mainstream" 6mm AR cartridge and 6.5 Grendel seemed to be the best choice. 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"). I know there were some issues a long time ago but I assume there has to be a few solid options now. 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). Carrying more ammo to the fight in the same loadout? The 6mm ARC (Advanced Rifle Cartridge) Hornady Announces - The 6mm ARC (Advanced Rifle Cartridge) 308 Performance in an AR-15 Package. Always wondered why they didn’t just do a 6mm Grendel. Review: Hornady 6mm ARC By parkercountyblog on October 29, 2020 Accuracy-wise, the CMMG consistently shot sub-1″ groups at 100 yds. V-MAX® Item No. : 0.250 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? 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? CMMG has that AR … 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. https://www.ammoland.com/2020/06/6mm-arc-round-to-little-to-late 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. [ARCHIVED THREAD] - 6mm Hagar vs. 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. Once things calm down, I'll have one of these. AR-15’s) and kept to a maximum pressure of 52,000 psi. V-MAX® Item No. 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. Designed for the AR-15 platform, it redefines long-range capability in a small-frame semi-automatic rifle system. It was a great long range target and could easily be used for hunting. I'll give a few parameters, in that, barrel has to be more of a typical AR barrel length … Some of the benefits of the ARC case design is that its non-rebated rim feeds well in detachable and internal box magazines. As they have the same casehead diameter the 6mm ARC utilizes the same AR-15 bolt as the 6.5mm Grendel. 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. 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. As a follow-up exercise, I plan to use QuickDesign software to create a more accurate model for the 6mm ARC. "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." It is the Lapua 6.5 Grendel necked down to 6mm. 58 GRAIN BULLETS SECTIONAL DENSITY: 0.140 DIAMETER: 0.243" 58 gr. The Hornady 6mm ARC cartridge released back in June, to much fanfare, and for good reason.
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