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. Lever that dirty? With this rifle, Hodgdons CFE 223 was the hands down accuracy winner with 28 grains producing a .28-inch group at 2,800 fps, and 29 grains a .52-inch group at 2,835 fps. 6mm ARC | Handloader Magazine Conceivably, this means. 50 shots and accuracy goes to crap. . Anyone have any velocity data with a 14.5"? They are 0.2 mils lower than my 100 TGK handloads. Overall, the 6mm ARC delivers optimum all-range performance and barrel life. 6mm ARC - Wikipedia The usual cartridge neck diameter with a .243-inch bullet seated is 0.260 inch for a .262-inch chamber throat. Some may want to try and reform 6.5mm Grendel cases into 6mm ARC. QD mount. Primer Pocket Swage Tool; Priming Tools; Shell Plates, Shell Holders & Bushings; Shotshell Accessories; Dies & Accessories . I just bought 800-95s to hopefully find a load for my 1:8 Seekins barrel. 6mm ARC: Handloading 2829 0 obj
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Seeing some pressure signs and maybe a little overgassed at near 70degrees, probably a load for freezing temps. Do You Need a 9mm? According to the calculator a 1:7 twist barrel is necessary to adequately stabilize that bullet. From carefully selected primer and powder to precision-engineered cases and bullets, Lapua products have a well-deserved reputation for being amongst the best on . Yes it is designed to run in AR15-platform rifles. 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. All the hardware you need is currently available at Brownells. : 2.180"G1 B.C. Ensure you have the correct decapping pin when resizing and decapping, as there is no standard and manufacturers can use any size they want. I think it may need cleaned. I started with Cutting Edges mono-copper 88-grain MTH (G1 BC .445) to see what kind of velocity could be generated, then moved to Sierras 95-grain Tipped MatchKing (.500 BC), Hornadys 103-grain ELD-X (.512), Lapuas 105-grain Scenar-L (.472) and finished with Bergers 109-grain Long Range Hybrid Target (.568). You will likely run into feeding problems with an AR-15, due to the shorter overall length, if you try loading bullets lighter than 90 grains. Add to Compare. You must log in or register to reply here. Balanced application of cartridge, chamber and propellant design coupled with bullet selection for optimum all-range performance and barrel life. Maximum pressures in the turn bolt were established at 62,000 psi. Also, there could be neck tension issues if those lighter bullets are seated too far out. If you are interested in a detailed history of the 6mm ARC, Senior Field Editor David Fortier provided a great rundown in this article. 6mm ARC vs. 6.8 SPC [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. I wonder if this will make inroads in benchrest, when better brass is vailable? Some folks have suggested standard AR mags will work, but trust us, you want the magazines that have been designed for 6.5 Grendel. 3dR=j|J{~$'Hk
yR_;q Sign up to receive new product announcements, special offers, and the annual product catalog. Primer Manufacturer Chart; Shellholder Chart; Bullet Abbreviations; User Loading Data. These sets will not only have the required full-length sizing die to maintain proper case length, but will also completely size the body. 6mm ARC Unprimed Cases (50 ct) Item No 86287, 6mm ARC Series III Two-Die Rifle Die Set (.243) Item No 546251, 6mm ARC Full Length Die (.243) Item No 046262, 6mm ARC Seating Die (.243) Item No 044244, Small Rifle Case Feeder Plate Item No 095314, Bullet Puller Collet #3 (.243) Item No 392156. View Reloading Essentials View Cartridge Cases, "It's the best all-around cartridge for the AR to date; better than the .223 Rem., 6.5 mm Grendel, 6.8 SPC and .300 Blackout, and evidently Hornady and I aren't the only ones who think so." 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. Once Fired 6mm ARC Brass | US Reloading Supply Review: Hornady 6mm ARC | An Official Journal Of The NRA 7 mm Remington SAUM (Short Action Ultra Magnum) Lee - 5 . If you have light firing pin strikes, you may have problems with these, as they have a harder cup, but the 6mm ARC was originally designed to shoot this harder nato style primer. With the 110-grain Hornady A-Tip, highlights included a .90-inch group with 28 grains of CFE 223 at 2,481 fps; .39 inch (the smallest group with all AR loads) with 25.5 grains of LVR at 2,262 fps; .97 inch with 26 grains of A-2520 at 2,368 fps and .81 inch with 25.5 grains of Alliant Reloder 15 at 2,383 fps. 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. This was way over pressure yielding speeds in the 2730 FPS range, heavy ejector swipes and unusably expanded primer pockets. (function() {
It's a matter of the primer cup being allowed to flow backward thru the gap. There is room to produce inexpensive range fodder, and create some home brewed match winners. 3 shots touching and a couple wild ones. Deviating from Soviet design, the ARC takes on a 30-degree shoulder angle; this is common with . 6mm ARC: Barrel Length. Yes, the 6mm ARC cartridge is made to take a small rifle primer. Commercial 6mm ARC loads feature bullets selected to deliver ideal performance for hunting, match shooting, and personal protection applications. 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. my memory could be a little off)with a Lever load and a Varget load. The 6mm ARC offers a 30 to 35% lighter-weight package (gun and ammo). Overall, it proved the most accurate bullet of the bolt-rifle test, the 1:7 rifling twist really helping it excel. SIGHTRON S6 5-30x56 ED Line of Premium Riflescopes: New for 2022, B&T USA 16-inch SPC9 Carbine: New for 2022. In addition to the above comments there is some confusion regarding the 6 mm ARC's performance. Any idea how far they're jumping? You will want something fairly clean burning and temperature stable. That, and the longer tube, resulted in average 300-fps velocity gains. InterLock BTSP Item No. I don't with my 6.5 Grendel and never an issue. Narrowing ARC powders to a short list is relatively easy. From an AR, Hodgdons LVR and CFE 223, Alliants Power Pro 2000-MR and Accurates A-2520 give top velocities combined with consistent accuracy. %%EOF
The 6 GT Is a New Top Cartridge in the Precision Rifle World - Outdoor Life The Answer: 6mm Advanced Rifle Cartridge. 90-100g. The chassis rifle proved so accurate (.64-inch overall average from 45 loads) that only combinations printing near or less than .50 inch with five shots at 100 yards are worth mentioning. JavaScript is disabled. Specifically, the CCI 550 Small Pistol Magnum primers and the CCI 400 Small Rifle Primers are the same size, with the same cup thickness. Berger has long been associated with great bullets and they have the largest selection of offerings. Small rifle magnum primers, like the CCI 450, will certainly work in the 6mm ARC cartridge. The new 6mm ARC is basically a 6.5 Grendel necked down to 6mm, with the shoulder moved back around .030. Where the Dasher/BR crowd has a case head size of . They have 10 solid options ranging in weight from 90 to 110 grains. )It had moderate recoil and primers were did not show pressure. Yes, some reloading data are made with small rifle magnum primers. Gas gun data includes 52,000 psi maximum pressures. 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 lazy, and using known data from the 6mm AR, I loaded 27.5 grains of H4895 under a 105 Berger Hybrid Target. So, while others wait to see what ammo options will populate their local gun store, a savvy reloader can be well on his way to making the Hornady 6mm ARC a staple on his reloading bench. [5], The cartridge makes use of 6mm (.243 in) bullets, which are known for their high ballistic coefficients due to the high sectional density with less drag and better energy retention at extended ranges. | 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. Another example would be a 16" 5.56 with a midlength gas as being sort . Shot this group with hornady black 105s today in 5 degrees and howling wind. I averaged 2889fps with 95g VLD and yesterday 2905fps at 69deg. 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. This versatile cartridge does much of what larger cartridges can and everything that smaller cartridges can't. Lapua 220 Russian brass is the only candidate I found to fire form cases from. Because I just got back from the range and saw something I've never seen before. As for the selection, the burn rate chart has a listing of 22 powder options, but not all are good for semi-automatic rifles. The first two resulted in at least one combination producing groups from .75 to 1 MOA, but 27 grains of A-2520 (about 100 fps off maximum) put the first three shots into .36 inch, No. That makes me wonder why Hornady chose a barrel with too slow a twist after all the development work they did. All Rights Reserved Theme by Grace Themes, A Review of American Buffalo by Steven Rinella, Water Filtration Additive Better than Iodine. The Endeavor proved slow to warm with the ARC cartridge, and recoil was quite gentle. This 6mm ARC reloading data is intended for use in gas guns (e.g. Our 6mm ARC reloading brass is sorted by size, . Bolt gun data appeared simultaneously with gas gun light-bullet data, listing bullets from 58 to 108 grains. Should be interesting. The case head remains .441 inch and the rim is .059-inch thick. Official SAAMI Cartridge (not wildcat) Today's testing using an 6mm ARC upper I built up with a 16" barrel (4 groove cut rifled barrel 1:7.5" twist) with a SAAMI 6mm ARC chamber: 26 gr of H4895, CCI BR4 primer, Berger 105 gr BT, Lapua reformed and trimmed 6.5 Grendel brass, 2.265" OAL magazine fed = 2453 fps - .505" 5 shot group - accuracy excellent. In addition Blacks Hills Ammunition also launched a 6mm ARC round and a 6.5 PRC. So hopefully when it warms up and the wind subsides I will see if I can repeat this group. _gaq.push(['_trackPageview']);
BR 4 primer are good to go. 6mm ARC brass forming -& primer flash hole diameter discussion? Fits Short/Mini action bolt rifles Advanced Rifle Cartridge. 6mm Creedmoor Large Rifle vs Small Rifle Primers?? - Sniper's Hide Forum Utilizes an efficient propellant charge and bullet weight combination. 20" barrel with rifle +1. David Fortier is with CEO of Silencer Central Brandon Maddox at Roundtable 2022. As the industry continues to find more variations for AR-15 platforms, one has to wonder how much life this cartridge will have, as so many have landed in niche followings? Of course, a handful of handload combinations provided exceptional results, which from an AR, I considered anything printing less than an inch with five shots at 100 yards. Thanks for the info. Just got a 20" proof stainless barrel and I have been very happy with it it. The barrel measured .935 inch just behind the hybrid MPA muzzle brake. All worked well from the bolt action as well, with Power Pro Varmint, Reloder 15 and IMR-8280 XBR also exceptional performers. Faxon and Ballistic Advantage are already producing barrels, with more manufacturers sure to follow. MFG #: 13519. Primers for 6mm ARC - Apocalyptic Prepping Efficient short, fat case design The Winchester 350 Legend is built with hunters and sport shooters in mind, 350 Legend is versatile on the range and in the deer woods. Hornady is an obvious first choice for selecting 6mm projectiles to load the 6mm ARC with. Lapua bullets are well respected for their quality, and should make a good match for the 6mm ARC. 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. May 12, 2022 #1 Greetings all. A new addition to the Honey Badger line is a 115 grain 10 mm round. We promise, were not spammy, which is why we only email you twice per month. (Photo credit: Hornady) Hornady has the following to say about the cartridge: (6) Auto 4X4 and Five-Station Shell Plates not available. As 6mm (.243-inch) has been a fairly popular all-purpose caliber for decades, there are a lot of good choices. Finally, a compressed load of 29.5 grains of Alliant Reloder 15 printed .45 inch at 2,900 fps. AR test loads included Bergers 108-grain Elite Hunter with a .559 G1 BC, 110-grain Hornady A-Tip (.604 G1 BC) and Noslers 115-grain RDF with a .634 G1 BC (the highest BC 6mm bullet Im aware of). 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. TESTED: Sierra 6mm 107gr MatchKing Bullets - Ultimate Reloader From Ramshot Powders you should consider X-Terminator and TAC. 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. If you already have an AR chambered in 6.5 Grendel, the ONLY thing you need to change is the barrel. I'm curious if anyone is having success without crimping. 6 mm ARC (Advanced Rifle Cartridge) Lee - 12 Lee - 12 . Dont chase the velocities you might get in a bolt-action gun. The 6mm ARC uses commonly available 6.5 Grendel magazines/bolts. They have 10 solid options ranging in weight from 90 to 110 grains. Yes. PDF 6mm ARC (Bolt Gun) - Hornady The AR-15 test rifle was a CMMG Endeavor 300 MK4 with a 20-inch barrel and 1:7.5 twist. For a variety of reasons, is wise to keep pressures in a semi-auto rifle moderate. These range from 90 to 115 grains and will fill any list of needs. 6mm GT: Is This the Newest Precision Ammo Niche? - Guns.com Federal small pistol and small pistol magnums at your discretion and at your own risk, but they fit and some have reported success. Aero Precision already offers complete 6mm ARC uppers. The 6mm ARC shoots far and fast for its size, and can stay supersonic at or beyond 1,200 yards. 6mm ARC The newest 6mm factory round is the recently announced 6mm ARC (Advanced Rifle Cartridge). 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. From a military standpoint, Hornady's 6mm ARC is designed as an improvement over both the 5.56 NATO and the 7.62 NATO rounds traditionally employed in the U.S. arsenal. The rifle includes a built-in inclinometer (bubble level), a RAT Rail accepting bipods and other accessories and a V4 spigot mount and thermal-image optic bridge. Philip Cashin said when chambering MPA rifles, headspace range is cut in half, using aplus-.002-inch go-gauge to drop total headspace range from .004 to .002 inch, which Cashin said helps handloaders going from one barrel to another with brass compatibility. I suggest considering CCI BR-4s. Yes. It included an SV Brake (58-24 threads), an SLR adjustable gas block, forged 7075-T6 M4 upper and AR-15 lower, CMMG RML15 M-Lok hand guard, CMMG oversized ambidextrous charging handle, MAGPUL PRS stock, Geissele Automatics SSA 2-Stage trigger and a 10-round detachable magazine. Give a Gift
Right now you can also sign up for free. What Do I Need To Shoot the 6mm ARC? ga.src = ('https:' == document.location.protocol ? These would have the best results if set off with match grade small rifle primers. The AR-15 platform features a higher magazine capacity. LPM = Large Pistol Mag . Jeff Johnston, American Rifleman Read More, "The 6mm ARC has the potential be a very accurate cartridge. %PDF-1.6
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Been looking for 6mm ARC brass or even ammo recently, wow. 6mm ARC Cartridge SAAMI Specs, Build Requirements, Videos Rifle cartridges (l. to r.) .308 Win, 6mm ARC, 300 AAC, .223 Rem, Hornady 6mm ARC Cartridge - What You Need to Know, Public Introduction - 6.5 Creedmoor - 6mm-ARC-Public-Introduction-Rev-2020-06-18.pdf, Brand new rifle caliber: 6 mm ARC, Hornady's Advanced Rifle Cartridge! CLICK Image for official SAAMI Specifications: If you are intrigued by the 6mm ARC, youll find the products you need at Brownells uppers, barrels, bolts, and magazines. Arc is just plain silly. 6mm Lee Navy .243 BLR 6mm PPC .243 SR 6mm Remington .243 LR 6mm TCU .243 SR 6mm-06 Springfield .243 LR 6mm-284 Winchester .243 LR hb```,? Designed to meet the needs of the worlds toughest critics, the 6mm ARC utilizes efficient, high-BC bullets to deliver unprecedented performance from the AR-15 platform. The rifle fed smoothly with all loads tested. Patrick Sweeney gives some history on this interesting pistol. Small mag is if you want fast loads. 26" McGowan 1:7" 0.086" gas port, Odinworks adjustable gas block, JP BCG Using 0.350" insert Hornady comparator's headspace 1.183" Sized 6.5 Grendel Virgin Starline brass headspace 1.187" Fired cases headspace 1.191" 1.720" CBTO Lands contact 100 TGK .