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. This bullet requires a twist rate of 1:8" or faster. (Speer 75 grain HP on top of 25 grains of IMR 4895. Remember though, its not as simple as running a case into a 6mm ARC sizing die. 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. 2829 0 obj <> endobj 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 . Mar 19, 2023 . It can reach maximum results with what is already out there, and these components have been thoroughly tested in other cartridges. I was holding on the left side of the marker dot at 100 yards. The new round offers shooters some of the best attributes possible for precision shooting. 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. 6mm ARC: 6.5 Creedmoor of the Gas Gun World CCI 450, 400, and 41 primers are all the commonly used cci primers used, and there is standard load data for each. Very interesting. var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true; Started with Hornady brass, 42 grains of H-4350, Hornady 105 grain Match BTHP, and Large Federal gold medal match primers. Your main problem with small pistol primers is the cup thickness and the free float firing pin in an AR style rifle. Right now you can also sign up for free. Sierras 95-grain Tipped MatchKing is a favorite 6mm varmint bullet, with a great BC for weight and improved velocities compared to heavier 6mm bullets with similar profiles. Ive never actually seen it happen, though you can always get someone on a forum to claim that theyve seen it happen. Anyone loading for a gas gun in ARC? Finally, a compressed load of 29.5 grains of Alliant Reloder 15 printed .45 inch at 2,900 fps. For a variety of reasons, is wise to keep pressures in a semi-auto rifle moderate. hb```,? The 109-grain Berger Long Range Hybrid Target would be the ticket for shooters addressing distant targets. 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. If you already have an AR chambered in 6.5 Grendel, the ONLY thing you need to change is the barrel. Gas gun data includes 52,000 psi maximum pressures. My 95s just came in and at 2.25oal I'm at 100 thousandths jump. . To get started, click the link below to visit mymagnow.com and learn how to access your digital magazine. Primer Pocket Swage Tool; Priming Tools; Shell Plates, Shell Holders & Bushings; Shotshell Accessories; Dies & Accessories . I will be using once fired Hornady brass to get going. Some folks have suggested standard AR mags will work, but trust us, you want the magazines that have been designed for 6.5 Grendel. 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]. How are you forming your brass from the Starline? Bullets of the . They will expand on small varmints at 6mm Creedmoor velocities, so they should work well on average-sized hogs or smaller deer. Accuracy may also suffer. You can also follow our Facebook Page for regular articles and resources. Jeff Wood, guns.com Read More. 6mm GT SRP (Small Rifle Primer) $ 130.00 $ 25 Creedmoor SRP (Small Rifle Primer) Out of Stock 118.00 - 6XC SRP (small rifle primer) Out of Stock $ 115.00 - $ 6XC LRP (Large Rifle Primer) Out of Stock 115.00 575.00 Out of Stock Shop All Brass REAMERS Pilot Bushing $ 19.99 Alpha Legacy Reamer $ - $ Shop All Gear A Word From The Alpha Team Also another where the guy says he hasnt seen big temp swings. Been looking for 6mm ARC brass or even ammo recently, wow. The 6mm ARC is an AR-15 platform cartridge that performs well whether it's a close-quarters situation or if there's a need for a longer-range shot to be taken. Perfect for concealed and everyday carry, the Springfield Armory Hellcat Pro is feature-packed and built for rough use. Not a big issue except carbon/powder fouling starts causing fliers faster than anything I've had before. Some Berger bullets require a very fast one turn in 7 inches twist rate. We recommend the WSR primer, or small rifle primers. JavaScript is disabled. 6mm arc Staball Match Barnes 105 Match Burner. Personally, I think this is the perfect choice for an AR Velocities for long, high BC bullets are perfect for long barrel life and excellent accuracy. Its a good bet that those companies already loading 6.5mm Grendel will be the quickest onto store shelves. The 6mm ARC uses commonly available 6.5 Grendel magazines/bolts. All the hardware you need is currently available at Brownells. Yes. Every gun is different, so see how your gun will react before you just full send it with 6mm ARC reloads with small pistol primers. 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." Anyone getting decent velocity with Varget and lighter bullets? The accuracy of the ARC is superb." 6mm ARC: Match The Endeavor proved slow to warm with the ARC cartridge, and recoil was quite gentle. 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. Weve also gotten reports that yes, you can also use small pistol magnum primers to develop your loads. 6mm ARC: Overview 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. Bolt gun data appeared simultaneously with gas gun light-bullet data, listing bullets from 58 to 108 grains. 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. SIGHTRON S6 5-30x56 ED Line of Premium Riflescopes: New for 2022, B&T USA 16-inch SPC9 Carbine: New for 2022. 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. Hodgdons CFE 223 and LEVEREVOLUTION (LVR), Accurates A-2520 and Alliant Power Pro 2000-MR and Reloder 15 were chosen because they offer top velocities in all bullet weights. Plus you will have some turning to do to remove all the extra brass before you can load the new cases. found this link recently, there is mention of SW precision for bolt gun near end of article, apparently the author looked at 6 mm BR data and worked up load from there, maybe using QL too? 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. It is NOT for use in AR-15 style (gas gun) rifles. I remember seeing a test here where a guy shot 15degrees, room temp, and then 95degrees(approx. Commercial 6mm ARC loads feature bullets selected to deliver ideal performance for hunting, match shooting, and personal protection applications. I buy from Sportsmans warehouse and several local shops by where I live. 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. Any idea how far they're jumping? Theyre a match grade primer, so theyre a more expensive option, especially if youre just planning on using them for plinking, but they work. The heavy, hand-lapped barrel is a MPA 416R stainless steel number measuring 26 inches with a 1:7 twist, 58-24 muzzle threads and black CERAKOTE finish. 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. 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. Half of these are designed for hunting and the rest for match shooting. Commercial 6mm ARC offerings will feature bullets selected to deliver ideal performance for hunting, match shooting and personal protection applications. _gaq.push(['_setDomainName', '.accurateshooter.com']); Finding brass, ammo or dies is not looking encouraging. The 6mm ARC cartridge has a modest case capacity and, as such, uses small rifle primers to ignite the powder charge. Lapua with their Scenar and ScenarL line offer 90- and 105-grain choices. Things started well with 28.5 grains of Accurate A-2520, with a .48-inch group at 2,745 fps. Figured I'd start a thread for the 6mm ARC. If you prefer ammunition or brass from other manufacturers, it will only be a matter of time before the rest of the market reacts. Hornady 6mm ARC brass looks to be of good quality, is fairly consistent and should give you a number of reloads as long as dont lose them, or are pushing for maximum velocity. Hornadys initial gas gun data included only 108-grain ELD Match and 110-grain A-Tip Match bullets; lighter bullets from 58 to 105 grains were added within a couple months. Twenty-eight grains of Hodgdon CFE 223 beneath a 105-grain Lapua Scenar-L resulted in this .38-inch group. Excellent terminal performance from an assortment of bullets for a variety of applications. Yet, if forced to choose but two powders, Alliants Power Pro 2000-MR (AR and bolt) and Power Pro Varmint (bolt) proved exceptionally versatile and decidedly less finicky. David Fortier is with Paul Pluff of Ruger at 2022 Roundtable checking out Ruger's SFAR - Small Frame AR. Hornadys 103-grain ELD-X and 29.5 grains of Power Pro 2000-MR produced this .34-inch group at 2,606 fps from the MPA bolt rifle. 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. In stock. From an AR, Hodgdons LVR and CFE 223, Alliants Power Pro 2000-MR and Accurates A-2520 give top velocities combined with consistent accuracy. You need to burn a lot of powder quickly. 6mm ARC: Barrel Length. The free float firing pin makes contact with the next rounds primer when the new round is chambered. 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 just loaded up another ladder to 28.4, but sounds like I should go back in the garage and add some more up to. That, and the longer tube, resulted in average 300-fps velocity gains. James Tarr gets to talk to Steve Wilson of Rock River Arms about their RBG. The second set of data is loaded to a MAP of 62,000 psi, which is stated to be for use with bolt action guns such as the CZ 527. The 6mm ARC as a possible military round doesnt interest me so much as the promise of a serious hunting round. So, I suggest staying loading bullets 90 grains and heavier. 2023 Outdoor Sportsman Group. Ill throw my initial pressure testing data into the ring. My reformed cases were 1.512 and I modified a lee 6mm PPC case gauge and trimmer to trim to 1.480. 30-degree case shoulder. $1,449.00. 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 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. Available in different sizes, we are sure to have what you need. Work up loads safely like you otherwise would, but the magnum primer shouldnt be an issue. The 6mm ARC shoots far and fast for its size, and can stay supersonic at or beyond 1,200 yards. Patrick Sweeney gives some history on this interesting pistol. If you like Vihtavouri powders, then consider N140 and N540. Those 95s moving fast keep up with 108g ELD with drift and a good bit less drop if you assume a decent starting velocity. 6mm ARC SR 6mm BR (Bench Rest) SR 6mm Lee Navy BLR 6mm PPC SR 6mm Remington LR 6mm TCU SR 6mm-06 Springfield LR 6mm-284 Winchester LR 6/6.5mm Creedmo or SR / LR 6x62mm Freres LR . 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. 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. It surprised me by shooting 1 hole 3 shot groups. 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. By the numbers, the 6mm ARC case head measures 0.440, just 0.005 smaller than a 7.6339 case. 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. 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. In fact, some prefer them for precision loads. Founded by Frank Galli in 2000, Snipers Hide has been offering informational videos, podcasts, and other support to its users in one location. 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." Recently Hornady made big news in what seems to be a proverbial drought of new products with the new 6mm Advanced Rifle Cartridge. Youll need a new barrel, bolt, and mags. All Rights Reserved. David Fortier gets a chance to shoot the HK MP7 PDW at drivetanks.com. The other rounds were in the pic were from a clean barrel and also the wind was gusting hard. . It's the size of the FP hole in the bolt face, in relation to the FP itself. What Is the 6mm ARC Cartridge? Yes. Because I just got back from the range and saw something I've never seen before. You must log in or register to reply here. Language links are at the top of the page across from the title. Yes, some reloading data are made with small rifle magnum primers. The shoulder angle was set at 30 degrees. [10] The 6mm ARC therefore can also be a suitable chambering for shorter "mini-action" bolt-action rifles. As for the selection, the burn rate chart has a listing of 22 powder options, but not all are good for semi-automatic rifles. Subscriber Services. With the current political situation, its most likely going to take me a long time to get all the parts together. All Firearms News subscribers now have digital access to their magazine content. Lock it away from potential thieves. It loads about like a regular small rifle primer. Request a price. I think it may need cleaned. So hopefully when it warms up and the wind subsides I will see if I can repeat this group. The size of the firing isn't the issue. The only powders that is available commercially that will get 105-108gr bullets to 2750fps under 52ksi pressure are temperature sensitive ball powders. 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. Overall, the 6mm ARC delivers optimum all-range performance and barrel life. 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. })(); To comment on a post, click Post Title or "Comment" Link. (6) Auto 4X4 and Five-Station Shell Plates not available. Bergers 109-gain Long Range Hybrid Target bullet produced the tightest groups of the bolt-rifle test .26- and .13-inch groups using 25.5 and 26.5 grains of IMR-8280 XBR. 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. Hornady - 5 . Velocity is not always everything, but the 6mm GT provides ample speed for its size. 6mm ARC: AR-15 vs AR-10 So why don't we all shoot the 6 BRs and be done with it? EkD>7#q4(BBFh47Nh1nF+ZB4. That makes me wonder why Hornady chose a barrel with too slow a twist after all the development work they did. 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. : 2.085"G1 B.C. A popular chamber neck diameter for the 6mm PPC is 0.262 inch, although some are a bit smaller or larger. Accurate A-2520 produced a .43-inch group at 2,886 fps, while Power Pro 2000-MR shined again. 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. Brandon explains how his company has streamlined the suppressor buying process. Hornady - 6 . These sets will not only have the required full-length sizing die to maintain proper case length, but will also completely size the body. Wolfe Publishing Company | 2180 Gulfstream Suite A | Prescott, AZ 86301. 31.2g LVL. Balanced application of cartridge, chamber and propellant design coupled with bullet selection for optimum all-range performance and barrel life. Ryan Cleckner, Gun University Read More, "I was more than dazzled, as I continued to place shots on targets all over the mountain. The #41s have a harder cup and are very popular for reloaders who shoot primarily out of an AR15 platform. Extreme caution should be taken when creating loads that go against accepted load data. Check out our current selection of 6mm GT Rifle Brass below! It's a matter of the primer cup being allowed to flow backward thru the gap. The case head remains .441 inch and the rim is .059-inch thick. You will have to trim a bunch. ALL Bulletin content is copyrighted, 2023 AccurateShooter.com. Yes it is designed to run in AR15-platform rifles. 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. Thanks for the info. Do You Need a 9mm? Faxon and Ballistic Advantage are already producing barrels, with more manufacturers sure to follow. The Headrest Safe is the ultimate in discreet storage for your valuables (gun, money, credit cards, jewelry, medicines). [citation needed]. I really hope this takes off. Why call a cartridge an Arc defined as part of a circle . For a better experience, please enable JavaScript in your browser before proceeding. The 6mm ARC uses commonly available 6.5 Grendel magazines/bolts. It seems as though the common choices are: 18" barrel with rifle length gas. The powder savings is only a couple tenths of a grain, but that can add up. The ScenarL have a longer shape over the regular Scenar, for better exterior ballistics. The last five were when the wind was consistent. Velocities were established from a 24-inch barrel. Since no case is complete without its proper toppings, we move to bullet selection. 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." Specifically, the CCI 550 Small Pistol Magnum primers and the CCI 400 Small Rifle Primers are the same size, with the same cup thickness. 2847 0 obj <>/Filter/FlateDecode/ID[<17398BDBD67F214CBB3755FAA4BE7340><20967B39C4AB1349BB25AF309099C3A9>]/Index[2829 26]/Info 2828 0 R/Length 94/Prev 197341/Root 2830 0 R/Size 2855/Type/XRef/W[1 3 1]>>stream As the story goes, Hornady developed the 6mm ARC under direction from the U.S. Department of Defense, optimizing the Grendel case to meet prescribed goals. Share the post "6mm ARC Cartridge SAAMI Specs, Build Requirements, Videos", Tags: 6.5 Grendel, 6mm ARC, 6mm Creedmoor, 6mmAR, Brownells 6mm ARC, Hornady. The Varget load had more spread than Lever. Im ordering components and needed to know what to look for. Top velocities with 108- and 110-grian bullets reached 2,575 fps. The case volume will easily allow for up to 30 grains of powder, but please wait for qualified load data to be available. Gain a deep knowledge of ballistic science and access our improved ballistic calculator. This 6mm ARC reloading data is intended for use in gas guns (e.g. 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. 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? It could easily be argued the ARC is yet another version of the 6mm PPC (which was never SAMMI standardized) actually a pretty fair assessment, though the fast rifling twist changes everything. David Fortier is with CEO of Silencer Central Brandon Maddox at Roundtable 2022. Hornady Leverevolution), use different size primers, and may use nonstandard primer flash hole sizes (regular size is .074, small .057, .110 BMG). It delivers less drop, less wind deflection and the ability to shoot accurate groups at much greater distance (1000+ yds). Heres what I have for now. When developing a new load for your 6mm ARC, or any caliber, you should start with smaller amounts of powder and pressure and work up gradually. Brownells also sells Hornady-made 6mm ARC factory-loaded ammo, but most varieties are out-of-stock right now, as is the 6mm ARC brass. If you already have an AR chambered in 6.5 Grendel, the ONLY thing you need to change is the barrel. The 6mm ARC is a better long-range performer. It may not display this or other websites correctly. Both our 6GT and 6mm ARC have 1:7.5" twist barrels. 6mm ARC: Handloading After much R&D, Hornady's engineers and staff produced the 6mm ARC (Advanced Rifle Cartridge), a short, fat, PPC-looking round that's very deceiving . The groups showed signs, at least to me, of not being adequately stabilized which is why I went to the calculator. Separate data will be provided for bolt action firearms. Lever that dirty? Our 6mm ARC reloading brass is sorted by size, . hbbd```b``:"gI~ 2.l#0qd f$3|{ 4 Give a Gift Springfield Armory Hellcat Pro CCW Pistol Review. There is room to produce inexpensive range fodder, and create some home brewed match winners. The action is an MPA/Curtis with a 60-degree bolt throw and fluted, Nitrided bolt body. You may not reproduce original text or photos without advanced permission in writing. It took 4 months to come in. Factory ammunition in a variety of bullet styles. Apocalyptic Prepping. In theory, magnum primers are more efficient and require slightly less powder to get the same velocities and power. The barrel measured .935 inch just behind the hybrid MPA muzzle brake. Hodgdon has perhaps the best variety, including H335, Varget, CFE 223, BL C(2), H4895, and their IMR 4895. (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. We promise, were not spammy, which is why we only email you twice per month. (function() { In the end if you are following good reloading procedures, load light and build up to what you want with either one.. Some report that they can even chronograph at faster speeds than with small rifle primers for that cartridge, though we havent verified this for ourselves yet. Well, the short answer is that those cartridges are a pain in the ass.