Balanced application of cartridge, chamber and propellant design coupled with bullet selection for optimum all-range performance and barrel life. The 6mm ARC is a serious cartridge, particularly from an AR-15, and one I hope fares well in the fickle world of cartridge popularity. V-MAX Item No. Gas gun data includes 52,000 psi maximum pressures. All Rights Reserved Theme by Grace Themes, A Review of American Buffalo by Steven Rinella, Water Filtration Additive Better than Iodine. From Ramshot Powders you should consider X-Terminator and TAC. Well, regardless of how commercially accepted this new entry becomes, if one were to acquire a rifle or build one of their own, reloading your own 6mm ARC ammo will guarantee it remains in your collection. This 6mm ARC reloading data is intended for use in gas guns (e.g. 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. All Firearms News subscribers now have digital access to their magazine content. Weve also gotten reports that yes, you can also use small pistol magnum primers to develop your loads. Wilson Combat will offer WC-15 6mm ARC rifles with our match-grade, 18" fluted/threaded Tactical Hunter barrel. Brandon explains how his company has streamlined the suppressor buying process. 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. 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. PRIMER LEGEND . Only one way to find out! : 2.085"G1 B.C. I just loaded up another ladder to 28.4, but sounds like I should go back in the garage and add some more up to. The 6mm ARC shoots far and fast for its size, and can stay supersonic at or beyond 1,200 yards. [10] The 6mm ARC therefore can also be a suitable chambering for shorter "mini-action" bolt-action rifles. In addition to the above comments there is some confusion regarding the 6 mm ARC's performance. I have a question for those who have reloaded for this cartridge. 90-100g. Most reloaders are able to use these interchangeably with the magnum small rifle primers without adjusting their load data, but you do your own testing if you choose to use the #41 small rifle primers in your 6mm ARC loads. If they cost the same and your manual is calculated in magnum primers, Id use magnums. Patrick Sweeney gives some history on this interesting pistol. Should be interesting. Cratering usually happens at 1st. 6 mm Bench Rest Norma. There is room to produce inexpensive range fodder, and create some home brewed match winners. As for the selection, the burn rate chart has a listing of 22 powder options, but not all are good for semi-automatic rifles. I doubt it will take long before virgin brass from Hornady becomes available. Primer Pocket Swage Tool; Priming Tools; Shell Plates, Shell Holders & Bushings; Shotshell Accessories; Dies & Accessories . Hornady launched the 6mm ARC with three factory loads: a 103-grain ELD-X Precision Hunter at an advertised 2,800 fps, 105-grain BTHP Hornady Black at an advertised 2,750 fps and the 108-grain ELD-Match load at a stated 2,750 fps. David Fortier is with Paul Pluff of Ruger at 2022 Roundtable checking out Ruger's SFAR - Small Frame AR. Less felt recoil than larger short-action-based (308 Win family) cartridges. The 6mm ARC offers a 30 to 35% lighter-weight package (gun and ammo). 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. I don't with my 6.5 Grendel and never an issue. 50 shots and accuracy goes to crap. 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." Sort By: Items Per Page: Item Total: (18) 0 - 18 Decapping Pin Large (6 Count) 005-060008 | Hornady $10.63 In Stock Decapping Pin Small (6 Count) 005-060009 | Hornady $10.63 In Stock . %%EOF Language links are at the top of the page across from the title. ga.src = ('https:' == document.location.protocol ? Mar 19, 2023 . More brass and ammo should arrive soon. , Good news for reloaders from Peterson Cartridge Company; their, I'll update with full Chrono readings but 48deg. It is going to be interesting to see bolt life. Groups were all in the 1 to 1.5 MOA range at 100 yards. Bolt-action data was developed in a CZ-USA Model 527 with a 24-inch barrel and 1:7.5 rifling. Bullets of the . @(aO 0{!{:8:@T @1fpQ{3W=97,_:Xr"Ck&efS cH Se After finding the correct C.O.L. Seeing some pressure signs and maybe a little overgassed at near 70degrees, probably a load for freezing temps. Hey guys, is there something special about Hodgdon LVR in 6ARC? Been looking for 6mm ARC brass or even ammo recently, wow. The 109-grain Berger Long Range Hybrid Target would be the ticket for shooters addressing distant targets. 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. The first set of data is loaded to the SAAMI maximum average pressure (MAP) of 52,000 psi, which is stated to be suitable for gas-operated firearms such as the AR-15 platform and its derivatives. The standard bullet diameter for 6 mm caliber cartridges is .243 inches (6.2 mm), the same diameter used in the .243 Winchester and 6mm Remington cartridges. Small mag is if you want fast loads. I just loaded them to 2.25 COAL to be mag friendly. All the other required components are already on the market for 6.5 Grendel rifles. The cartridge was quickly accepted as a Sporting Arms and Ammunition Manufacturers Institute (SAAMI) standard, an excellent start to such a new cartridge. Flat trajectory minimized wind drift, high sectional density to aid penetration, tame recoil allowing spotting your own shots and the potential for exceptional accuracy are all part of the ARC package. The 6mm Advanced Rifle Cartridge (ARC) was tested, selected and elded by a specialized group within the U.S. DoD for its multipurpose combat rie program. Sierras 95-grain Tipped MatchKing seated over 32 grains of Power Pro 2000-MR produced this .33-inch group from the MPA bolt rifle. 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. It is ideal for long-range and competition applications in calibers like , , 6GT, and 6mm ARC. I asked my personal gun smith, who also taught me to reload his opinion on small rifle vs small rifle magnum and this is what he said about it: Ive tried both. That makes me wonder why Hornady chose a barrel with too slow a twist after all the development work they did. Handloading data for the 6mm ARC was newly minted at the onset of this months-long project. Lapua 220 Russian brass is the only candidate I found to fire form cases from. Like Greg talks about in the 1st of his video. It even beats the 6.5 Grendel at extended yardages. James Tarr gets to talk to Steve Wilson of Rock River Arms about their RBG. [citation needed]. This bullet requires a twist rate of 1:8" or faster. Hornady also supplied dies, brass and initial factory ammunition for this project. Check out our current selection of 6mm GT Rifle Brass below! )It had moderate recoil and primers were did not show pressure. Jay Langston, Ballistic Magazine Read More, "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." Except for Reloder 15, Precision Rifle and Varget, all are fine-grained or spherical powders that flow like water. It is a popular primer in AR type rifles. I'm curious if anyone is having success without crimping. Initial Hornady load data was developed in a Noveske N4 AR-15 with an 18-inch barrel and 1:7.5 rifling twist. May 12, 2022 #1 Greetings all. 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 6mm ARC is a medium-power cartridge comparable to the 6.5mm Grendel, but with better ballistics thanks to the greater muzzle velocity achieved by using lighter 6 mm bullets and enough power to make use of the heavy 6 mm bullets. If you are interested in a detailed history of the 6mm ARC, Senior Field Editor David Fortier provided a great rundown in this article. You can also follow our Facebook Page for regular articles and resources. All worked well from the bolt action as well, with Power Pro Varmint, Reloder 15 and IMR-8280 XBR also exceptional performers. I would recommend getting a Body Die to help correctly set the new shoulder, as the 6mm ARCs is slightly further back. 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. 6mm ARC: Barrel Length. My load above (#5 and7) is gas gun. 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. %PDF-1.6 % endstream endobj 2830 0 obj <. RCBS - 38 . Accurate A-2520 produced a .43-inch group at 2,886 fps, while Power Pro 2000-MR shined again. I wonder if this will make inroads in benchrest, when better brass is vailable? Work up loads safely like you otherwise would, but the magnum primer shouldnt be an issue. * While 6-6.5 Grendel shooters are known to run stout pressures, the new 6mm ARC cartridge has a relatively moderate Maximum Average Pressure (MAP) rating of 52,000 psi according to the official SAAMI specifications. Gain a deep knowledge of ballistic science and access our improved ballistic calculator. 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! Anyone loading for a gas gun in ARC? The 6mm ARC gives hunters the ability to successfully hunt varmints and deer. The CMMG Endeavor AR-15 proved capable of fine precision, including this .59-inch group with a combination of Bergers 108-grain Elite Hunter and 29.5 grains of Power Pro 2000-MR. These would likely be a better fit regarding the cartridges overall length. As always, do your own testing to confirm using safe load development practices. It also produced a good number of tight groups from this rifle. 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. 6mm ARC 86287 50 6mm Remington 8622 50 6mm Creedmoor 86280 50 6mm Creedmoor 86280B 2000 25-35 Winchester 86101 50 250 Savage 86105 50 25-06 Remington . It's the size of the FP hole in the bolt face, in relation to the FP itself. Dr. Dabbs tells us all about the weapons used in the his personal favorite war movie, Kelly's Heroes. Im using RCBS SB/TC dies and just lubing and running. Commercial 6mm ARC offerings will feature bullets selected to deliver ideal performance for hunting, match shooting and personal protection applications. Alliant's Reloader 15 would be another good option to consider. 6mm ARC: Military Application The new 6mm ARC is basically a 6.5 Grendel necked down to 6mm, with the shoulder moved back around .030. The only powders that is available commercially that will get 105-108gr bullets to 2750fps under 52ksi pressure are temperature sensitive ball powders. :u0RFH1r)F#a9nZh. Ensure you have the correct decapping pin when resizing and decapping, as there is no standard and manufacturers can use any size they want. You are using an out of date browser. Thirty grains of Shooters World Precision Rifle produced the best group with that powder (.57 inch at 2,887 fps), though the bolt opened just a touch tightly for my taste. As 6mm (.243-inch) has been a fairly popular all-purpose caliber for decades, there are a lot of good choices. There isnt enough force to set off a factory 6mm ARC round, but that may not be true if you have small pistol primers. In the end if you are following good reloading procedures, load light and build up to what you want with either one.. 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. Those 95s moving fast keep up with 108g ELD with drift and a good bit less drop if you assume a decent starting velocity. brass weight? Even with a flat-shooting 6mm target bullet, a difference of 30 fps in muzzle velocity can translate to 7 inches of vertical at 1,000 yards, turning what might have been a good hit into a clean miss. The AR-15 test rifle was a CMMG Endeavor 300 MK4 with a 20-inch barrel and 1:7.5 twist. We hope you think about being prepared more than twice per month, but our newsletter is a valuable resource to help you learn new things, and just to keep prepping on your mind. How are you forming your brass from the Starline? Just got a 20" proof stainless barrel and I have been very happy with it it. I also wouldnt hesitate to use this bullet on varmints and predators, even hogs while aiming into the shoulder to assure bullet fragmentation. Initially tested and fielded by US Special Operations forces, the 6mm ARC utilizes efficient, high-BC bullets to deliver unprecedented long-range performance with a wide variety of available bullets. Depriming and priming must be done by hand. 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. Fits standard AR15-platform rifles Yet, the 6mm ARC was designed to play in the deeper end of the bullet pool. For example, the data in the Hornady 11th Edition Manual for an 18 in (457 mm)-barrelled AR-15 platform firearm was on average 200-300 ft/s (60-90 m/s) less than the data for the 24 in (610 mm)-barrelled CZ 527 bolt action rifle. Twenty-eight grains of Hodgdon CFE 223 beneath a 105-grain Lapua Scenar-L resulted in this .38-inch group.