The ballistics look great. Quickload can be frustrating when there is more than 10 FPS difference between calculated and measured MV. 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. To get started, click the link below to visit mymagnow.com and learn how to access your digital magazine. Always enjoy your videos. 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. 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. With the super bullets and modern powders of today, I cant imagine a better deer and antelope round. My handloads for the round have all been for Missouri deer, and I can confidently recommend my favorite. 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]. 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. The 6mm ARC produces a larger splash signature that allows shooters to self-spot impacts and make rapid adjustments. It started as a popular wildcat before its approval by SAAMI. Follow up to the above. This rifle originally started out as a 224 Valkyrie using their IRMT upper and NX15 lower. 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. 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). Only a few metric calibers have been really popular in the United States6.5mm and 7mmso the Great 6mms are relatively few in number. for decades and have experienced no odd problems with it. 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. VLD Match. Closer to 43, I think. Location. Recoil is primarily a product of bullet weight. If I was gonna go to a 6mm cartridge I would either do 6x47lapua because I already brass and all I need is a smaller neck bushing, or I would go all in on 6br. (Ret.) In many ways, the race to the bottom is paying off. This is exactly what we would expect. Savage already offers a few more inexpensive options in 6mm ARC though defiantly not a mini action. Blue collar reloading had 25 boxes of brass right now. ELD-Match, and Berger 115-gr. It is advanced for the AR platform. Once lasers hit the fields, the game began to change. Soft-report, low-recoil cartridges prove ideal for starting new shooters, many of whom never see the need for escalation. Hornady Precision Hunter 6mm ARC 103 Grain Jacketed Soft Point Centerfire Rifle Ammunition, 20, SBT (Save 10%) $2.15/Round. Your email address will not be published. 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. The 6mm ARC was designed to match specific DOD requirements while fitting in the AR15 platform. And its performance is effective with a variety of bullets. I followed up with three at 300 meters and a 600 Meter shot on a 22 x 16 silhouette steel. Top loads used H322, W748, and Reloder 7 powders with 65-, 68-, and 75-grain match bullets. 1,461. 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. Any discussion of great 6mm cartridges must start (some would say end) with the .243 Winchester. The 6.5 Grendel was made by modifying the 220 Russian parent case. '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. 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. GD. Federal has created a safer, easier and more reliable way to shoot a muzzleloader. 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. Both were termed Pointed Soft Point Core-Lokt bullets. SPC; the 300 AAC Blackout, 350 Winchester Legend and 458 Bushmaster. 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. It suffered no vertical stringing. Another round that was designed for the steel shooters is the 6mm BR Remington. Photo shows high B.C. The ARC seems to be knocking on the heels of a BR. The Zev Technologies .223 is still the most fun you can have with an AR out to 600 meters. While the .243 Win. The rifles Barrett supplied for the DoD are top-notch, but they are just a modified REC-7 DI. It gave dependable accuracy and high velocities. Joseph Von Benedikt shows his custom 500 and how well it shoots. Above: 6mm ARC case capacity measured 33.96 grains H2O. It's wearing a, Finally, we started seeing heavy, high B.C., very low drag bullets that improved trajectories by minimizing drag and conserving energy. [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. Given this or your typical AR10, no contest, the 6 ARC is much easier to carry. The powder charge I used then is lost to history, but the bullet was a Speer 90-grain SP. 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. Joseph Von Benedikt is with Rafe Nielsen of Browning to take a look at a new X-Bolt series rifle. just get a 6mm hagar. Twist rate is 1:7.5 to stabilize the long 105- to 108-grain high B.C. 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. It is a 6 BR REM barrel that came off a rifle that I bought for the Remington 600 donor action. Posts. 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. In my mind, if 6BR would readily fit in a small frame AR there would be no reason for 6ARC. SPC, 350 Win. Copyright 2000-2023 24hourcampfire.com, Inc. All Rights Reserved. But on paper it looks promising. The 6mm Creedmoor and it's smaller siblings like the 6mm Dasher, BR . Sign up with your email address to receive news and updates. My sources tell me the 6 ARC was a very small order for a specialized unit requested by an obscure R&D group that works under the DoD (Department of Defense) umbrella. 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. . shoots the same cadre of 0.243-inch bullets as the .243 Win. And one may be all you need to justify a new rifle in a new, low velocity chambering. I don't shoot past 300 and dead is dead. The second set of data is loaded to a MAP of 62,000 psi, which is stated to be for use with bolt action guns such as the CZ 527. 6mm ARC vs 6mm BR. 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. 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. Ammo capacity is about the same, 20 rounds with the longer Grendel mags. Based on the .204 Ruger, which was created from the .222 Rem. I previously tested them in other calibers. It is accurate, produces good velocities, and the copper eraser stuff in this powder makes barrel cleaning a breeze. by David Bahde | Dr. Just pouring powder in and checking it by eye. Mag. According to some of the PRS crowd it lets you spot shots through your scope. Poll: Where are you finding reloading primers and powder? I chose to start with Varget because of what I read about 6mm PPC, and I have a lot on hand! The Hornady manual states that this second set of data should not be used in gas-guns. Do you load for a Uintah Precision bolt upper? Its 26-inch barrel made the rifle a bit heavy for toting over hill and dale, plus the 1:12-inch twist limited bullet weights to 90 grains or lighter. Hornady is an obvious first choice for selecting 6mm projectiles to load the 6mm ARC with. rebarreled to 24 Nosler with a stainless-steel, three-groove PAC-NOR barrel. Sort by. Share. 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. Some tactics never die, they just get regenerated. 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. 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. Make sure to watch till the end. I had a heavy-barreled Sako single shot in the 1970s, and it shot like almost all 6mm PPCs: great. V-MAX Item No. 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 . The 6mm AR needs to be sized down from Grendel brass, or fire-formed from 6PPC brass. In most woods that I was hunting in at that time, I couldn't . Dr. WT?, Tactical Time Lord. Notify me via e-mail if anyone answers my comment. Claims for the 6mm ARC are that it is better in every category. It may not display this or other websites correctly. No factory rifles or ammo was available, but for a while, Federal offered nickel-plated 6x47 cases. Or it fits the extra-short AR-15 platform rifles beloved and preferred by many shooters. For hunting purposes I expect 100 grain bullets & less will be preferred in this platform based on my experience. August 14, 2022. The 6 ARC can be built on mini actions such as the CZ 527, Howa Mini, Sako AI. This is because loading data given in some manuals such as the 11th Edition Hornady Reloading Manual[8] ,for example, has two sets of data. For example, the data in the Hornady 11th Edition Manual for an 18 in (457 mm)-barrelled AR-15 platform firearm was on average 200-300 ft/s (60-90 m/s) less than the data for the 24 in (610 mm)-barrelled CZ 527 bolt action rifle. The 24 Nosler is a terrific performer, so dont let its small size fool you. has much kick to start with. Which it does pretty well within those limitations. However, 25.3 inches of drop at 400yds is by no means terrible. As a follow-up exercise, I plan to use QuickDesign software to create a more accurate model for the 6mm ARC. it looks like the 6mm ARC is 1.490 and the grendel case is 1.52, so not much of a shortening if really at all. Low velocity from a short cartridge means it fits in a shorter, potentially stiffer action which can contribute to increased accuracy. But since there is no factory ammo, 24 Nosler shooters must handload. has not been on game, some loads stand out. All Shooting Times subscribers now have digital access to their magazine content. Advanced Marksmanship Unit. Wildcatters have had a field day with the 6mms, and the list of their creations is long. Ok from the perspective of one 6mm ARC lover. was introduced in Remingtons Model 722 short-action bolt gun, and while the Model 722 was a very accurate rifle, it was rather plain. (roughly .530 to .540 B.C. continues to ride the crest of the 6mm-caliber wave, the tried-and-true 6mm Rem. Not a single stoppage amongst them too include a couple 17 round full auto mag dumps. I fall into the latter category. 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 high B.C. Posted: 11/11/2012 6:04:07 PM EST [#2] Velocity with a 105gr bullet from both is 2750 fps. Taurus has redesigned this sporting pistol for performance. All of the eyeball'ed loads produced sub-MOA groups. | all4shooters, Hornady's NEW 6mm ARC & Odin Work's Barrels - www.gunsamerica.com, gununiversity.com | 6mm ARC Released / Hands-On Testing and Comparisons, by Ryan Cleckner 3 June 2020, https://en.wikipedia.org/w/index.php?title=6mm_ARC&oldid=1137943385, Articles with unsourced statements from July 2020, Articles with unsourced statements from September 2021, Creative Commons Attribution-ShareAlike License 3.0, This page was last edited on 7 February 2023, at 05:30. But do you know how to properly use them? In 100-200yd benchrest competition, the 6PPC is still the "winningest" cartridge around. .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. .563) from wobbling, the 6mm ARC will need at least a 1:7 twist. Tests varied from 100-1100 meters (110-1200 yards, for the metrically challenged). Click here to view the cartridge and chamber print on the SAAMI website. As the dust settled and reality set in this dissipated a bit. 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. 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. Wait a minute. The cartridge is specifically designed to maximize performance in AR-15s with barrels between 12 and 24 inches. I am a much better bolt gun shooter than AR shooter. They run the gamut from tiny benchrest numbers to those with larger cases that essentially duplicate many factory rounds. (The company envisioned it as primarily a deer-hunting round, with occasional use on varmints.) It is larger than the 6x47L and matching the 6-Creedmore capacity. The rim diameter of the 6mm ARC is 0.441 inches, while the 243 is slightly larger at 0.471 inches. If you already have an AR chambered in 6.5 Grendel, the ONLY thing you need to change is the barrel. The Mossberg 500 Pump Action Shotgun is one of the most popular home defense shotguns on the market. The strings netted three or four out of five, misses were off the edge. 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! It will be interesting if they chamber this in micro-action bolt carbines like the Grendel has been. . In a 10-mph crosswind the 6mm ARC 108-grain bullet drifts 10.9 inches at 400 yards. 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. The hunter can add about 100 to 150 fps of additional velocity to most game-weight bullets. The 6x45 is the .223 Rem. Using a LabRadar chronograph to measure velocities, we saw an average of . Rifle cartridges (l. to r.) .308 Win, 6mm ARC, 300 AAC, .223 Rem, Hornady 6mm ARC Cartridge - What You Need to Know, Public Introduction - 6.5 Creedmoor - 6mm-ARC-Public-Introduction-Rev-2020-06-18.pdf, Brand new rifle caliber: 6 mm ARC, Hornady's Advanced Rifle Cartridge! wasnt the only knife in the drawer, even if it was the sharpest one. Some tactics never die, they just get regenerated. Check one out and join the race to the bottom. This increased size means the 243 has a case capacity of 53-54.8 gr H2O. Dropped on my M16 lower doubles and triples stayed on a full-sized silhouette out to 25 yards, stretched doubles to 50 yards. Comparing 6mm ARC to 6mm CR is is apples and oranges again. Has any one who has both ever measured the case capacity (H2O) My google foo has failed me. The 6mm GT easily attains more than 3,000 fps. It recoils about 50% less than any long-range 308 Win. Precision Rifle Podcasts - 4 Podcasts Hosted by Top 10 Shooters. What follows is my experience shooting the 6 ARC compared to five other calibers. 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. Unless youre carrying this into combat, Im not sure it matters. For now, though, it is anything but a sea change amongst the broader Special Missions Units. But the 6mm ARC drops 22.2 inches. [citation needed]. ELD (l.) makes for an excellent long-range target round, while the 103-gr. Aug 11, 2020 . Its why the 308 is absent from this test. muvef Junior Member. This means you have the option to read your magazine on most popular phones and tablets. There is no magnum behind those titles, yet they are fastest or close to fastest in their calibers. Contact ultimate reloader by clicking here. Years ago I authored an article titled Lies, Damn Lies, and Ballistics. 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. There are 6ARC bolt guns out there. 100-300m: Consistent 100 meter groups in the .60 -.75 inch range, 2.5-3.0 inches at 300 meters were the norm. Again using QuickLoad, I developed the following load: Here I saw velocities averaging 2,631 FPS. Second, it was chambered in the delightful Winchester Model 70 Featherweight, which was a major factor in the .243s huge success. It would seem to make a dandy handgun round as well. bullets in .243" help make the light-kicking, short Hornady 6mm ARC ballistically superior to the 308 Win., 6.8 SPC. Interestingly enough, my history with 6mm rounds began with the 6mm Remington. In the 1970s, I had a Remington Model 700 BDL so chambered, and I took my first Texas whitetail with it. 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). Thread starter Travis224; Start date Aug 11, 2020; Forums. That was the era of increasing muzzle velocity. Image shows 6.5 Grendel cartridge, parent case of the 6mm ARC. 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. I have a precision set up AR in 224 Valkyrie. H4895. Review: Hornady 6mm ARC. GD. It hits way above its weight class.
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