Wilson Combat will offer WC-15 6mm ARC rifles with our match-grade, 18" fluted/threaded Tactical Hunter barrel. remains a runaway hit to this day. This colored our perception of lower velocity rounds. Mag. Thats only a minor impediment for serious riflemen. Both were termed Pointed Soft Point Core-Lokt bullets. If the wind is changing from 4 -7 miles an hour (and it ususally is), you will have more trouble bracketing or holding the 6BR in the 10 or X ring. ARC stands for "Advanced Rifle Cartridge." The caliber is 6mm or .243. Modern Outfitters MC7, Proof Research 22 6CM, Bushnell Elite Tactical XRS 4.5-30, Hornady 108 grain ELDM. bullets straight and seated above the powder reservoir. 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). What does all this mean? Required fields are marked *. Do not attempt any of the processes or procedures shown or described on this website. However, I would not want to carry it far. 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. This 6 ARC was an excellent performer, not a precision rifle but thats not what its for. 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. 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. Read on! 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. When youre shooting dozens and dozens of rounds in a single competition, barrel life matters. It is chambered in many very good and some very inexpensive rifles, which have helped make it the hit that it is. My barrel is a 7 twist 20 and Im going to try the Hornady 108s and I may try some VARGET too as it is another of my favorites. 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). With the 6PPC you have to turn necks and fire-form the cases from smaller 220 Russianbrass. Five more for effect as fast as I could get back on target ended the drill. 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. case necked up, made especially for ARs. if you are going to reload for it and want to shoot light bullets. Will it supplant mainstream calibers? bullets from the magazine and not be limited to being a single shot. It uses the ever-effective Hornady 100-grain RN InterLock with H4350 powder. You get most of the good without most of the bad and that is a pretty good start. Thread starter Travis224; Start date Aug 11, 2020; Forums. What does the 6 ARC do that the 6 BR REM hasn't been doing for over 50 years? 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. 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. Outside a few very special special units, the military gets whats issued. The cartridge is specifically designed to maximize performance in AR-15s with barrels between 12 and 24 inches. Which it does pretty well within those limitations. Poll: Where are you finding reloading primers and powder? .458 Winchester Magnum History: The Complete Story, 6.8 Western Ammo Options: The Load of Long Yardage, A World Record Attempt: Practice Round and Media Day, Interview with Israeli Defense Forces, Part 1. Because it's been around longer there are many, many more factory loads . I cant speak for the ARC, but for the 6BR. Review: Hornady 6mm ARC. It will be interesting if they chamber this in micro-action bolt carbines like the Grendel has been. That said, I just got a 6BR for my new PRS rifle. Im referring to the 6mm Creedmoor, which is simply the 6.5 Creedmoor case necked down with no other change. I have never had a easier caliber to load for. Company literature in 1955 described both bullets as Soft Point.. 100-300m: Consistent 100 meter groups in the .60 -.75 inch range, 2.5-3.0 inches at 300 meters were the norm. 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. Im interested in a direct comparison to the 224 Valkyrie and the 6 mm ARC. I don't know the velocity, but I suspect something under 3k. 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. 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. SPC, 350 Win. Second, it was chambered in the delightful Winchester Model 70 Featherweight, which was a major factor in the .243s huge success. Some smaller capacity, low velocity rounds are tailored for sub-sonic, low-report firing for clandestine military engagements. 1100m: This is more academic than real, but they claim 6mm ARC performs at this range (compared to the .223 and 308). The rim diameter of the 6mm ARC is 0.441 inches, while the 243 is slightly larger at 0.471 inches. Fred Huntington, founder of RCBS, developed a then-new 6mm cartridge by necking down the .257 Roberts case. Check one out and join the race to the bottom. Like the grendel though you probably don't want to run high pressures on an ar bolt though. Learn the difference between revolvers and semi-auto pistols and what makes them different. It is formed by using a shortened .22-250 Remington case, and it has thinner walls for increased powder capacity and the Ackley improved shape. There aren't any markings on the barrel, but it was advertised as being a 6 BR REM and the reloads that came with it seemed to chamber fine when the barrel was still attached to the action. Image shows 6.5 Grendel cartridge, parent case of the 6mm ARC. 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. Copyright 2000-2023 24hourcampfire.com, Inc. All Rights Reserved. Legend, 450 Bushmaster. Should I consider another upper? A new 100-grain factory deer load completed the rounds metamorphosis. 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. Wildcatters have had a field day with the 6mms, and the list of their creations is long. Retested today with 26.3 grs. It hits way above its weight class. From an LE perspective, changing calibers is like pulling teeth on a ticked off Grizzley, very low rate of success and its hard to beat a .223 for patrol. 6 BR REM, not 6.5. Maybe, if you are shooting farther out. For hunting purposes I expect 100 grain bullets & less will be preferred in this platform based on my experience. I therefore feel that Hornadys claimed performance data is feasible. 6.5 Grendel The 6mm ARC delivers comparable performance from a wider assortment of bullets, making it a more versatile choice. Once we could pinpoint exact distance to target, maximum velocity didnt matter as much. 6mm ARC vs 6.5 Grendel. 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. Shots are on 12 round steel and 22 x 16 silhouette steel at 600 and 1100 meters. Hi Gavin, was not, and the .243 Win. The Zev Technologies .223 is still the most fun you can have with an AR out to 600 meters. 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. Cal December 9, 2018 Leave a comment. It has had moderate success in various target venues. Joseph Von Benedikt is with Jorge Spat to learn all about it. Handloads are easy to prepare, and while my limited use of the .240 Wby. 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 6mm Rem. the problem is your average guy wants to shoot a long ways, they don't get the fast and light principles. Its release as a commercial round was presaged by a number of successful 6mm wildcats like the 6mm AR based on the Grendel. As such, SAAMI maximum average pressure is set at a relatively mild 52,000 psi. Commercial 6mm ARC loads feature bullets selected to deliver ideal performance for hunting, match shooting, and personal protection applications. Ultimate Reloader LLC is not responsible for errors in load data on this website. I also confirmed velocity for existing conditions. Between 600-1100 was a different story, everything but the 6.8 SPC did well out to 800 meters including the 6 ARC hitting with a bit more authority than the rest. The need for a new, uncommon bolt/ face/ assembly kills 6 arc in the real world for bolt guns. Advanced Marksmanship Unit. The content on this website (including videos, articles,ammunition reloading data, technical articles, gunsmithing and other information) is for demonstration purposes only. | NOTE: This 6mm ARC reloading data is intended for use in bolt action rifles safe for pressures up to 62,000 psi. Poll: What Reloading Components Cant You Find? You might be surprised to discover you've come out on top! Probably the most recoil came out of the 6 Creedmoor. Range Report 6mm ARC vs 6 PPC vs 6 Grendel. wasn't as big a fan of his 4 oz trigger but all in all I want one someday don't know enough about the 6 arc to comment on it . 6mm ARC The newest 6mm factory round is the recently announced 6mm ARC (Advanced Rifle Cartridge). You are using an out of date browser. $1.75/Round. While the .243 Win. Comparing 6mm ARC to 6mm CR is is apples and oranges again. 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. As their names imply the biggest difference between the 6mm Creedmoor and the 6.5 Creedmoor is the bullet class. Its easy to understand why its such an excellent performer. If you already have an AR chambered in 6.5 Grendel, the ONLY thing you need to change is the barrel. Its case is bigger and its report louder, but it is deadly effective in the field. Hunter aiming AR-15 rifle for which the Hornady 6.5 ARC was created. 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. Hornady is claiming its 6mm ARC will yield 2,750 fps with a 108-grain ELD-M bullet from a 24-inch barrel. Photo shows high B.C. No factory rifles or ammo was available, but for a while, Federal offered nickel-plated 6x47 cases. This is only a slight victory, however. By comparison, the 6 mm ARC gets there in 2.04 seconds. The ARC seems to be knocking on the heels of a BR. 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. VLD Match. WT?, Tactical Time Lord. It debuted in 1955 and has been immensely and justifiably popular ever since. 6mm ARC vs 6mm BR. The short reality is somewhat different. It is based on the 6.5 Grendel case, and time will tell if it, too, becomes one of the great ones. Lower velocity means less flame and heat for longer barrel life. I chose to start with Varget because of what I read about 6mm PPC, and I have a lot on hand! Ran great with solid and repeatable accuracy using the same bullets as the 6CM. Joseph VonBenedikt is with Joel Hodgdon to talk about the improved accuracy and long-range potential of the already reliable Core-Lokt ammo line. 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 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 6BR is the easy buttonstandard bolt face, top-quality brass, 30.0gr Varget under any 105-108gr match bullet to start. Poll: What handgun cartridge do you reload most often? The Hornady 6mm ARC takes the 24-caliber into record territory the slowest muzzle velocity of any commercial cartridge propelling .243 bullets. That doesnt mean others in that community or those in contact with them may not want 6mm ARC someday, or even give it a try sooner than later. However, 25.3 inches of drop at 400yds is by no means terrible. is One Gun To Rule Them All, New 270 Cartridges Challenge 6.5s and 7mms. Its a 6mm cartridge similar to 6.5 Grendel, built for the AR-15 platform, Its optimized for bullets in the 103 grain 110 grain range, Its got more velocity and less recoil compared to 6.5 Grendel, It shares the same parent case with 6.5 Grendel: The 220 Russian, Its capable of launching a 6mm 108 grain projectile approximately 2800 FPS from a 24 barrel, BARREL: 20, 1:7.5 twist, 6mm ARC, MT 416SS, SBN, MUZZLE: MUZZLE: SV Brake, threaded 5/8-24, GAS PORT LOCATION: Rifle Length with SLR Adjustable Gas Block, RECEIVER: Forged 7075-T6 AL M4 type upper, AR15 type lower, FINISH: Cerakote Receivers and Hand Guard, Find a cartridge similar to 6mm ARC thats supported in the, Determine the 6mm ARC case capacity for my lot of brass (H2O method), Adjust Quickload model for case capacity and any other factors, Model loads looking at pressures and velocities (using 6mm PPC load data as a backup sanity check), It shares the same parent case with 6mm ARC (the 220 Russian), Its case capacity is very close (1.9 grains of H2O different), Likely in reference to a 24-ish test barrel, No AR gas system present to reduce velocity, Start with observed 20 velocity data for my H-4895 load (2,631 FPS), Look at the QuickLoad projected velocity difference between a 20 and 24 barrel, Add the velocity difference to the actual measured velocity, Account for ~1.18% reduction in velocity (calculated from my 224 Valkyrie AR-Bolt side by side testing) due to the AR-15 gas system, I had limited components available to test, results could get better from here (more velocity with less pressure), These loads may be hotter than what will function reliably in a typical AR-15 (and may not be safe), I will follow up with testing of Hornadys factory ammunition with the 108 grain ELD-M bullet. I fall into the latter category. It was the wildcatters who brought it back to life by fiddling with a couple of popular designs. We're going backwards! Some tactics never die, they just get regenerated. In addition to the above comments there is some confusion regarding the 6 mm ARC's performance. The first groups were the 6.5 Grendel cases that I modified for the 6mm ARC. Important to note that Quickload reports the chamber pressure using the combination of components above is 3900 PSI over SAAMI spec and is therefore a dangerous load that should not be used. The difference between the 6 mm BR Rem and the 6 mm BR Norma are slight, but in a tight chamber . I don't shoot past 300 and dead is dead. There is nothing more competitve than a 6BR Norma when the wind is consistent or low. The 6mm ARC was built by necking down the 6.5 Grendel. Powered by UBB.threads PHP Forum Software 7.7.5. 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.