.563) from wobbling, the 6mm ARC will need at least a 1:7 twist. I also measured five fired but not resized factory 6mm ARC cases. The benchrest crowd has not been overlooked in the 6mm derby, and one cartridge literally rewrote the record book. 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. Ballistically, thanks mostly to heavy-for-caliber, high B.C. Travis224 Sergeant. You can boost the performance of the 6mm ARC in a bolt action quite easily. The 6mm Creedmoor and it's smaller siblings like the 6mm Dasher, BR . Sectional densities are similar, and both should be good penetrators. It suffered no vertical stringing. Only a few metric calibers have been really popular in the United States6.5mm and 7mmso the Great 6mms are relatively few in number. Both bullets produce deer-slaying accuracy. When youre shooting dozens and dozens of rounds in a single competition, barrel life matters. The 24 Nosler is a terrific performer, so dont let its small size fool you. Powder selection is easy: Just stick with CFE 223 and all will be right with the world. Both can produce sub-MOA groups, but 224 Valkyrie seems to spread out faster than 6mm ARC. Were going backwards! .243 bullet for military (combat) applications in modern, autoloading rifles. Let us count the ways. I'm thinking most, if not all of these are bolt actions, but there are plenty of AR rifles ready to chew up a few thousand 6mm ARC rounds for you. ), 6mm ARC brass (new), 6.5x47 (New) Sierra 6mm Gamechanger 90gr and 6.5 130gr Gamechanger, Update on my BadRock 6mm ARC bolt gun and new Hornady Podcast, Custom 700 in 6mm Norma BR (ARC, Timney, Bartlein) *Price drop*. remains a solid performer with todays high-tech bullets, new powders, and fast-twist rifle barrels. A new 6mm round blossomed in 2017, and it has already taken a position in the Great category. For a better experience, please enable JavaScript in your browser before proceeding. 260RemGuy: I began a five year long search (bribery fest!) ARC stands for "Advanced Rifle Cartridge." The caliber is 6mm or .243. 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. This colored our perception of lower velocity rounds. Accuracy was good, with one group I captured on camera (see video) measuring 0.750: I decided to see how fast a 95 grain bullet could be propelled by the 6mm ARC, so I turned to some 6mm Berger Classic Hunter bullets I had on hand, and Ramshot TAC powder. Poll: Whats your number one reason for reloading? Check one out and join the race to the bottom. They held a very consistent 34.58 grains of water. [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. Making those tweaks often feels like creating a powder that doesnt really exist. Reply. Like the grendel though you probably don't want to run high pressures on an ar bolt though. There are 6ARC bolt guns out there. Hornadys 80-grain GMX and 103-grain ELD-X and the Speer 90-grain Hot-Cor all are accurate and deadly. The 6mm Rem. Supporter. All testing was completed using 108 grain ELDM from Hornady. I doubt that the book on the Great 6mm cartridges is closed, and future developments may add new chapters, to the delight of many shooters. Brought out by Hornady just a few months ago, this moderate-sized round is based on the 6.5 Grendel and shares similar rim and body dimensions. The IRMT upper locks the barrel in place with unparalleled rigidity. Custom Mossberg 500 at the Range and Live Turkey!. This is fortuitous, as it is a delight to reload and seems to like just about all the bullets Ive tried in it. has much kick to start with. Using QuickLoad, I worked up the following load: For this load, I shot a group of 5 shots on the chronograph, and observed the following: This load produced very mild indications of pressure on the case rim, and functioned in the rifle well. was necked up to 6mm and called the 6x47. Full house loads will likely burn about 27- to 29-grains of suitable powders such as H4895, Reloader 15, and AA 2520, so handloads should be relatively inexpensive to build. Hornady BLACK 6mm ARC 105 Grain Boat-Tail Hollow Point Match Centerfire Rifle Ammunition, 20, BTHP Match (Save 10%) $34.99 $1.75/Round. Some tactics never die, they just get regenerated. All Shooting Times subscribers now have digital access to their magazine content. has not been on game, some loads stand out. 6mm AR (L), 6mm BR (R) Good luck, John 1shot Mar 4, 2013 #4 Mag. Top loads used H322, W748, and Reloder 7 powders with 65-, 68-, and 75-grain match bullets. The .244 Rem. If this rifle is any indication all it took was a barrel, bolt, and magazine swap. I have the 6 ARC and getting great results of .250 groups when I do my part. [10] The 6mm ARC therefore can also be a suitable chambering for shorter "micro-action" bolt-action rifles. 6mm ARC vs 6mm BR. This increased size means the 243 has a case capacity of 53-54.8 gr H2O. Maximum Cartridge Overall Length is 2.26. The old 243 Winchester can beat that by about 300 fps. Probably the most recoil came out of the 6 Creedmoor. (Ret.) The .223 75-grain bullet, by contrast, drifts more than 15 inches at that range, and the ARC's advantage becomes more pronounced at longer ranges. Given this or your typical AR10, no contest, the 6 ARC is much easier to carry. Mag., the 6mm-204 essentially recreates the 6x47. If this development strikes you as the opposite of progress, you might have spent the bulk of your life in the 20th century. The 6mm ARC is basically the 6.5 Grendel necked down to hold a .243 bullet with the 30-degree shoulder pushed back a smidgen. And just in case some hunter wanted to knock off a deer with his .244 rifle, the company also offered a 90-grain loading. 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. LMT shot softer, exhibited a tank-like build, and proved great to shoot. Velocities were established from a 24-inch barrel. We show you how. Sort by. Slightly bigger still is the 6CM, which invokes much cooler H1000 powder (to best all these in barrel life). It was the wildcatters who brought it back to life by fiddling with a couple of popular designs. Give a Gift The 6.5 Creedmoor shoots 6.5mm/.264 class projectiles while the 6mm Creedmoor is necked down to shoot 6mm/.243. Our real questions are (A) What is the 6 ARC, (B) What does it do, and (C) is it doing something better than what you already own and love? Unlike the WSSM, the Hornady 6mm ARC was engineered around a long, high B.C. The Barnes 80-grain Tipped Triple-Shock BoatTail sizzles with a velocity of 3,226 fps with a safe loading of VihtaVuori N550 powder, and the Speer 90-grain Hot-Cor can easily achieve 3,115 fps with VihtaVuori N160. The Mossberg 500 Pump Action Shotgun is one of the most popular home defense shotguns on the market. 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]. The only difference is the Proof Research 18 1-7.5 twist barrel, 6.5 Grendel bolt, and E-Lander magazines. Unless youre carrying this into combat, Im not sure it matters. Follow @UReloader My wife has a Ruger American in 6mm Creedmoor, and it is the only round that has been able to pry her away from her beloved .270 Winchester. The rim diameter of the 6mm ARC is 0.441 inches, while the 243 is slightly larger at 0.471 inches. Savage already offers a few more inexpensive options in 6mm ARC though defiantly not a mini action. I know what. Unlike the NGSW the 6 ARC is a standard cartridge fired from an AR-15. Thanks Find. With more case capacity, the 6mm BR can drive the heavier, higher BC bullets needed at long distance. This rifle originally started out as a 224 Valkyrie using their IRMT upper and NX15 lower. I also confirmed velocity for existing conditions. shoots the same cadre of 0.243-inch bullets as the .243 Win. Do not attempt to repair or modify any firearms based on information on this website. Dropped on my M16 lower doubles and triples stayed on a full-sized silhouette out to 25 yards, stretched doubles to 50 yards. Who knew wild turkey's were so stupid!? L. to R. are 223 Rem., 6.5 Grendel, 6.8 Rem. The .223 does have advantages, though. It will be interesting if they chamber this in micro-action bolt carbines like the Grendel has been. Accordingly, the firm introduced two loads. As you can see, velocities differ by 170 - 220 fps, with the lighter 6mm ARC moving faster from the compact case. As the heaviest rifle tested recoil with the LMT Mars-H in 6.5CM was about the same as the Zev in .223 Wylde, the next best performer for groups. Really liking the 6mm Arc in this CZ 527 platform. Given the need for a centered shot on a 6 roundish target from 100 to 300 meters, I would take it without hesitation. We're going backwards! Posts. Because it fires heavier projectilesup to 110 grainsthan the 5.56 at velocities up to 2,800 fps, the 6mm ARC has the ballistics needed to vastly improve the performance of AR-15 rifles without a lot of added weight. of Israeli Defense Forces, joins David Fortier for an exclusive interview for Shotgun News. According to some of the PRS crowd it lets you spot shots through your scope. So, the 6mm ARC outperforms any magazine length 5.56x45mm NATO load simply through a combination of sheer horsepower and more efficient projectiles. Benchrest (BR) shooters will go to almost any length to shave 0.001 inch off of their aggregate average, and there is a diverse assemblage of 6mm wildcat rounds for BR shooters. Once we could pinpoint exact distance to target, maximum velocity didnt matter as much. Thanks in large part to new, long-range shooting competitions, our acceptance of lower velocity accelerated even as muzzle velocities decelerated. It's no surprise Hornady chose a 6mm bullet, either. Interestingly enough, my history with 6mm rounds began with the 6mm Remington. 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. Thank you for this timely video. Learn more here: http://bit.ly/1G7xXag. The current reincarnation of this round is the 6mm BR Norma, with essentially the same case dimensions. It recoils about 50% less than any long-range 308 Win. Thankfully most bantering moved back to more pressing issues like high demand (and low supply) of firearms or ammunition and that pesky election coming up in a few short months. Larue Tactical two-stage, small parts are Seekins, the stock is an LMT. What does all this mean? Even with the cost of the Proof Research barrel it doable. Variations on a theme. 6mm ARC has the potential to be the most versatile cartridge of all time for a few reasons: (1) 6mm ARC can handle projectiles anywhere between 55 and 115 gr. Tests varied from 100-1100 meters (110-1200 yards, for the metrically challenged). V-MAX Item No. Wait a minute. Some smaller capacity, low velocity rounds are tailored for sub-sonic, low-report firing for clandestine military engagements. I think the point of the arc is that it works in an ar 15. 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.