Now, take the 6.5 Grendel case, neck it to 6mm, give firearms fast rifling to handle long-for-caliber bullets weighing from 103 to 115 grains, including ballistic coefficients (BC) equaling those 6.5 projectiles, and you have Hornadys spanking-new 6mm Advanced Rifle Cartridge, or ARC. The Answer: 6mm Advanced Rifle Cartridge. Since no case is complete without its proper toppings, we move to bullet selection. SP = Small Pistol . brass weight? The new 6mm ARC is basically a 6.5 Grendel necked down to 6mm, with the shoulder moved back around .030. With the release in 2020, Hornady also launched three factory loads with 103,105 and 108gr (6.7,6.8 and 7.0g) bullet weights and advertised G1 ballistic coefficients of .512, .530 and .536 respectively.[6]. : 2.085"G1 B.C. 6mm ARC: AR-15 vs AR-10 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. The 6mm ARC does what much larger cartridges can and everything that smaller cartridges can't. It delivers substantially better ballistics than the 223 and offers a much lighter gun/ammo system with 30% less weight than the AR-10/308 Win system. The #41s have a harder cup and are very popular for reloaders who shoot primarily out of an AR15 platform. Fits Short/Mini action bolt rifles This particular bullet is especially popular and versatile and comes in boxes of 100 or 500. Some Berger bullets require a very fast one turn in 7 inches twist rate. Velocities were established from a 24-inch barrel. 58 GRAIN BULLETS SECTIONAL DENSITY: DIAMETER: 0.243" 58 gr. EkD>7#q4(BBFh47Nh1nF+ZB4. Contemplating a trip to Texas with Trijicon representatives, and wanting to conduct in-field testing with the AR on deer and hogs, I turned to Hornadys 103-grain ELD-X. More brass and ammo should arrive soon. The 6mm ARC produces a larger splash signature that allows shooters to self-spot impacts and make rapid adjustments. Alliant's Reloader 15 would be another good option to consider. 7 mm Remington SAUM (Short Action Ultra Magnum) Lee - 5 . I counted thirteen options in their BT Target, Classic Hunter, VLD, VLD Hunting, VLD Target, Hybrid Target and Long Range Hybrid Target lines. We also read a report that said for one manufacturer, theyre identical to the regular small rifle primers. Now I either use #41 primers, or, more frequently, I just load all my .6mm ARC and 6mm ARC brass to .6mm ARC load levels. Well, the short answer is that those cartridges are a pain in the ass. All handloads tested averaged 1.30 inches, Hornady Black 105 BTHP factory ammunition 2.35 inches and Hornady Match 108 ELD Match 1.05 inches. 3 shots touching and a couple wild ones. Springfield Armory Hellcat Pro CCW Pistol Review. They have 10 solid options ranging in weight from 90 to 110 grains. Do You Need a 9mm? The 6mm ARC cartridge is a new SAAMI-spec cartridge based on the 6.5 Grendel case necked down for 6mm bullets, with the shoulder moved back 0.030. Only one way to find out! 6mm ARC | Handloader Magazine I plan on doing a build when parts come available. | all4shooters, Hornady's NEW 6mm ARC & Odin Work's Barrels - www.gunsamerica.com, gununiversity.com | 6mm ARC Released / Hands-On Testing and Comparisons, by Ryan Cleckner 3 June 2020, https://en.wikipedia.org/w/index.php?title=6mm_ARC&oldid=1150232539, Articles with unsourced statements from July 2020, Articles with unsourced statements from September 2021, Creative Commons Attribution-ShareAlike License 3.0, This page was last edited on 17 April 2023, at 00:57. The two rifles used to test the new 6mm ARC cartridge included a CMMG Endeavor AR-15 (left) and a Masterpiece Arms Matrix Chassis bolt-action rifle. It delivers substantially better ballistics than the 223 and offers a much lighter gun/ammo system with 30% less weight than the AR-10/308 Win system. Deviating from Soviet design, the ARC takes on a 30-degree shoulder angle; this is common with . Recently Hornady made big news in what seems to be a proverbial drought of new products with the new 6mm Advanced Rifle Cartridge. Ive never actually seen it happen, though you can always get someone on a forum to claim that theyve seen it happen. 6mm ARC vs 308 WIN 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js'; Theyre also made from the same material and use the same explosive. Depriming and priming must be done by hand. You need to burn a lot of powder quickly. It blows the doors off the 5.56 NATO/.223 Remington, providing reduced wind drift and higher retained velocity/energy at any range. As always, do your own testing to confirm using safe load development practices. Some have stated that it offers comparable ballistics to larger 6 mm cartridges like the 6mm Creedmoor and .243 Winchester, but out of a smaller cartridge, however this simply is not true when comparing muzzle velocities between them. Features match-accurate Hornady bullets held to the tightest tolerances in our test lab. 31.2g LVL. All barrels will be rifled with a 1-7.5 twist. Ensure you have the correct decapping pin when resizing and decapping, as there is no standard and manufacturers can use any size they want. Lapua .243 / 6mm 105 Grain Hollow Point Boat Tail Scenar L (1000 Bullets) $ 471.51. Buuut it is so stinking dirty suppressed. As one last little bit of information before the door is closed on the subject, it would be best to invest in a small-base reloading die set. These range from 90 to 115 grains and will fill any list of needs. How are you forming your brass from the Starline? 6mm ARC Everything You Want to Know About It - The Mag Life 2829 0 obj <> endobj Power Pro 2000-MR, which also performed well in the AR, proved exceptional with this bullet: 30, 31 and 32 grains producing .44-, .53- and .33-inch groups at 2,754, 2,786 and 2,940 fps, respectively. It's the size of the FP hole in the bolt face, in relation to the FP itself. 6mm Creedmoor Large Rifle vs Small Rifle Primers?? - Sniper's Hide Forum Once Fired 6mm ARC Brass | US Reloading Supply The powder savings is only a couple tenths of a grain, but that can add up. 6mm ARC: How it started, 6mm ARC: What is it In stock. I really hope this takes off. 2023 Outdoor Sportsman Group. hbbd```b``:"gI~ 2.l#0qd f$3|{ 4 Then, there will be some neck trimming which needs to be done. This article looks at theory and our experience, and should not be considered recommendations about primers for the 6mm ARC. Not crimped either. 6mm ARC Initial Offerings Extreme caution should be taken when creating loads that go against accepted load data. That makes me wonder why Hornady chose a barrel with too slow a twist after all the development work they did. Brownells uppers, barrels, bolts, and magazines, 6mm ARC: 6.5 Creedmoor of the Gas Gun World, 6mm ARC Cartridge SAAMI Specs, Components, Videos, 6mm ARC Cartridge Featured on Shooting USA Tomorrow, 6.5 Grendel is Approved as SAMMI Cartridge Alexander Arms Gives Up 6.5 Grendel Trademark, Sunday GunDay: Beyond .223 Rem Alternative AR Cartridges, Product Review: Hornady 6.5 Grendel Brass. Yes. After finding the correct C.O.L. InterLock BTSP Item No. So why don't we all shoot the 6 BRs and be done with it? Lock it away from potential thieves. (4) not available. my memory could be a little off)with a Lever load and a Varget load. [citation needed]. 6mm ARC | Review of the Hornady Cartridge for the AR-15 Platform The 6mm ARC is a cartridge designed to be a much faster and harder hitting round than the 5.56, but still capable of being shot from the AR-15 platform. If youre converting a standard 5.5645 mm (.223 Rem) AR15 upper to shoot 6mm ARC, youll need a 6mm barrel, a Type II 6.5 Grendel bolt carrier group, and new magazines. I was getting sub MOA groups consistently at 100 yards. var _gaq = _gaq || []; Shown for comparison are some popular 6mm cartridges, including the (1) 6mm ARC, (2) .243 Winchester, (3) 6mm Remington and the (4) .240 Weatherby Magnum. We promise, were not spammy, which is why we only email you twice per month. Doesnt make any sense. Those 95s moving fast keep up with 108g ELD with drift and a good bit less drop if you assume a decent starting velocity. A new addition to the Honey Badger line is a 115 grain 10 mm round. It is not limited to use in an AR-15 either, and would work well in a micro-action bolt gun." Midsouth is also taking brass/ammo backorders. Its been consistently about $2 per round for a 6mm rifle while I can get 5.56 rounds for about 70 cents a round or less. 6mm ARC: Best AR-15 Cartridge Shooter can self-spot impacts on or off target to make rapid adjustments. Now, on to what goes beneath the projectile. 6mm ARC - Practical Reloading | Page 4 | Shooters' Forum The 6mm ARC shoots far and fast for its size, and can stay supersonic at or beyond 1,200 yards. | Twenty-eight grains of Hodgdon CFE 223 beneath a 105-grain Lapua Scenar-L resulted in this .38-inch group. Pet Loads and Handloader are registered trademarks of Wolfe Publishing Company. SFX9 HC 3.25 Solid Frame X-TAC 15 Round, SFX9 HC 3.25 Solid Frame X-TAC 10 Round. endstream endobj 2830 0 obj <. Small mag is if you want fast loads. Finally, a compressed load of 29.5 grains of Alliant Reloder 15 printed .45 inch at 2,900 fps. The 109-grain Berger Long Range Hybrid Target would be the ticket for shooters addressing distant targets. By the numbers, the 6mm ARC case head measures 0.440, just 0.005 smaller than a 7.6339 case. My reformed cases were 1.512 and I modified a lee 6mm PPC case gauge and trimmer to trim to 1.480. endstream endobj startxref They shouldve just left it at A.R.C. Due to the lower MAP, the performance of 6mm ARC ammunition loaded to gas-gun pressures will, on average, be less than firearms loaded to bolt action pressures when using the same barrel length. Any idea how far they're jumping? David Fortier gets a look at Roundtable with Nathan Robinson. JavaScript is disabled. The 6mm Advanced Rifle Cartridge (638mm), or 6mm ARC for short, is a 6 mm (.243) caliber intermediate rifle cartridge introduced by Hornady in 2020, as a low-recoil, high-accuracy long-range cartridge, designed for use in the AR-15 platform at request of a specialized group within the U.S. DoD for its multipurpose combat rifle program. As for the selection, the burn rate chart has a listing of 22 powder options, but not all are good for semi-automatic rifles. Bullets used to test the CMMG AR-15 included (left to right) the 108-grain Berger Elite Hunter, 110-Hornady A-Tip Match and the 115-grain Nosler RDF. David M. Fortier, Firearms News Read More, "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." Apocalyptic Prepping. Yeah, I saw that post. Remember though, its not as simple as running a case into a 6mm ARC sizing die. So your cabinet may already be full with some, or all of these options. _gaq.push(['_setAccount', 'UA-6323545-2']); SPM = Small Pistol Mag . You'll need a new barrel, bolt, and mags. PDF Primer Size Chart - Henry Krank Initial Hornady load data was developed in a Noveske N4 AR-15 with an 18-inch barrel and 1:7.5 rifling twist. That, and the longer tube, resulted in average 300-fps velocity gains. No idea honestly. )It had moderate recoil and primers were did not show pressure. Share the post "6mm ARC Cartridge SAAMI Specs, Build Requirements, Videos", Tags: 6.5 Grendel, 6mm ARC, 6mm Creedmoor, 6mmAR, Brownells 6mm ARC, Hornady. Precision Reloading Guide Part 2: Case Preparation The free float firing pin makes contact with the next rounds primer when the new round is chambered. We have seen some reports that yes, many people have gotten small pistol primers to work in their 6mm ARC loads. The action is an MPA/Curtis with a 60-degree bolt throw and fluted, Nitrided bolt body. Commercial 6mm ARC offerings will feature bullets selected to deliver ideal performance for hunting, match shooting and personal protection applications. Snipers Hide is a community of Snipers of all kinds, focusing on long range shooting, accuracy, and ballistics. The 6mm ARC is a better long-range performer. Out of stock. It even beats the 6.5 Grendel at extended yardages. 6mm ARC - Hornady Manufacturing, Inc I just loaded them to 2.25 COAL to be mag friendly. Anyone loading for a gas gun in ARC? Do not exceed the maximum charges. 6mm ARC Cartridge SAAMI Specs, Build Requirements, Videos Smallest group being about .25 inch. Primer Pocket Swage Tool; Priming Tools; Shell Plates, Shell Holders & Bushings; Shotshell Accessories; Dies & Accessories . Separate data will be provided for bolt action firearms. Yes, the 6mm ARC cartridge is made to take a small rifle primer. As an example, in 5.56, a 20" barrel with a RLGS is considered by most to be the gold standard of functionality. In fact, some prefer them for precision loads. var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true; Primer Size and Bullet Diameter Chart - 3 4050 S. Clark, Mexico, MO 65265 www.grafs.com 800-531-2666 460 S&W Magnum .452 LRM 460 Weatherby Magnum .458 LRM . This versatile cartridge does much of what larger cartridges can and everything that smaller cartridges can't. No plans to crimp. Maximum pressures in the turn bolt were established at 62,000 psi. Velocity is not always everything, but the 6mm GT provides ample speed for its size. That's one great thing about the Hornady 6mm ARC, its not trying to remake the wheel. Bolt-action data was developed in a CZ-USA Model 527 with a 24-inch barrel and 1:7.5 rifling. (Photo by Mark Fingar) I don't expect there to be much, if any, factory ammo loaded at those pressures, but Hornady will develop bolt-gun reloading data for the 6mm ARC. Look at your specific load data and see if what it specifies. Check out our selection below and make Midsouth Shooters your reloading headquarters! It took 4 months to come in. _gaq.push(['_setDomainName', '.accurateshooter.com']); Yes. [9] The 6mm ARC utilizes the same bolt head size as the 6.5mm Grendel, and 6.5mm Grendel-compatible AR-pattern box magazines have also been used successfully with the 6mm ARC. Federal Premiums Gold Medal Match Small Rifle primers were used in all bolt loads. 6mm ARC: Hunting LPM = Large Pistol Mag . Ryan Cleckner, Gun University Read More, "I was more than dazzled, as I continued to place shots on targets all over the mountain. With Bergers 108-grain Elite Hunter, 28 grains of Hodgdon CFE 223 produced a .91-inch group at 2,463 fps; 27.5 grains of Hodgdon LVR a .72-inch group at 2,463 fps; 28 grains of Accurate 2520 a .96-inch group at 2,550 fps and 27.5 grains of Alliant Power Pro 2000-MR a .59-inch group (the best with this bullet) at 2,347 fps. 6mm ARC - Rifles by Caliber - Rifles - Firearms - Departments Not a big issue except carbon/powder fouling starts causing fliers faster than anything I've had before. Im using RCBS SB/TC dies and just lubing and running. These would have the best results if set off with match grade small rifle primers. This is because loading data given in some manuals such as the 11th Edition Hornady Reloading Manual[8] ,for example, has two sets of data. (Photo credit: Hornady) Hornady has the following to say about the cartridge: Sierras 95-grain Tipped MatchKing seated over 32 grains of Power Pro 2000-MR produced this .33-inch group from the MPA bolt rifle. Nobody likes unnecessary stoppages while they are shooting. This 6mm ARC reloading data is intended for use in gas guns (e.g. Jason.N; Jan 28, 2023; Reloading Depot ; Replies 2 Views 452. Lapua with their Scenar and ScenarL line offer 90- and 105-grain choices. They will expand on small varmints at 6mm Creedmoor velocities, so they should work well on average-sized hogs or smaller deer.
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