6mm arc vs 6mm br 6mm arc vs 6mm br

!function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0],p=/^http:/.test(d.location)? Recoil is primarily a product of bullet weight. Some smaller capacity, low velocity rounds are tailored for sub-sonic, low-report firing for clandestine military engagements. You are using an out of date browser. Its all about the lack of correlation between mapping out rounds on a computer and sending them downrange at targets measured in yards. was necked up to 6mm and called the 6x47. One other fine 6mm round is the .240 Weatherby Magnum. 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. For hunting purposes I expect 100 grain bullets & less will be preferred in this platform based on my experience. Like the grendel though you probably don't want to run high pressures on an ar bolt though. 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. Given all the focus on the Armys NGSW (Next Generation Squad Weapon) program when the Hornady 6mm ARC was introduced it was pretty easy to mix the two up. Hornadys 80-grain GMX and 103-grain ELD-X and the Speer 90-grain Hot-Cor all are accurate and deadly. See full disclaimer below. I had only some pre-primed new Hornady 6mm ARC brass to start with and the SAAMI Specs for 6mm ARC. I don't shoot past 300 and dead is dead. Location. bullets straight and seated above the powder reservoir. So what about Hornadys published 2,750 fps number for the 108 grain ELD-M bullets in 6mm ARC? 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. Its accuracy is simply phenomenal, and it makes a superior varmint cartridge. An eighteen-inch barrel, maybe even a. Snipers Hide is a community of Snipers of all kinds, focusing on long range shooting, accuracy, and ballistics. I also shot mine with an Ultra 9 direct-thread suppressor. Its design uses propellants efficiently. SPC; the 300 AAC Blackout, 350 Winchester Legend and 458 Bushmaster. Then the AR-15 platform exploded and the game changed some more. 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. was everything the .244 Rem. In my next story Ill be deep-diving on the CMMG Endeavor 20 6mm ARC AR-15, and will be stretching its legs to greater distances. Not a contest. Her 6mm Creedmoor rifle is light and handy and shoots like a house afire, and recoil and muzzle blast are modest. The Model 70 .243 Win. Hunters may see an advantage as the ELDX and other hunting bullets are tested. V-MAX Item No. They have 10 solid options ranging in weight from 90 to 110 grains. I hired a Mossberg in 243 Winchester to take this multi-tined TX Hill Country whitetail with a single shot. I therefore feel that Hornadys claimed performance data is feasible. I don't know the velocity, but I suspect something under 3k. Did the 6 ARC outperform the .223? Ballistically, thanks mostly to heavy-for-caliber, high B.C. Sort by. And its performance is effective with a variety of bullets. Posts: 38 Threads: 10 Joined: Aug 2020 #1. The .223 75-grain bullet, by contrast, drifts more than 15 inches at that range, and the ARC's advantage becomes more pronounced at longer ranges. Whats more: Its already SAAMI approved! Savage Model 110 Timberline 6.5 Creedmoor Rifle: Full Review, SIG Sauer P365 Pistol Now Offered in .380. Both can produce sub-MOA groups, but 224 Valkyrie seems to spread out faster than 6mm ARC. ELD-Match, and Berger 115-gr. I had a 6mm Norma BR built on a Remington 700 and I could not get it to feed from the magazine. Make sure to watch till the end. Read on! Which it does pretty well within those limitations. Poll: What Progressive Reloading Press Do You Use Most? The powder charge I used then is lost to history, but the bullet was a Speer 90-grain SP. Powered by UBB.threads PHP Forum Software 7.7.5. I have a precision set up AR in 224 Valkyrie. : 2.095" G1 B.C. I'm a 6.5x47 lapua man myself. Cleaned it all but twice missing one cold shot at this range. L. to R. are 243 Winchester, 6mm Remington, 240 Weatherby Magnum. (Maybe in 6mm ARC? The 6mm ARC produces a larger splash signature that allows shooters to self-spot impacts and make rapid adjustments. Closer to 43, I think. 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. Availability of factory ammo may be a plus for the 6ARC. Accordingly, the firm introduced two loads. 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). Each rifle ships with one 10-round magazine. Lapua brass is easy to find, however the bullet (105 Hybrid) and powder (Varget/H4895) most run will be tough to find. 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. Modern Outfitters MC7, Proof Research 22 6CM, Bushnell Elite Tactical XRS 4.5-30, Hornady 108 grain ELDM. Follow up to the above. Oct 7, 2010 530 254 44 Council Bluffs, Iowa. Hey Gavin and fellow Ultimate Reloader Fans: I had a chance to do more testing today as I finally received some Hornady factory 105 grain Black ammunition. Travis224 Sergeant. The case capacity of a 6mm AR is about 36 gr. I am a much better bolt gun shooter than AR shooter. bullets for the Hornady 6mm ARC. This is fortuitous, as it is a delight to reload and seems to like just about all the bullets Ive tried in it. The difference between the 6 mm BR Rem and the 6 mm BR Norma are slight, but in a tight chamber . 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 . The 6mm Creedmoorin the same fashion of its larger counterpartfits those bullets very well. H-4895 is closer to the 6.5 Grendel sweet spot, so I thought it would be worth a try. Mid-20th Century 24-calibers shoot much faster than the new Hornady 6mm ARC, but are they ballistically better? Always cross-reference load data with manufacturer's published data. I used the lathe to modify a 6.5 Grendel bushing die and ended up with a 6 ARC die. Advantage, magnum. Mag. It hits way above its weight class. And it made the new round available in the very attractive and accurate Model 700. All Rights Reserved. I had a heavy-barreled Sako single shot in the 1970s, and it shot like almost all 6mm PPCs: great. Facebook; Twitter; Pinterest; Related Articles. Posts. Posts: 11,077. Fred Huntington, founder of RCBS, developed a then-new 6mm cartridge by necking down the .257 Roberts case. WT?, Tactical Time Lord. I cant speak for the ARC, but for the 6BR. 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. Hornady is claiming its 6mm ARC will yield 2,750 fps with a 108-grain ELD-M bullet from a 24-inch barrel. Who knew wild turkey's were so stupid!? Quickload can be frustrating when there is more than 10 FPS difference between calculated and measured MV. Thread Modes. Or anything? 260RemGuy: I began a five year long search (bribery fest!) Maybe in a rural area where ranges stretch out, but movement here will be a rarity. There is a lot of hoped for or imagined history related to the 22 BR and 6 BR cartridges. Once lasers hit the fields, the game began to change. With the super bullets and modern powders of today, I cant imagine a better deer and antelope round. Commercial 6mm ARC offerings will feature bullets selected to deliver ideal performance for hunting, match shooting and personal protection applications. 6mmBR is not the easy button it is the easiest button. But on paper it looks promising. It was the wildcatters who brought it back to life by fiddling with a couple of popular designs. Reduced recoil minimizes flinching and enables shooters to see their hits or misses so they can correct for subsequent shots. The overall length of the 6mm ARC is 2.26 inches which is almost half an inch shorter than . How do lower velocity cartridges improve long-range shooting? 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. (roughly .530 to .540 B.C. Head diameter is .441, a bit less than the .535" head of the short-lived 243 WSSM which was a lot faster than the ARC. Curious? There you have it. With more case capacity, the 6mm BR can drive the heavier, higher BC bullets needed at long distance. As you can see, velocities differ by 170 - 220 fps, with the lighter 6mm ARC moving faster from the compact case. Its a long-distance for any of these and conditions were anything but ideal. Thread starter Travis224; Start date Aug 11, 2020; Forums. The Eagle Eye 6.5 Creedmoor shoots a 130gr hybrid projectile with a .295 G7 at 2,960fps from an average 26" barrel. 2023 Outdoor Sportsman Group. You must log in or register to reply here. I wasn't going to take a shot at more than 50 or 60 yards and would take my time before I squeezed the trigger. Legend, 450 Bushmaster. August 14, 2022. Always used manufacturers published load data! A fun challenge. The old 243 Winchester can beat that by about 300 fps. The 6mm Rem. 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. You'll need a new barrel, bolt, and mags. Mag. Sectional densities are similar, and both should be good penetrators. WARNING: The load development techniques and load data shown in this video are experimental and are for DEMONSTRATION PURPOSES ONLY. Not a single stoppage amongst them too include a couple 17 round full auto mag dumps. I have never had a easier caliber to load for. 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. '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. H2O. It stays supersonic farther downrange than the 308 Win. 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. How about the 26, 27, 28, and 30 Noslers? 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. Heres a quick look at the best of this cohort. It is NOT for use in AR-15 style (gas gun) rifles. The 243 has a case length of 2.045" compared to the 1.49" of the 6mm cartridges. rebarreled to 24 Nosler with a stainless-steel, three-groove PAC-NOR barrel. Advanced Marksmanship Unit. 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. 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. Ultimate Reloader LLC is not responsible for errors in load data on this website. It uses the ever-effective Hornady 100-grain RN InterLock with H4350 powder. Short, relatively fat cartridges concentrate powder near the ignition flame for an even, consistent burn with a tendency to improve muzzle velocity consistency. Really liking the 6mm Arc in this CZ 527 platform. Top loads used H322, W748, and Reloder 7 powders with 65-, 68-, and 75-grain match bullets. Subscriber Services. By comparison, the 6 mm ARC gets there in 2.04 seconds. Does the 6 mm arc not have 30 degrees shoulder angle?is wikipedia wrong? Low velocity coupled with relatively light bullets reduces recoil. If you want to shoot at distance with your AR-15, this is the cartridge. Your email address will not be published. The 6 ARC proved at 2720 fps with a Density Altitude of 8800 feet. The benchrest crowd has not been overlooked in the 6mm derby, and one cartridge literally rewrote the record book. 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. 1100m: This is more academic than real, but they claim 6mm ARC performs at this range (compared to the .223 and 308). This is a much more confidence inspiring correlation with regards to safety and predictability. But since there is no factory ammo, 24 Nosler shooters must handload. Each session started with a cold shot at 100 meters confirming zero while showing repeatability out of the bag. CMMG MK47 Banshee Review 25 Hogs Plus Coyotes Helped the Research, Top 5 Braced Pistols for Hog Hunting in 2020, https://www.youtube.com/watch?v=ykTfyrMiXps, Remington at Gunsite! Some tactics never die, they just get regenerated. 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. 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. 6mm ARC vs 6mm BR. The pair developed the .22 PPC in 1975, and the 6mm PPC followed in 1987. Your email address will not be published. Shooters needed cartridges that would fit these increasingly popular, super-short actions. He gave it a 32-degree shoulder and called it the .243 Rock Chucker.. has not been on game, some loads stand out. Cartridge Specs. 6mm ARC is so new that as of the writing of this article, published load data did not exist! .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. 75 GRAIN BULLETS SECTIONAL DENSITY: 0.181 DIAMETER: 0.243" 75 gr. The old 243 Winchester can beat that by about 300 fps. remains a solid performer with todays high-tech bullets, new powders, and fast-twist rifle barrels. 1,461. The 6mm ARC uses commonly available 6.5 Grendel magazines/bolts. The current reincarnation of this round is the 6mm BR Norma, with essentially the same case dimensions. can exceed it by 500 fps and the 240 Weatherby by 600 fps. You never know for sure, but its not a failure out of the box like so many others. Making those tweaks often feels like creating a powder that doesnt really exist. Its easy to understand why its such an excellent performer. 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. Whats the plus delta on each? Played at other stuff with the 6 ARC but that was the bulk of the testing. 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. Supporter. I never cleaned it with anything. The author marvels at the gun industry's ability to create ever more cartridges that keep the shooting sports fresh. 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! To keep the 115-grain Berger VLD (G1 B.C. The latest, sleekest, high B.C. Why step up to a loud, hard-kicking 300 PRC when youre dropping your deer with your 6.5 Grendel as far as you can shoot in your hunting field? I had three high capacity magazines using white followers, two 17 rounders with green followers. As the dust settled and reality set in this dissipated a bit. 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).