.243 bullet for military (combat) applications in modern, autoloading rifles. 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. Availability of factory ammo may be a plus for the 6ARC. In 100-200yd benchrest competition, the 6PPC is still the "winningest" cartridge around. Obviously, they are not nearly as popular as the 6mm hunting cartridges. That was the era of increasing muzzle velocity. Cold shots fell inside half an inch of the center a couple cut the red center dot. Some tactics never die, they just get regenerated. 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. [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. The strings netted three or four out of five, misses were off the edge. The IRMT upper locks the barrel in place with unparalleled rigidity. . 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). My handloads for the round have all been for Missouri deer, and I can confidently recommend my favorite. It is versatile, in that it is suitable in both ARs and mini-bolt guns for hunting, personal protection, and target shooting. You get most of the good without most of the bad and that is a pretty good start. The 6mm CM at 300yds is 2514 and 1446 and 6mm ARC is 2288-1197. Not a contest. Facebook; Twitter; Pinterest; Related Articles. The short reality is somewhat different. You are using an out of date browser. This increased size means the 243 has a case capacity of 53-54.8 gr H2O. Joined: Jun 2002. WT?, Tactical Time Lord. Straight-wall rounds like Winchesters little 350 Legend may be the only centerfire rifle cartridges legal for deer hunting in some states, so of course theyre going to be popular. Shooters needed cartridges that would fit these increasingly popular, super-short actions. Hornady is claiming its 6mm ARC will yield 2,750 fps with a 108-grain ELD-M bullet from a 24-inch barrel. The 6.5 Creedmoor shoots 6.5mm/.264 class projectiles while the 6mm Creedmoor is necked down to shoot 6mm/.243. Mag. I did not have time to work up a load for accuracy, so Ill defer that discussion for a future post. 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. The 224V and 6 ARC were identical to shoot and will probably stay my dedicated 1000 yard rifle (s) both ringing steel pretty easily. It depends on numerous factors, including ammunition used, barrel used, and the shooter's skill, but in general, 6mm ARC is a more precise cartridge. !function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0],p=/^http:/.test(d.location)? What does all this mean? That will undoubtedly change, but not overnight. 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. Here was my strategy to extrapolate my results to the likely scenario of the 24 test barrel: Heres the work-up: (pressure listed is MAX projected, not average). Hornady found a solution with the 6mm ARC. Dave Bahde Dr. WT? All of these are heading in the opposite direction. Hey Gavin and fellow Ultimate Reloader Fans: I had a chance to do more testing today as I finally received some Hornady factory 105 grain Black ammunition. 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. Its small, and its availability is limited, but its accuracy and ballistic performance really qualify it for the Great category. Some tactics never die, they just get regenerated. Eight reasons to embrace the Hornady 6mm ARC and other low-velocity cartridges. Copyright 2000-2023 24hourcampfire.com, Inc. All Rights Reserved. I got hold of the barrel and some ammunition, the rest was already around and was mounted in a proven build, my Seekins Precision NX15. H4895 with 5-shot groups from the high .5s to 1.0 MOA. This rifle originally started out as a 224 Valkyrie using their IRMT upper and NX15 lower. It has had moderate success in various target venues. Ok from the perspective of one 6mm ARC lover. After consulting Quickload, I also shamelessly lifted Gavins 27 grain VARGET load under 108 ELD-Ms. My Ballistic Advantage barrel is a little different than Gavins. Dropped on my M16 lower doubles and triples stayed on a full-sized silhouette out to 25 yards, stretched doubles to 50 yards. All of the design criteria that went into the 6.5 Creedmoor that make it a top performer were also used in the development of the 6mm Creedmoor. 6.5 Grendel The 6mm ARC delivers comparable performance from a wider assortment of bullets, making it a more versatile choice. Variations on a theme. This increased size means the 243 has a case capacity of 53-54.8 gr H2O. The difference between the 6 mm BR Rem and the 6 mm BR Norma are slight, but in a tight chamber . 6BR is the easy buttonstandard bolt face, top-quality brass, 30.0gr Varget under any 105-108gr match bullet to start. The 6x45 is the .223 Rem. Poll: What handgun cartridge do you reload most often? I had a 20 AR-15 to test with, so I had to do some math :). This made sense. There is no reason that it shouldn't, it is basically a blown out 6mm PPC which is probably the gold standard for accurate cartridges. Its almost boring. The 6 ARC proved at 2720 fps with a Density Altitude of 8800 feet. The 6mm ARC was built by necking down the 6.5 Grendel. V-MAX Item No. It is a 6 BR REM barrel that came off a rifle that I bought for the Remington 600 donor action. 6 BR REM, not 6.5. Do not attempt to repair or modify any firearms based on information on this website. When youre shooting dozens and dozens of rounds in a single competition, barrel life matters. Factory match rounds start at 155 grains and go up. was necked up to 6mm and called the 6x47. And just in case some hunter wanted to knock off a deer with his .244 rifle, the company also offered a 90-grain loading. The 243 has a case length of 2.045" compared to the 1.49" of the 6mm cartridges. The 24 Nosler is a terrific performer, so dont let its small size fool you. Blue collar reloading had 25 boxes of brass right now. Follow @UReloader Modern Outfitters MC7, Proof Research 22 6CM, Bushnell Elite Tactical XRS 4.5-30, Hornady 108 grain ELDM. projectiles make up for their lower MV with less wind deflection, the toughest variable to battle at long range. I used the lathe to modify a 6.5 Grendel bushing die and ended up with a 6 ARC die. Lower velocity means less flame and heat for longer barrel life. Learn the difference between revolvers and semi-auto pistols and what makes them different. So adopting the cartridge should be, for many shooters, convenient and affordable. Before there were scopes or red dots there were iron sights. Party-poopers will gleefully point out that the 6.5 Grendel was based on the 6mm PPC case necked up, and here it is necked back down to 6mm. This data and these techniques can not be assumed to be safe. 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. Lets break down a few things about this number: So if you have a 24 bolt-action 6mm ARC rifle, thats the velocity you should expect. pavementends Junior Member. Just looking for a ball park difference. Typical social media and industry speculation fired up with a fury. Its release as a commercial round was presaged by a number of successful 6mm wildcats like the 6mm AR based on the Grendel. Accordingly, the firm introduced two loads. 6mm ARC vs 6.5 Grendel. As for the 6ARC, I would take a vital shot at 600 meters without hesitation given a solid platform. It is NOT for use in AR-15 style (gas gun) rifles. H-4895 is closer to the 6.5 Grendel sweet spot, so I thought it would be worth a try. Its accuracy is simply phenomenal, and it makes a superior varmint cartridge. Here I am shooting a Smith & Wesson M&P chambered 5.56x45mm. pathfinder76 #14942491 06/04/20. 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. : 2.095" G1 B.C. '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. They still do. It was the wildcatters who brought it back to life by fiddling with a couple of popular designs. In the 1970s, I had a Remington Model 700 BDL so chambered, and I took my first Texas whitetail with it. 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. The suppressor is an X2Devgroup, Orion X. Its short at 6, light at 16 ounces, and has no backpressure eliminating excess gas. It hits way above its weight class. 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. In the case of a bolt gun, I'm sure 6ARC would do great but 6BR has quite a few advantages in case/neck dimensions alone. (The company envisioned it as primarily a deer-hunting round, with occasional use on varmints.) It accepts all the same components as the Grendel, including the magazine and bolt, so all you need is a 6mm-specific barrel. I did not try to shoot past 900 today because of limited ammo and Applied Balistics indicates that at 2550 FPS MV these 108s are going transsonic just past 900 and I didnt want to waste the last few shots. Did the 6 ARC outperform the .223? Poll: What Progressive Reloading Press Do You Use Most? Advanced Marksmanship Unit. 223 Rem., and most other cartridges that fit AR-15 length magazines and rifles. 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. Powered by UBB.threads PHP Forum Software 7.7.5. Copyright 2020 SHWAT | All Right Reserved. bullets of the 6mm Creedmoor. There is nothing more competitve than a 6BR Norma when the wind is consistent or low. I cant speak for the ARC, but for the 6BR. [5] Lighter and tougher and more precise than ever, it's the perfect back country hunting rifle. Posted: 11/11/2012 6:04:07 PM EST [#2] Velocity with a 105gr bullet from both is 2750 fps. muvef Junior Member. Precision Rifle Podcasts - 4 Podcasts Hosted by Top 10 Shooters. The newest 6mm factory round is the recently announced 6mm ARC (Advanced Rifle Cartridge).
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