And thats the subject of this article: chronicling my first loads (I did not have factory ammunition to test) and validating claims related to 6mm ARC performance. HunterMann Well-Known Member LRH Team Member Joined Jan 18, 2021 The rim diameter of the 6mm ARC is 0.441 inches, while the 243 is slightly larger at 0.471 inches. I tried a test one time after that ladder test, I decided to eyeball the powder amount in the case. Joseph Von Benedikt is with Jorge Spat to learn all about it. 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. I fall into the latter category. It is advanced for the AR platform. 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. The 243 has a case length of 2.045" compared to the 1.49" of the 6mm cartridges. There is a lot of hoped for or imagined history related to the 22 BR and 6 BR cartridges. No surprise there since it is about the same weight as the 6 ARC and both used Proof Research barrels. Second, it was chambered in the delightful Winchester Model 70 Featherweight, which was a major factor in the .243s huge success. The rim diameter of the 6mm ARC is 0.441 inches, while the 243 is slightly larger at 0.471 inches. continues to ride the crest of the 6mm-caliber wave, the tried-and-true 6mm Rem. The old 243 Winchester can beat that by about 300 fps. Maybe, if you are shooting farther out. All gunsmithing procedures should be carried out by a qualified and licensed gunsmith at their own risk. pavementends Junior Member. A new 6mm round blossomed in 2017, and it has already taken a position in the Great category. I followed up with three at 300 meters and a 600 Meter shot on a 22 x 16 silhouette steel. : 0.330 VELOCITY (FPS - feet per second) POWDER 3000 3100 3150 3200 3250 6 ARC Testing To set up a viable 6mm ARC vs. these other calibers, I set 100-meter zeros, then confirmed at 1100 meters providing a proven hold at range. Every rifle is a proven performer to 1100 meters and an AR using the same or similar suppressor, no brakes, flash hiders or conventional suppressors. Looking at putting together on of lower powder capacity 6mms in an effort to possibly extend barrel life a touch and have a nice smooth/easy shooting gun. Slightly bigger still is the 6CM, which invokes much cooler H1000 powder (to best all these in barrel life). A World Record Attempt and everyone is out at the range shooting and practicing. Just striving for accuracy. If this development strikes you as the opposite of progress, you might have spent the bulk of your life in the 20th century. 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. Low recoil is also noted. Factory ammunition at normal prices (if that exists anymore) suitable for defense, duty, target, and hunting is more available than similar calibers after decades of use. If you already have an AR chambered in 6.5 Grendel, the ONLY thing you need to change is the barrel. Editors Note: Looking for a deeper dive on the 6.5 Grendel vs. 6mm ARC? The general shooting public loves them for control of vermin like feral hogs. Their 106 grain TAP round looks interesting with a .580 G1 BC but not available right now, will have to come back later on that. However, the 6mm BR is superior at 300m and beyond. Hornady found a solution with the 6mm ARC. Poll: What Rifle Cartridge Do You Reload Most Often? Its case is bigger and its report louder, but it is deadly effective in the field. By accepting these terms, you agree that you alone are solely responsible for your own safety and property as it pertains to activities, procedures, techniques, or practices described in whole or part on this website. H-4895 is closer to the 6.5 Grendel sweet spot, so I thought it would be worth a try. The Mossberg 500 Pump Action Shotgun is one of the most popular home defense shotguns on the market. projectiles make up for their lower MV with less wind deflection, the toughest variable to battle at long range. But because 6mm arc is currently $34.95 per box and 6mm CM is $31.50 there is not enough cost difference to worry about since I don't reload yet . is One Gun To Rule Them All, New 270 Cartridges Challenge 6.5s and 7mms. (The company envisioned it as primarily a deer-hunting round, with occasional use on varmints.) So, the 6mm ARC outperforms any magazine length 5.56x45mm NATO load simply through a combination of sheer horsepower and more efficient projectiles. The 6mm ARC is a brand new cartridge that Hornady designed to fit into a standard AR-15. Ultimate Reloader, LLC and Making With Metal can not be held liable for property or personal damage due to viewers/readers of this website performing activities, procedures, techniques, or practices described in whole or part on this website. and puts more impact splash on steel plates than any .224 rounds. Fred Huntington, founder of RCBS, developed a then-new 6mm cartridge by necking down the .257 Roberts case. Both can produce sub-MOA groups, but 224 Valkyrie seems to spread out faster than 6mm ARC. The only difference is the Proof Research 18 1-7.5 twist barrel, 6.5 Grendel bolt, and E-Lander magazines. Introducing the Silencerco SCO15 Lower Do We Need Another AR-15 Lower? Or it fits the extra-short AR-15 platform rifles beloved and preferred by many shooters. Thank you for this timely video. This is, after all, a rifle forum and accuracy matters! Lets now realistically compare the 6mm ARC vs. five of its perceived competitors. Save my name, email, and website in this browser for the next time I comment. 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 Hornady manual states that this second set of data should not be used in gas-guns. All Rights Reserved. 6.5 Grendel vs. 6mm ARC Ballistics. But the 6mm ARC drops 22.2 inches. Barrel-length is an issue. 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. After that, it was the 6.5 and 6CM show. 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. Hold for elevation never changed, 4 mils at the top garnered hits at from 4.2-4.7 mils each time, misses were generally wind. This data and these techniques can not be assumed to be safe. NB / Canada. 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 powder charge I used then is lost to history, but the bullet was a Speer 90-grain SP. 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. 6mm ARC The newest 6mm factory round is the recently announced 6mm ARC (Advanced Rifle Cartridge). The 6mm AR needs to be sized down from Grendel brass, or fire-formed from 6PPC brass. (In the 1960s, Speer made a 105-grain RN just for the .244 Rem.) I'm pretty sure that the dies were marked 6 BR REM. Joseph Von Benedikt shows his custom 500 and how well it shoots. For now, though, it is anything but a sea change amongst the broader Special Missions Units. 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. 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. Lower velocity means less flame and heat for longer barrel life. if you are going to reload for it and want to shoot light bullets. With more case capacity, the 6mm BR can drive the heavier, higher BC bullets needed at long distance. Let us count the ways. Ill be publishing a full overview story covering this rifle, but in the meantime, here are some specs from the CMMG Product Page: CMMGs ENDEAVOR line of rifles are now available in Hornadys new 6mm ARC (Advanced Rifle Cartridge). Image shows 243 Winchester, 6mm Remington, 240 Weatherby Magnum, older and faster than the Hornady 6mm ARC. [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. 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. 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 Modern Outfitters MC7, Proof Research 22 6CM, Bushnell Elite Tactical XRS 4.5-30, Hornady 108 grain ELDM. 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. SPC; the 300 AAC Blackout, 350 Winchester Legend and 458 Bushmaster. Jeff, did you mean to type - 6.5BR? Just pouring powder in and checking it by eye. To keep the 115-grain Berger VLD (G1 B.C. Handloads are easy to prepare, and while my limited use of the .240 Wby. I previously tested them in other calibers. 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. Standard practice is to start tweaking burn rates, bullet weight and weighting factor to make calculated muzzle velocity match actual. Learn the difference between revolvers and semi-auto pistols and what makes them different. Reduced recoil minimizes flinching and enables shooters to see their hits or misses so they can correct for subsequent shots. I fall into the latter category. 6MM ARC AR-15 Barrels for Sale at Joe Bob Outfitters! All Shooting Times subscribers now have digital access to their magazine content. For a better experience, please enable JavaScript in your browser before proceeding. Unlike the NGSW the 6 ARC is a standard cartridge fired from an AR-15. Some tactics never die, they just get regenerated. It gave dependable accuracy and high velocities. Facebook; Twitter; Pinterest; Related Articles. I am a much better bolt gun shooter than AR shooter. 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. The 6mm ARC's more efficient projectiles with their high BCs provides superior exterior ballistics with noticeably less wind drift, higher retained velocity and greater retained energy. There is no magnum behind those titles, yet they are fastest or close to fastest in their calibers. Posts: 11,077. The laser rangefinder, in part. 6.8 SPC The 6mm ARC has more match bullet options and is a better long-range performer. Then the AR-15 platform exploded and the game changed some more. It will be interesting if they chamber this in micro-action bolt carbines like the Grendel has been. bullets of the 6mm Creedmoor. At the time of the 22 PPC and 6mm PPC being developed by Ferris Pindell and Dr. Louis Palmisano (thus the PP), the bench rest winners were often the 222 Remington and the 6x47 Remington (the latter being a necked-up 222 Remington Magnum). Who knew wild turkey's were so stupid!? Arguments amongst experts (real and self-delusional) spewed forth with ferocity. I had a 20 AR-15 to test with, so I had to do some math :). Absolutely, but not significantly better than the 224V with the 90 grain SMK. Excessive recoil, debilitating blast, and marked overpressure remain its claim to fame, thereby making it unsuitable for comparison for most of us. Slower, sure, but not enough to matter in the real world on real threats. I to have a precision .224 V and would love to see a real world side be side comparison with the 6 ARC. The Zev Technologies .223 is still the most fun you can have with an AR out to 600 meters. It was the wildcatters who brought it back to life by fiddling with a couple of popular designs. The newest 6mm cartridge is the 6mm ARC, which Hornady just introduced. However, after completely missing five consecutive bucks with my 6mm, I decided that I needed to hunt with that Remington 6mm like I hunted with my 2-3/4 inch 12 gauge. I did not have time to work up a load for accuracy, so Ill defer that discussion for a future post. You may know one or two more. 22420 C.O.L. 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. bullets. In the 1970s, I had a Remington Model 700 BDL so chambered, and I took my first Texas whitetail with it. You must log in or register to reply here. However, I must confess that Hornadys factory loads shoot so well that the reloader is hard-pressed to better them. Yes it is designed to run in AR15-platform rifles. With the super bullets and modern powders of today, I cant imagine a better deer and antelope round. ARC stands for "Advanced Rifle Cartridge." The caliber is 6mm or .243. NOTE: This 6mm ARC reloading data is intended for use in bolt action rifles safe for pressures up to 62,000 psi. But do you know how to properly use them? Recoil is primarily a product of bullet weight. The handguard bolts to the upper eliminating impact shifts when setting the bi-pod or locking into a barricade or obstacle. Factory match rounds start at 155 grains and go up. It has had moderate success in various target venues. SPC, 350 Win. Of course, handloading the 6mm Creedmoor is a reloaders dream. 6mm ARC vs 6.5 Grendel. 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. Sneak Peek of Bryan Litz's New Book: Volume III of Modern Advancements in Long Range Shooting. This increased size means the 243 has a case capacity of 53-54.8 gr H2O. Mag. Supporter. When using shorter barrels, which are common on gas-guns, the difference will be even more pronounced. No factory rifles or ammo was available, but for a while, Federal offered nickel-plated 6x47 cases. The need for a new, uncommon bolt/ face/ assembly kills 6 arc in the real world for bolt guns. These developments are interesting, and the supreme accuracy achieved by several of the wildcat cartridges make them worthy of mention here. (Ret.) Hornady's new 6mm ARC was designed for a specific military requirement; the 108-gr. bullets for the Hornady 6mm ARC. Notify me via e-mail if anyone answers my comment. The Hornady 6mm ARC takes the 24-caliber into record territory the slowest muzzle velocity of any commercial cartridge propelling .243 bullets. .563) from wobbling, the 6mm ARC will need at least a 1:7 twist. '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 wont even mention primers as that is just generic across the board with any caliber at this point. [10] The 6mm ARC therefore can also be a suitable chambering for shorter "micro-action" bolt-action rifles. Like the grendel though you probably don't want to run high pressures on an ar bolt though. Whats the plus delta on each? The hunter can add about 100 to 150 fps of additional velocity to most game-weight bullets. Its a long-distance for any of these and conditions were anything but ideal. As Jackie says there's a big difference in the cases. They have 10 solid options ranging in weight from 90 to 110 grains. When comparing 6mm ARC vs. 6.5 Grendel, you simply must ask, Will it do something your 6.5 Grendel wont? Not that I can see. [7] What the 6mm ARC does offer though is almost comparable velocities and ballistic performance, but out of a compact cartridge that has lessened perceived recoil and fits into the standard AR-15 length actions. If you want to shoot at distance with your AR-15, this is the cartridge. 6mm ARC: Fact or Fiction? Mag. 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. But I wanted to get some real-world results with my new CMMG Endeavor 300 6mm ARC AR-15 published as soon as I could, and therefore embarked on an exciting journey. Interestingly enough, my history with 6mm rounds began with the 6mm Remington. It suffered no vertical stringing. The 243 has a case length of 2.045" compared to the 1.49" of the 6mm cartridges. Most Popular. Will it become my 1000 yards rifle, maybe, it is working against the 224V and the jury is still out and will be until I get my hands on their TAP round, Ill keep you posted. I had only some pre-primed new Hornady 6mm ARC brass to start with and the SAAMI Specs for 6mm ARC. Wildcatters have had a field day with the 6mms, and the list of their creations is long. But I wanted to get some real-world results with my new, would produce approximately 2,754 FPS in a 24 bolt-action rifle, Dont miss out on Ultimate Reloader updates, make. Your email address will not be published. has much kick to start with. Or hunting? | Photo shows high B.C. Long-range precision shooting is one of the fastest-growing segments of the shooting sports. 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. Precision Rifle Podcasts - 4 Podcasts Hosted by Top 10 Shooters. See full disclaimer below. Hunters may see an advantage as the ELDX and other hunting bullets are tested. Each rifle ships with one 10-round magazine. The Model 70 .243 Win. 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. There are probably better choices in a bolt gun, The 6 BR Rem has been around for a while but not fifty years, yet. 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 I cant see it, but for those who like to try something different its is a really nice option. And its performance is effective with a variety of bullets. This makes it a factory cartridge, although no factory ammo is available, and guns chambered for it are all custom jobs. Really liking the 6mm Arc in this CZ 527 platform. Even with the cost of the Proof Research barrel it doable. What about your 6.8 SPC? Custom Mossberg 500 at the Range and Live Turkey!. 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. bullets like Hornady's 108-grain ELD-Match, the Hornady 6mm ARC drops and drifts less than any 223 Rem. This is exactly what we would expect. Should I consider another upper? 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. Given this or your typical AR10, no contest, the 6 ARC is much easier to carry. You never know for sure, but its not a failure out of the box like so many others. The pair developed the .22 PPC in 1975, and the 6mm PPC followed in 1987. It started as a popular wildcat before its approval by SAAMI. The 6 ARC was consistent, precise, and repeatable both on cold shots and groups but was about the middle of the pack with the rest. Hornady launched the 6mm ARC with three factory loads: a 103-grain ELD-X Precision Hunter at an advertised 2,800 fps, 105-grain BTHP Hornady Black at an advertised 2,750 fps and the 108-grain ELD-Match load at a stated 2,750 fps. Cartridge experimentation was in its heyday in the 1950s, and it was a rare cartridge case that didnt get shortened, blown out, or necked up or down. As their names imply the biggest difference between the 6mm Creedmoor and the 6.5 Creedmoor is the bullet class. Lapua brass is easy to find, however the bullet (105 Hybrid) and powder (Varget/H4895) most run will be tough to find. Reply. The .222 Remington, introduced in 1950, was top dog in benchrest circles until the advent of the PPCs, after which, the 6mm PPC was used by virtually all serious benchrest competitors. So what about Hornadys published 2,750 fps number for the 108 grain ELD-M bullets in 6mm ARC? 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). To set up a viable 6mm ARC vs. these other calibers, I set 100-meter zeros, then confirmed at 1100 meters providing a proven hold at range. He gave it a 32-degree shoulder and called it the .243 Rock Chucker.. 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). shoots the same cadre of 0.243-inch bullets as the .243 Win. with a collective yawn and flocked to the equally new and elegant Winchester Model 70 Featherweight in .243 Win. [5] In the 1970s, the .222 Rem. ELD (l.) makes for an excellent long-range target round, while the 103-gr. It debuted in 1955 and has been immensely and justifiably popular ever since. While almost any combination of components seems to shoot well, my favorite powders are Hybrid 100V, Reloder 17, and Power Pro 4000MR. Sort by. Any discussion of great 6mm cartridges must start (some would say end) with the .243 Winchester. Range Report 6mm ARC vs 6 PPC vs 6 Grendel. Cartridge Specs. I must note here how hard it hit. The case capacity of a 6mm AR is about 36 gr. 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. ), 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*. H4895 with 5-shot groups from the high .5s to 1.0 MOA. Copyright 2000-2023 24hourcampfire.com, Inc. All Rights Reserved. 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. Thats only a minor impediment for serious riflemen. Many shooters necked the BR case down, and a 6mm version ultimately became the 6mm BR Remington. But on paper it looks promising. With this testing behind me, I must say it was fun, I enjoyed it and will keep testing as new ammunition is available. 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. Velocities were established from a 24-inch barrel. Typical social media and industry speculation fired up with a fury. Poll: Whats your number one reason for reloading? I purchased a 6mm ARC barrel from Brownels when they first came available. 6.5 Creedmoor vs. 6.5 PRC: Which is Better? the problem is your average guy wants to shoot a long ways, they don't get the fast and light principles. Savage already offers a few more inexpensive options in 6mm ARC though defiantly not a mini action. Here I am shooting a Smith & Wesson M&P chambered 5.56x45mm. 1100m: This is more academic than real, but they claim 6mm ARC performs at this range (compared to the .223 and 308). 6mm AR (L), 6mm BR (R) Good luck, John 1shot Mar 4, 2013 #4 A quality shooter can certainly compensate for 3 inches of difference, so while it's a victory for the ARC, it's a narrow win. First, the cartridge was designed for dual purposes: deer hunting and varmint hunting. By comparison, the 6 mm ARC gets there in 2.04 seconds. This is the Great short, fat 6mm PPC that was developed by Dr. Louis Palmisano and Ferris Pindell. Its all about the lack of correlation between mapping out rounds on a computer and sending them downrange at targets measured in yards. Distance is its forte and with its 2020 introduction and ability to flatten the trajectory curve, the 6mm ARC might ought to have been called the "Corona cartridge.". There are 6ARC bolt guns out there. The ballistics look great. Honey Badger, XM2010, C22, R4, MSR, CSR, AAC, BARNES BULLETS (https://www.youtube.com/watch?v=ykTfyrMiXps). The .240 Wby.
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