Years ago I authored an article titled Lies, Damn Lies, and Ballistics. Follow @UReloader
You might be surprised to discover you've come out on top! Or anything? I have a precision set up AR in 224 Valkyrie. Commercial 6mm ARC loads feature bullets selected to deliver ideal performance for hunting, match shooting, and personal protection applications. .embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; height: auto; } .embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }, Ultimate Reloader LLC / Making with Metal Disclaimer:(by reading this article and/or watching video content you accept these terms), This section is from my 6mm ARC Announcement Post. Some examples include the 6mm-204 and the 6x45. Has any one who has both ever measured the case capacity (H2O) My google foo has failed me. Not only did the rifle have a nice checkered American walnut stock, but also the light barrel was a handy 22 inches long. If you want to shoot at distance with your AR-15, this is the cartridge. 07-08-2022, 07:47 PM . Long-range precision shooting is one of the fastest-growing segments of the shooting sports. Hornady BLACK 6mm ARC 105 Grain Boat-Tail Hollow Point Match Centerfire Rifle Ammunition, 20, BTHP Match (Save 10%) $34.99 $1.75/Round. I previously tested them in other calibers. Both hit at around 12 mils, the 6ARC just hit harder. It stays supersonic farther downrange than the 308 Win. For me because I have a cz527 I can convert enough said. With the super bullets and modern powders of today, I cant imagine a better deer and antelope round. 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. VLD, Hornady 108-gr. '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. ), 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*. Tests varied from 100-1100 meters (110-1200 yards, for the metrically challenged). 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. Whats more: Its already SAAMI approved! Consistency remained about the same with 2 or 3 out of five the norm. Barrel-length is an issue. Take a look at any good ballistics program Hornady and Federal both have an easy-to-use program on their websitesand you'll see the advantage of the better B.C. Which it does pretty well within those limitations. In addition to the above comments there is some confusion regarding the 6 mm ARC's performance. 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. Im interested in a direct comparison to the 224 Valkyrie and the 6 mm ARC. I fall into the latter category. Claims for the 6mm ARC are that it is better in every category. This is only a slight victory, however. 6mm ARC vs 6mm BR. 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. The case capacity of a 6mm AR is about 36 gr. This increased size means the 243 has a case capacity of 53-54.8 gr H2O. Heres a quick look at the best of this cohort. has not been on game, some loads stand out. Subscriber Services. The Hornady 6mm ARC takes the 24-caliber into record territory the slowest muzzle velocity of any commercial cartridge propelling .243 bullets. The rim diameter of the 6mm ARC is 0.441 inches, while the 243 is slightly larger at 0.471 inches. Joseph Von Benedikt visits with Aaron Oelger from Hodgdon about the unprecedented demand on the shooting supply industry. The powder charge I used then is lost to history, but the bullet was a Speer 90-grain SP. The 6mm ARC uses commonly available 6.5 Grendel magazines/bolts. Honey Badger, XM2010, C22, R4, MSR, CSR, AAC, BARNES BULLETS (https://www.youtube.com/watch?v=ykTfyrMiXps). That will undoubtedly change, but not overnight. In the 1970s, the .222 Rem. Due to the lower MAP, the performance of 6mm ARC ammunition loaded to gas-gun pressures will, on average, be less than firearms loaded to bolt action pressures when using the same barrel length. Dropped on my M16 lower doubles and triples stayed on a full-sized silhouette out to 25 yards, stretched doubles to 50 yards. However, I would not want to carry it far. I was lucky enough to get my hands on one of the first CMMG Endeavor 300 6mm ARC AR-15 Rifles, and it has been awesome to shoot! Hornady found a solution with the 6mm ARC. | 0 comments. Advantage, magnum. 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. 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. The original 6 mm/.244 Rem is basically the .257 Roberts/7x57 case necked down, while the 6 mm BR Rem/Norma (only slightly different case specs between them) are much shorter cases. If you have any doubt how well Hornady does this look no further than the 6.5 Creedmoor. H4895. Short, fat cartridges leave room for long necks that hold long, high B.C. 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. They held a very consistent 34.58 grains of water. bullets. Clearly better to galivant around the countryside with then an AR10. [5], The cartridge makes use of 6mm (.243 in) bullets, which are known for their high ballistic coefficients due to the high sectional density with less drag and better energy retention at extended ranges. I'm a 6.5x47 lapua man myself. They still do. Its almost boring. 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). 2730 FPS and way over-pressured though SDs were single digits, groups were all just over 1.25 MOA. projectiles make up for their lower MV with less wind deflection, the toughest variable to battle at long range. Posts: 38 Threads: 10 Joined: Aug 2020 #1. The cartridge was developed by Noslers Mike Lake, and it was approved by SAAMI in 2017. You won't have to fiddle with necking/reforming in 6XC. The 6.5 Grendel products deliver about 25.3 inches of drop at 400 yards when the rifle is zeroed to 200 yards. Many handloaders like the 6mm Rem.s sharper shoulder and longer case, and while its not nearly as popular as the .243 Win., it is nonetheless a great 6mm round. Those I know that can pick their own stuff are still proving out the 224V and many like it, not sure the differences are enough right now, time will tell. Probably not. Designed to meet the needs of the worlds toughest critics, the 6mm ARC utilizes efficient, high-BC bullets to deliver unprecedented performance from the AR-15 platform. Hornady's new 6mm ARC was designed for a specific military requirement; the 108-gr. LMT MWS, 20 224V, Sig Sauer Tango 6, 3-18 MRAD Dev-L using Federal GMM 90 grain SMK and an 18 SS Match 6.8 SPC with 110 Grain VMAX. can exceed it by 500 fps and the 240 Weatherby by 600 fps. Any discussion of great 6mm cartridges must start (some would say end) with the .243 Winchester. The hunter can add about 100 to 150 fps of additional velocity to most game-weight bullets. Based on my best estimation, my H-4896 108 ELD-M load would produce approximately 2,754 FPS in a 24 bolt-action rifle. In very simple terms, the 6mm ARC's exterior ballistics exceed . If you are looking for 6mm ARC ammunition, components, or parts/gear, check out the following: Dont miss out on Ultimate Reloader updates, make sure youre subscribed! Or hunting? I had three high capacity magazines using white followers, two 17 rounders with green followers. I'm pretty sure that the dies were marked 6 BR REM. Savage already offers a few more inexpensive options in 6mm ARC though defiantly not a mini action. Hornady 6mm ARC Losing Ground Hornady is claiming its 6mm ARC will yield 2,750 fps with a 108-grain ELD-M bullet from a 24-inch barrel. 6mm ARC quick facts: It's a 6mm cartridge similar to 6.5 Grendel, built for the AR-15 platform It's optimized for bullets in the 103 grain - 110 grain range It's got more velocity and less recoil compared to 6.5 Grendel It shares the same parent case with 6.5 Grendel: The 220 Russian Once lasers hit the fields, the game began to change. In many ways, the race to the bottom is paying off. Maybe, if you are shooting farther out. 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. 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. L. to R. are 223 Rem., 6.5 Grendel, 6.8 Rem. L. to R. are Berger 95-gr. Lower velocity means less flame and heat for longer barrel life. of H2O, almost right inbetween a 6 mm PPC, around 32 gr. GD. Its all about the lack of correlation between mapping out rounds on a computer and sending them downrange at targets measured in 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. The 6x45 is the .223 Rem. Both bullets produce deer-slaying accuracy. Twist rate is 1:7.5 to stabilize the long 105- to 108-grain high B.C. To keep the 115-grain Berger VLD (G1 B.C. The 6mm GT easily attains more than 3,000 fps. 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. 6MM ARC AR-15 Barrels for Sale at Joe Bob Outfitters! Federal has created a safer, easier and more reliable way to shoot a muzzleloader. All of the eyeball'ed loads produced sub-MOA groups. 1,226. Hunter aiming AR-15 rifle for which the Hornady 6.5 ARC was created. The 6 ARC proved at 2720 fps with a Density Altitude of 8800 feet. The handguard bolts to the upper eliminating impact shifts when setting the bi-pod or locking into a barricade or obstacle. The pair developed the .22 PPC in 1975, and the 6mm PPC followed in 1987. Real Performance Results, From-Scratch Experimental Load Development, 6mm ARC Landing Page at Midsouth Shooters Supply, Subscribe to Ultimate Reloader Reloading Blog by Email, NEW DAA Infra-Red Low Powder Sensor (Hands-On). The high B.C. Most Popular. Some tactics never die, they just get regenerated. I had a Remington Model 700 BDL Varmint rifle rebarreled with a heavy stainless-steel barrel chambered for the round, and it lived up to its reputation. It is reported to be very accurate, but its aura is eclipsed by the shadow of the 6mm PPC. This made sense. The release of the new Hornady 6mm ARC (Advanced Rifle Cartridge) supports the perception that gun and ammo makers are engaged in a race to the bottom. Did the 6 ARC outperform the .223? No surprise there since it is about the same weight as the 6 ARC and both used Proof Research barrels. Learn the difference between revolvers and semi-auto pistols and what makes them different. In 100-200yd benchrest competition, the 6PPC is still the "winningest" cartridge around. The 6mm CM at 300yds is 2514 and 1446 and 6mm ARC is 2288-1197. That flattens trajectories somewhat and applies a bit more punch to the game. But do you know how to properly use them? The deer load had a 100-grain bullet, and the varmint load carried an 80-grain bullet. It is based on the .308 Winchester case, necked down with no other change. 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. of Israeli Defense Forces, joins David Fortier for an exclusive interview for Shotgun News. It fits in an AR mag. Thats only a minor impediment for serious riflemen. It was essentially the Huntington cartridge, but with a 26-degree shoulder for easier case manufacturing. This isn't your grandpa's muzzleloading system. But since there is no factory ammo, 24 Nosler shooters must handload. So, the 6mm ARC outperforms any magazine length 5.56x45mm NATO load simply through a combination of sheer horsepower and more efficient projectiles. It gave dependable accuracy and high velocities. A World Record Attempt and everyone is out at the range shooting and practicing. 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. You never know for sure, but its not a failure out of the box like so many others. 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. However, 25.3 inches of drop at 400yds is by no means terrible. It is NOT for use in AR-15 style (gas gun) rifles. Taurus has redesigned this sporting pistol for performance. You could get hits at 900 meters with all of them, 5 shot strings were easiest with the Creedmoors and they ruled at 1100 meters. All gunsmithing procedures should be carried out by a qualified and licensed gunsmith at their own risk. I cant see it, but for those who like to try something different its is a really nice option. Long-range started with a cold shot at 600 meters using the reticle followed by one at 1100 meters using confirmed elevation dialed in, holding for wind. Read on! Joseph VonBenedikt is with Joel Hodgdon to talk about the improved accuracy and long-range potential of the already reliable Core-Lokt ammo line. The 6mm ARC is designed to run in existing in M4 rifle platforms. There you have it. This is a much more confidence inspiring correlation with regards to safety and predictability. Founded by Frank Galli in 2000, Snipers Hide has been offering informational videos, podcasts, and other support to its users in one location. bullets like Hornady's 108-grain ELD-Match, the Hornady 6mm ARC drops and drifts less than any 223 Rem. Variations on a theme. The general shooting public loves them for control of vermin like feral hogs. While it did well the clear winner was the 6CM, high BC and extra velocity are hard to overcome at this range. has much kick to start with. bullets in .243" help make the light-kicking, short Hornady 6mm ARC ballistically superior to the 308 Win., 6.8 SPC. In simple terms, its essentially a 6mm Grendel with the Creedmoor treatment, alterations to the shoulder and casing for better feeding, more consistency, and ease of mass production. There is nothing more competitve than a 6BR Norma when the wind is consistent or low. So what about Hornadys published 2,750 fps number for the 108 grain ELD-M bullets in 6mm ARC? As much as I like shooting my 6 Creedmoor, every builder outside custom shops tells me it is a complete PITA to get to work on a large scale using factory ammunition, a real consideration. All Rights Reserved. These did not shoot well at all for me at 100 yards with an average of 1.9 MOA and after two lackluster 5-shot groups, I discontinued testing with them. It started as a popular wildcat before its approval by SAAMI. Your email address will not be published. ZevTech, 16 Proof Research .223 Wylde barrel, Leupold Optics Mark 6, 3-18 with a David Tubb DTR reticle and Black Hills 77 Grain TMK. Review: Hornady 6mm ARC. I think the point of the arc is that it works in an ar 15. The 6mm GT, left, seen next to another precision cartridge, the 6mm ARC. Slower, sure, but not enough to matter in the real world on real threats. Contact ultimate reloader by clicking here. The 24 Nosler is a terrific performer, so dont let its small size fool you. 2023 Outdoor Sportsman Group. I hired a Mossberg in 243 Winchester to take this multi-tined TX Hill Country whitetail with a single shot. Before there were scopes or red dots there were iron sights. It is a 6 BR REM barrel that came off a rifle that I bought for the Remington 600 donor action. It has had moderate success in various target venues. Also 6X47 has also interested me. Will it be my go-to bang away rifle, not likely. bullets straight and seated above the powder reservoir. I cant speak for the ARC, but for the 6BR. The rim diameter of the 6mm ARC is 0.441 inches, while the 243 is slightly larger at 0.471 inches.