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There are 6ARC bolt guns out there. That was the era of increasing muzzle velocity. Federal has created a safer, easier and more reliable way to shoot a muzzleloader. The sudden popularity of the AR-15 platform rifle has inspired a flurry of new, short cartridges that fit its short magazine. I wont even mention primers as that is just generic across the board with any caliber at this point. The 6mm Rem. The newest 6mm cartridge is the 6mm ARC, which Hornady just introduced. Many shooters necked the BR case down, and a 6mm version ultimately became the 6mm BR Remington. Honey Badger, XM2010, C22, R4, MSR, CSR, AAC, BARNES BULLETS (https://www.youtube.com/watch?v=ykTfyrMiXps). It fits in an AR mag. F-Class A to Z with Erik Cortina + Special Guest! Just pouring powder in and checking it by eye. I chose to start with Varget because of what I read about 6mm PPC, and I have a lot on hand! And it made the new round available in the very attractive and accurate Model 700. The powder loads for the test spanned 1.6 grains and I fired 24 shots and only two were more than 1 MOA out. The 243 has a case length of 2.045" compared to the 1.49" of the 6mm cartridges. Copyright 2000-2023 24hourcampfire.com, Inc. All Rights Reserved. Did not hit as hard but it was no slouch, anything it hit would notice for sure. The current reincarnation of this round is the 6mm BR Norma, with essentially the same case dimensions. What explains that? The 6 ARC proved at 2720 fps with a Density Altitude of 8800 feet. Above: 6mm ARC case capacity measured 33.96 grains H2O. The cartridge was developed by Noslers Mike Lake, and it was approved by SAAMI in 2017. The only difference is the Proof Research 18 1-7.5 twist barrel, 6.5 Grendel bolt, and E-Lander magazines. It is based on the .308 Winchester case, necked down with no other change. Posted: 11/11/2012 6:04:07 PM EST [#2] Velocity with a 105gr bullet from both is 2750 fps. I tested a bolt-action handgun in 24 Nosler last year and was so impressed with the round that I had a Remington Model 700 originally in .223 Rem. From a precision standpoint, 6mm ARC does tend to beat 224 Valkyrie. I have the 6 ARC and getting great results of .250 groups when I do my part. All Shooting Times subscribers now have digital access to their magazine content. 75 GRAIN BULLETS SECTIONAL DENSITY: 0.181 DIAMETER: 0.243" 75 gr. LMT shot softer, exhibited a tank-like build, and proved great to shoot. This means that during a 1,200-yard flight to the target, gravity and wind will pull and push on the 6 mm ARC between one- and three-tenths . Those held a water weight of 34.74 grains with a SD of .14 grains. Doesn't the 6mm ARC have a smidge more powder capacity over the 6mm BR? Larue Tactical two-stage, small parts are Seekins, the stock is an LMT. Her 6mm Creedmoor rifle is light and handy and shoots like a house afire, and recoil and muzzle blast are modest. The 6mm bore diameter had all but faded by 1955; the only popular 6mm cartridge prior to the release of this pair was the 6mm Lee Navy cartridge, and that cartridge was virtually obsolete by the 1930s. Supporter. Standard practice is to start tweaking burn rates, bullet weight and weighting factor to make calculated muzzle velocity match actual. 6 BR REM, not 6.5. Savage already offers a few more inexpensive options in 6mm ARC though defiantly not a mini action. L. to R. are Berger 95-gr. Lapua brass is easy to find, however the bullet (105 Hybrid) and powder (Varget/H4895) most run will be tough to find. So far, I have not laid my eyes or hands on a single 6mm ARC cartridge or rifle, so I will withhold judgment until I test one. For an ordinary AR-15 rifle chambered for the .223 Rem/5.56mm NATO, a new barrel, magazine and bolt are required to convert to the 6mm ARC. My speed is significantly slower ( 50 FPS) than Gavins at 2552 FPS with an SD of 6. was everything the .244 Rem. Your email address will not be published. ELD-Match, and Berger 115-gr. Poll: What Rifle Cartridge Do You Reload Most Often? While it is the same length of 20, my twist is faster at 7 rather than Gavins 7.5. He gave it a 32-degree shoulder and called it the .243 Rock Chucker.. You are here: Home > AR Parts > AR-15 Parts > AR-15 Upper Parts > AR-15 Barrels > 6MM ARC AR-15 Barrels 6MM ARC AR-15 Barrels Showing 1 - 16 of 16 items Sort By: Go Page of 1 Save my name, email, and website in this browser for the next time I comment. Salmon River Solutions: Ulra-Light Brakes, Rails, and more, Area 419 Orange Vise Maintenance and Barrel Change Jaw Kit, Hands-On: Phodera Armory Hill Country 30 Caliber Suppressor, Rifle Reloading Basics Pt1: Safety and Brass Tumbling, NEW Dies from Area 419: M-Series Sizer (In-Depth), Perfect Primer Seating with Frankford Arsenal, RCBS Lightweight Partner Press Unboxing and Overview, TESTED: Double Alpha Academy Turbo Case Feeder, Unsolved: 44 Magnum Over-Pressure Mystery, RCBS Lock-Out Die Part II: Setup and Maintenance, RCBS Lock-Out Die Part I: Theory of Operation, Reloading Safety: Powder Check Systems Overview. Snipers Hide is a community of Snipers of all kinds, focusing on long range shooting, accuracy, and ballistics. In my next story Ill be deep-diving on the CMMG Endeavor 20 6mm ARC AR-15, and will be stretching its legs to greater distances. Handloads are easy to prepare, and while my limited use of the .240 Wby. I had a 6mm Norma BR built on a Remington 700 and I could not get it to feed from the magazine. One other fine 6mm round is the .240 Weatherby Magnum. The 6 ARC can be built on mini actions such as the CZ 527, Howa Mini, Sako AI. The problem is that Hornady, which developed the 6 mm ARC, made a slight alteration to the case length so that it would be compatible with very long 6 mm bullets that have a high BC. The pair developed the .22 PPC in 1975, and the 6mm PPC followed in 1987. This rifle originally started out as a 224 Valkyrie using their IRMT upper and NX15 lower. In very simple terms, the 6mm ARC's exterior ballistics exceed . No math test required. Availability of factory ammo may be a plus for the 6ARC. This is, after all, a rifle forum and accuracy matters! Follow up to the above. Give a Gift was introduced in Remingtons Model 722 short-action bolt gun, and while the Model 722 was a very accurate rifle, it was rather plain. Joined: Jun 2002. At the moment, it remains a proprietary caliber with one source of magazines and ammo, unproven. What follows is my experience shooting the 6 ARC compared to five other calibers. Not liking Factory ammo so much as the longer OAL is a fair bit more difficult to load the magazine. Learn the difference between revolvers and semi-auto pistols and what makes them different. The 6mm CM at 300yds is 2514 and 1446 and 6mm ARC is 2288-1197. I cant see it, but for those who like to try something different its is a really nice option. Absolutely, but not significantly better than the 224V with the 90 grain SMK. I shot out to 700 yards next with .4 to .5 MOA accuracy and ended the day putting 3 out of 3 shots on the 900 yard gong in a .4 MOA group. Sort by. The 6mm Advanced Rifle Cartridge (6 ARC) by Hornady is a new cartridge that can fire a sleek 6mm (.243) caliber projectile around 2,700 fps with minimal recoil and the 6mm ARC is short enough to fit within the dimensions of a standard AR-15 magazine and it performs very well out of an AR-15 with an 18 inch barrel (what we tested). 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. 2730 FPS and way over-pressured though SDs were single digits, groups were all just over 1.25 MOA. I wasn't going to take a shot at more than 50 or 60 yards and would take my time before I squeezed the trigger. Poll: Where are you finding reloading primers and powder? My handloads for the round have all been for Missouri deer, and I can confidently recommend my favorite. I think the point of the arc is that it works in an ar 15. Photo shows 5 popular short rounds for the AR 15 platform, same short action the Hornady 6mm ARC is engineered to fit. 6mm ARC vs 6mm BR. But on paper it looks promising. The Remington 600 action that it came off was set up as a single shot rifle, no magazine assembly, and the Fajen stock was inletted just deep enough for a 1/2" thick aluminum platform to lay the cartridge on. The 6mm Creedmoor and it's smaller siblings like the 6mm Dasher, BR . As the dust settled and reality set in this dissipated a bit. Thanks in large part to new, long-range shooting competitions, our acceptance of lower velocity accelerated even as muzzle velocities decelerated. The difference between the 6 mm BR Rem and the 6 mm BR Norma are slight, but in a tight chamber . 6mm ARC is so new that as of the writing of this article, published load data did not exist! Mid-20th Century 24-calibers shoot much faster than the new Hornady 6mm ARC, but are they ballistically better? with a collective yawn and flocked to the equally new and elegant Winchester Model 70 Featherweight in .243 Win. With the super bullets and modern powders of today, I cant imagine a better deer and antelope round. Slightly bigger still is the 6CM, which invokes much cooler H1000 powder (to best all these in barrel life). After entering my measured capacities, measured muzzle velocity with 27 grains of VARGET under the 108 ELD-M of 2554 is now within 2 FPS of Quickloads estimated 2552 FPS. What does all this mean? This morning, using the same scale and method as Gavin, I measured the case capacity using water weight in two sets of fired but not resized cases. That bullet and Hybrid 100V powder recently grouped into a remarkable 0.44 inch in a Ruger Model 77R. 1,461. Before there were scopes or red dots there were iron sights. H4895. In 1955, on the heels of the .243 Win., the .243 Rock Chucker was modified slightly by Remington and became the .244 Remington. The faster a bullet leaves the barrel, the farther it flies before hitting the ground, the less it deflects in crosswinds, and the more energy it carries when impacting the target. remains a solid performer with todays high-tech bullets, new powders, and fast-twist rifle barrels. That wont change and logistically the 6 ARC is still at baby steps. The factory 105s shot at 2662 FPS with an SD of 11 as measured by a Labrador. So adopting the cartridge should be, for many shooters, convenient and affordable. Outside a few very special special units, the military gets whats issued. bullets from the magazine and not be limited to being a single shot. In an effort to salvage the .244 Rem., in 1963, Remington changed the name of the round to 6mm Remington and the barrel twist rate to 1:9 inches. Savage Model 110 Timberline 6.5 Creedmoor Rifle: Full Review, SIG Sauer P365 Pistol Now Offered in .380. The Hornady manual states that this second set of data should not be used in gas-guns. It is reported to be very accurate, but its aura is eclipsed by the shadow of the 6mm PPC. The suppressor is an X2Devgroup, Orion X. Its short at 6, light at 16 ounces, and has no backpressure eliminating excess gas. After forming some cases I shot Berger 105 hybrid targets over 27.5 grs. The 6.5 Grendel products deliver about 25.3 inches of drop at 400 yards when the rifle is zeroed to 200 yards. Those who are going to like or prefer the 6mm ARC will likely appreciate the 6mm ARC for its utility in either the AR 15 platform & or the mini action bolt action rifles. rebarreled to 24 Nosler with a stainless-steel, three-groove PAC-NOR barrel. For this load, I shot a group of 3 shots on the chronograph, and observed the following: (better chrono data coming in future stories, I had limited components and time). if you are going to reload for it and want to shoot light bullets. Velocity can be a factor, but given the same weight, recoil should be similar so I kept the weights as close as possible. The Eagle Eye 6.5 Creedmoor shoots a 130gr hybrid projectile with a .295 G7 at 2,960fps from an average 26" barrel. It still turns the steel and is very consistent holding 9 mils at the top. Your email address will not be published. | 0 comments. Both were termed Pointed Soft Point Core-Lokt bullets. With the 6PPC you have to turn necks and fire-form the cases from smaller 220 Russianbrass. Here I am shooting a Smith & Wesson M&P chambered 5.56x45mm. 2023 Outdoor Sportsman Group. You can get the 6XC brass in Norma which is very good. The new Mossberg rifles chambered for the new 6mm ARC should give similar results with even less recoil -- not that the old 243 Win. GD. NOTE: This 6mm ARC reloading data is intended for use in bolt action rifles safe for pressures up to 62,000 psi. Hornady BLACK 6mm ARC 105 Grain Boat-Tail Hollow Point Match Centerfire Rifle Ammunition, 20, BTHP Match (Save 10%) $34.99 $1.75/Round. Posts: 38 Threads: 10 Joined: Aug 2020 #1. 'http':'https';if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src=p+'://platform.twitter.com/widgets.js';fjs.parentNode.insertBefore(js,fjs);}}(document, 'script', 'twitter-wjs'); 2023 Copyright 2023 Ultimate Reloader LLC. I had a heavy-barreled Sako single shot in the 1970s, and it shot like almost all 6mm PPCs: great. Only a few metric calibers have been really popular in the United States6.5mm and 7mmso the Great 6mms are relatively few in number. There is no magnum behind those titles, yet they are fastest or close to fastest in their calibers. Contact ultimate reloader by clicking here. 6.5 Grendel vs. 6mm ARC Ballistics. At 400 yards, it has an average bullet drop of 22.2 inches. Jeff, did you mean to type - 6.5BR? Review: Hornady 6mm ARC. In the 1970s, Remington experimented with a .308-sized case that was about 1.5 inches long and had a small primer pocket (like the PPCs). The handguard bolts to the upper eliminating impact shifts when setting the bi-pod or locking into a barricade or obstacle. Played at other stuff with the 6 ARC but that was the bulk of the testing. Just looking for a ball park difference. Remington surmised that the .244 would be used mostly as a varmint cartridge, with only an occasional application on deer-sized game, so the initial factory ammo was loaded with a 75-grain bullet. MV consistency matters a great deal at extended ranges. Cleaned it all but twice missing one cold shot at this range. Consider the 7mm, 300, 338, and 375 Remington Ultra Magnums. Campfire Outfitter . Hi Gavin, See full disclaimer below. Years ago I authored an article titled Lies, Damn Lies, and Ballistics. In most woods that I was hunting in at that time, I couldn't . If you are looking for reams of data or ringing steel the size of a car move on, I am NOT that guy, you will be very disappointed. It debuted in 1955 and has been immensely and justifiably popular ever since. Subscriber Services. Blue collar reloading had 25 boxes of brass right now. Dave Bahde Dr. WT? I used the lathe to modify a 6.5 Grendel bushing die and ended up with a 6 ARC die. Hornady is claiming its 6mm ARC will yield 2,750 fps with a 108-grain ELD-M bullet from a 24-inch barrel. That doesnt take anything away from what the 6 ARC does and the companies who developed it. Long-range precision shooting is one of the fastest-growing segments of the shooting sports. 6mm ARC vs 6.5 Grendel. What does the 6 ARC do that the 6 BR REM hasn't been doing for over 50 years? A World Record Attempt and everyone is out at the range shooting and practicing.