If you are looking for reams of data or ringing steel the size of a car move on, I am NOT that guy, you will be very disappointed. Overall, the 6mm ARC delivers optimum all-range performance and barrel life. This increased size means the 243 has a case capacity of 53-54.8 gr H2O. 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. Mag. Ok from the perspective of one 6mm ARC lover. Read on! Legend, 450 Bushmaster. You get most of the good without most of the bad and that is a pretty good start. As their names imply the biggest difference between the 6mm Creedmoor and the 6.5 Creedmoor is the bullet class. What about your 6.8 SPC? Will it supplant mainstream calibers? It would seem to make a dandy handgun round as well. It is accurate, produces good velocities, and the copper eraser stuff in this powder makes barrel cleaning a breeze. Maybe, if you are shooting farther out. Did the 6 ARC outperform the .223? Wildcatters have had a field day with the 6mms, and the list of their creations is long. !function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0],p=/^http:/.test(d.location)? Making those tweaks often feels like creating a powder that doesnt really exist. June 18, 2020 Gavin Reloading Blog 224 Valkyrie, 300 PRC, 6 ARC, 6.5 Creedmoor, 6.5 PRC, 6mm ARC, 6mm ARC Load DAta, 6mm Creedmoor, CMMG AR-15, CMMG Endeavor, CMMG Resolute, Hornady, Long Range AR-15, New Rifle Cartridge, Precision AR-15, QuickDesign Software, QuickLoad Software, Reloading, Reloading 6mm ARC, Reloading Blog, Reloading Press, Reloading Videos, Shooting 6mm ARC, Ultimate Reloader. Cleaned it all but twice missing one cold shot at this range. This is only a slight victory, however. 6mm ARC is so new that as of the writing of this article, published load data did not exist! However, the 6mm BR is superior at 300m and beyond. Let us count the ways. Any discussion of great 6mm cartridges must start (some would say end) with the .243 Winchester. Campfire Outfitter . bullets. Another interesting development is the 6mm Dasher that was developed by Al Ashton and benchrest gunsmith Dan Dowling. All Shooting Times subscribers now have digital access to their magazine content. The old 243 Winchester can beat that by about 300 fps. All gunsmithing procedures should be carried out by a qualified and licensed gunsmith at their own risk. Would love to get this thing shooting consistently under .5 with enough speed to reliably ring steel at 1000. I have the 6 ARC and getting great results of .250 groups when I do my part. Required fields are marked *. The 6mm GT, left, seen next to another precision cartridge, the 6mm ARC. Theres more coming related to 6mm ARC! Your email address will not be published. Available in different sizes and red dot ready, it'll fit your needs, whatever they are. Oct 7, 2010 530 254 44 Council Bluffs, Iowa. 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. 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. 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. 6 BR REM, not 6.5. Remington surmised that the .244 would be used mostly as a varmint cartridge, with only an occasional application on deer-sized game, so the initial factory ammo was loaded with a 75-grain bullet. 1100m: This is more academic than real, but they claim 6mm ARC performs at this range (compared to the .223 and 308). Tests varied from 100-1100 meters (110-1200 yards, for the metrically challenged). It may not display this or other websites correctly. Advantage, magnum. We're going backwards! | 0 comments. That flattens trajectories somewhat and applies a bit more punch to the game. H-4895 is closer to the 6.5 Grendel sweet spot, so I thought it would be worth a try. 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. The 6mm Creedmoor and it's smaller siblings like the 6mm Dasher, BR . Unlike the NGSW the 6 ARC is a standard cartridge fired from an AR-15. 6MM ARC AR-15 Barrels for Sale at Joe Bob Outfitters! This is exactly what we would expect. The .243 Win. A new 6mm round blossomed in 2017, and it has already taken a position in the Great category. The cartridge was developed by Noslers Mike Lake, and it was approved by SAAMI in 2017. The ballistics look great. remains a solid performer with todays high-tech bullets, new powders, and fast-twist rifle barrels. Above: 6mm ARC case capacity measured 33.96 grains H2O. Thats only a minor impediment for serious riflemen. Both hit at around 12 mils, the 6ARC just hit harder. In the 1970s, I had a Remington Model 700 BDL so chambered, and I took my first Texas whitetail with it. Low velocity coupled with relatively light bullets reduces recoil. Wait a minute. 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. For an ordinary AR-15 rifle chambered for the .223 Rem/5.56mm NATO, a new barrel, magazine and bolt are required to convert to the 6mm ARC. The 6mm ARC was built by necking down the 6.5 Grendel. The Hornady 6mm ARC takes the 24-caliber into record territory the slowest muzzle velocity of any commercial cartridge propelling .243 bullets. If this rifle is any indication all it took was a barrel, bolt, and magazine swap. pathfinder76 #14942491 06/04/20. Already offering hunting, practice, and LE (TAP) rounds, the 6mm ARC starts with a firm leg up and should not be discounted without regard to why it was developed. I decided that since I didnt have any load data, I would have to generate my own! I also confirmed velocity for existing conditions. Dr. Your email address will not be published. When youre shooting dozens and dozens of rounds in a single competition, barrel life matters. 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. Its almost boring. 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]. [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 already have an AR chambered in 6.5 Grendel, the ONLY thing you need to change is the barrel. F-Class A to Z with Erik Cortina + Special Guest! I wont even mention primers as that is just generic across the board with any caliber at this point. 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. 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. 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. MV consistency matters a great deal at extended ranges. If this development strikes you as the opposite of progress, you might have spent the bulk of your life in the 20th century. 6BR is the easy buttonstandard bolt face, top-quality brass, 30.0gr Varget under any 105-108gr match bullet to start. Click here to view the cartridge and chamber print on the SAAMI website. The bullet diameter of each caliber is the same at .243". The 6 ARC proved at 2720 fps with a Density Altitude of 8800 feet. I know what. HunterMann Well-Known Member LRH Team Member Joined Jan 18, 2021 One other fine 6mm round is the .240 Weatherby Magnum. 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. Variations on a theme. In 1955, on the heels of the .243 Win., the .243 Rock Chucker was modified slightly by Remington and became the .244 Remington. Just looking for a ball park difference. Dave Bahde Dr. WT? Sneak Peek of Bryan Litz's New Book: Volume III of Modern Advancements in Long Range Shooting. This means that during a 1,200-yard flight to the target, gravity and wind will pull and push on the 6 mm ARC between one- and three-tenths . Its accuracy is simply phenomenal, and it makes a superior varmint cartridge. 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. Ultimate Reloader LLC is not responsible for errors in load data on this website. The .223 does have advantages, though. Will it be my go-to bang away rifle, not likely. 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. Clearly better to galivant around the countryside with then an AR10. 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. 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.". But the 6mm ARC drops 22.2 inches. 260RemGuy: I began a five year long search (bribery fest!) I had only some pre-primed new Hornady 6mm ARC brass to start with and the SAAMI Specs for 6mm ARC. Poll: What Reloading Components Cant You Find? Low recoil is also noted. Not a contest. LMT shot softer, exhibited a tank-like build, and proved great to shoot. What explains that? Check one out and join the race to the bottom. with a collective yawn and flocked to the equally new and elegant Winchester Model 70 Featherweight in .243 Win. Does the 6 mm arc not have 30 degrees shoulder angle?is wikipedia wrong? Second, it was chambered in the delightful Winchester Model 70 Featherweight, which was a major factor in the .243s huge success. Do not attempt to repair or modify any firearms based on information on this website. Nearly two dozen rifle makers are already chambering for the round, including Browning, Proof, Christensen, Barrett, Mossberg, and Howa. Fast is better but slow means mo? It accepts all the same components as the Grendel, including the magazine and bolt, so all you need is a 6mm-specific barrel.

Most Hated Cricket Team In The World, Oops Looks Like You're Not Connected With Mirror, 2011 Wisconsin Football Coaching Staff, Brookdale Selling 44 Communities, Ohio Bodybuilding Competitions 2021, Articles OTHER