Mag., the 6mm-204 essentially recreates the 6x47. It was the wildcatters who brought it back to life by fiddling with a couple of popular designs. projectiles make up for their lower MV with less wind deflection, the toughest variable to battle at long range. 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. The Hornady manual states that this second set of data should not be used in gas-guns. It hits way above its weight class. Cleaned it all but twice missing one cold shot at this range. 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! The suppressor is an X2Devgroup, Orion X. Its short at 6, light at 16 ounces, and has no backpressure eliminating excess gas. Heres a quick look at the best of this cohort. The overall length of the 6mm ARC is 2.26 inches which is almost half an inch shorter than . (Maybe in 6mm ARC? The 6.5 Creedmoor shoots 6.5mm/.264 class projectiles while the 6mm Creedmoor is necked down to shoot 6mm/.243. There is nothing more competitve than a 6BR Norma when the wind is consistent or low. What explains that? Maybe in a rural area where ranges stretch out, but movement here will be a rarity. 75 GRAIN BULLETS SECTIONAL DENSITY: 0.181 DIAMETER: 0.243" 75 gr. Its design uses propellants efficiently. And its performance is effective with a variety of bullets. MV consistency matters a great deal at extended ranges. ELD-Match, and Berger 115-gr. The 243 has a case length of 2.045" compared to the 1.49" of the 6mm cartridges. 6 BR REM, not 6.5. I have a precision set up AR in 224 Valkyrie. Also 6X47 has also interested me. Alaska. Company literature in 1955 described both bullets as Soft Point.. Do not attempt any of the processes or procedures shown or described on this website. No knobs, just a hold using the reticle, find it, read the wind, hold, and press, adjust as needed and repeat. Maximum Cartridge Overall Length is 2.26. Doesn't the 6mm ARC have a smidge more powder capacity over the 6mm BR? Most Popular. 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. Joined: Jun 2002. With the super bullets and modern powders of today, I cant imagine a better deer and antelope round. 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. 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]. Shop 6.5 Grendel Ammo You will not find better quality and consistency when it comes to Lapua. With the 6PPC you have to turn necks and fire-form the cases from smaller 220 Russianbrass. Poll: Where are you finding reloading primers and powder? muvef Junior Member. range.) Your email address will not be published. Probably not. Hunter aiming AR-15 rifle for which the Hornady 6.5 ARC was created. 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. Clovered groups were the norm for both. They run the gamut from tiny benchrest numbers to those with larger cases that essentially duplicate many factory rounds. How do lower velocity cartridges improve long-range shooting? bullets of the 6mm Creedmoor. This increased size means the 243 has a case capacity of 53-54.8 gr H2O. 100 Factory ammo? | As much as I like shooting my 6 Creedmoor, every builder outside custom shops tells me it is a complete PITA to get to work on a large scale using factory ammunition, a real consideration. is One Gun To Rule Them All, New 270 Cartridges Challenge 6.5s and 7mms. 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. It also produced the best accuracy as seen here: This load is a good performer, but I wanted to see if I could get more velocity from the 108 grain ELD-M bullets, so I tried a different powder! Your email address will not be published. ARC stands for "Advanced Rifle Cartridge." The caliber is 6mm or .243. 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. Low velocity coupled with relatively light bullets reduces recoil. This is fortuitous, as it is a delight to reload and seems to like just about all the bullets Ive tried in it. 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. So, the 6mm ARC outperforms any magazine length 5.56x45mm NATO load simply through a combination of sheer horsepower and more efficient projectiles. All gunsmithing procedures should be carried out by a qualified and licensed gunsmith at their own risk. This isn't your grandpa's muzzleloading system. NOTE: This 6mm ARC reloading data is intended for use in bolt action rifles safe for pressures up to 62,000 psi. Larue Tactical two-stage, small parts are Seekins, the stock is an LMT. Modern Outfitters MC7, Proof Research 22 6CM, Bushnell Elite Tactical XRS 4.5-30, Hornady 108 grain ELDM. Learn more here: http://bit.ly/1G7xXag. Blue collar reloading had 25 boxes of brass right now. I decided that since I didnt have any load data, I would have to generate my own! Obviously, they are not nearly as popular as the 6mm hunting cartridges. The 6.5 Grendel products deliver about 25.3 inches of drop at 400 yards when the rifle is zeroed to 200 yards. When using shorter barrels, which are common on gas-guns, the difference will be even more pronounced. Joined. case necked up, made especially for ARs. bullets from the magazine and not be limited to being a single shot. For me because I have a cz527 I can convert enough said. With more case capacity, the 6mm BR can drive the heavier, higher BC bullets needed at long distance. It has had moderate success in various target venues. 6mm ARC: Fact or Fiction? 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. 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. Has any one who has both ever measured the case capacity (H2O) My google foo has failed me. Accuracy was up to par, and shooters took to the rifle-cartridge combo like a duck, well, you know. In the 6mm ARC vs. the rest of the calibers vying for your attention, we have to ask if it the next 6.5 Creedmoor. 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. In an effort to salvage the .244 Rem., in 1963, Remington changed the name of the round to 6mm Remington and the barrel twist rate to 1:9 inches. Twist rate is 1:7.5 to stabilize the long 105- to 108-grain high B.C. 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 bullets like Hornady's 108-grain ELD-Match, the Hornady 6mm ARC drops and drifts less than any 223 Rem. Shooters greeted the .244 Rem. Taurus has redesigned this sporting pistol for performance. .563) from wobbling, the 6mm ARC will need at least a 1:7 twist. 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. 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. This makes it a factory cartridge, although no factory ammo is available, and guns chambered for it are all custom jobs. In very simple terms, the 6mm ARC's exterior ballistics exceed . 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. Both hit at around 12 mils, the 6ARC just hit harder. L. to R. are Berger 95-gr. Facebook; Twitter; Pinterest; Related Articles. Always cross-reference load data with manufacturer's published data. The 6mm GT, left, seen next to another precision cartridge, the 6mm ARC. Or anything? 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. 6.5 Grendel The 6mm ARC delivers comparable performance from a wider assortment of bullets, making it a more versatile choice. These developments are interesting, and the supreme accuracy achieved by several of the wildcat cartridges make them worthy of mention here. The 6mm ARC is designed to run in existing in M4 rifle platforms. Its case is bigger and its report louder, but it is deadly effective in the field. The problem is that Hornady, which developed the 6 mm ARC, made a slight alteration to the case length so that it would be compatible with very long 6 mm bullets that have a high BC. was introduced in Remingtons Model 722 short-action bolt gun, and while the Model 722 was a very accurate rifle, it was rather plain. Subscriber Services. Both were termed Pointed Soft Point Core-Lokt bullets. VLD, Hornady 108-gr. Savage already offers a few more inexpensive options in 6mm ARC though defiantly not a mini action. Its release as a commercial round was presaged by a number of successful 6mm wildcats like the 6mm AR based on the Grendel. 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. It recoils about 50% less than any long-range 308 Win. The general shooting public loves them for control of vermin like feral hogs. The Hornady 6mm ARC is at its best with long for caliber, high BC bullets like this Berger 108-grain Elite Hunter. I also shot mine with an Ultra 9 direct-thread suppressor. Velocity is 2,827 fps, and out of my Browning A-bolt II, it groups into 1.10 inches. Slower, sure, but not enough to matter in the real world on real threats. The strings netted three or four out of five, misses were off the edge. The ballistics look great. The 6mm Creedmoor and it's smaller siblings like the 6mm Dasher, BR . Or hunting? The .243 Win. Introducing the Silencerco SCO15 Lower Do We Need Another AR-15 Lower? [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. Will it be my go-to bang away rifle, not likely. Probably the most recoil came out of the 6 Creedmoor. Each session started with a cold shot at 100 meters confirming zero while showing repeatability out of the bag. So what about Hornadys published 2,750 fps number for the 108 grain ELD-M bullets in 6mm ARC? 260RemGuy: I began a five year long search (bribery fest!) Second, it was chambered in the delightful Winchester Model 70 Featherweight, which was a major factor in the .243s huge success. 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. In the case of a bolt gun, I'm sure 6ARC would do great but 6BR has quite a few advantages in case/neck dimensions alone. In most woods that I was hunting in at that time, I couldn't . LMT shot softer, exhibited a tank-like build, and proved great to shoot. All of these are heading in the opposite direction. Short, fat cartridges leave room for long necks that hold long, high B.C. The 6mm ARC was built by necking down the 6.5 Grendel. This is, after all, a rifle forum and accuracy matters! The difference between the 6 mm BR Rem and the 6 mm BR Norma are slight, but in a tight chamber . I had a 20 AR-15 to test with, so I had to do some math :). The cartridge is specifically designed to maximize performance in AR-15s with barrels between 12 and 24 inches. Joseph Von Benedikt shows his custom 500 and how well it shoots. When youre shooting dozens and dozens of rounds in a single competition, barrel life matters. Making those tweaks often feels like creating a powder that doesnt really exist. 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. 223 Rem., and most other cartridges that fit AR-15 length magazines and rifles. has much kick to start with. The 6mm ARC is a brand new cartridge that Hornady designed to fit into a standard AR-15. Full Member. The 6mm CM at 300yds is 2514 and 1446 and 6mm ARC is 2288-1197. Its easy to understand why its such an excellent performer. Joseph VonBenedikt is with Joel Hodgdon to talk about the improved accuracy and long-range potential of the already reliable Core-Lokt ammo line. 6mm ARC vs 6mm BR. Consider the 7mm, 300, 338, and 375 Remington Ultra Magnums. Another cartridge that deserves mention is the relatively new 24 Nosler. I fall into the latter category. You won't have to fiddle with necking/reforming in 6XC. Winchesters strategy for the .243 was twofold and well thought out. Slightly bigger still is the 6CM, which invokes much cooler H1000 powder (to best all these in barrel life). The 6mm ARC produces a larger splash signature that allows shooters to self-spot impacts and make rapid adjustments. Lets now realistically compare the 6mm ARC vs. five of its perceived competitors. bullets in .243" help make the light-kicking, short Hornady 6mm ARC ballistically superior to the 308 Win., 6.8 SPC. 6mm ARC vs 6.5 Grendel. 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. 07-08-2022, 07:47 PM . 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! Factory match rounds start at 155 grains and go up. !function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0],p=/^http:/.test(d.location)? One other fine 6mm round is the .240 Weatherby Magnum. 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. of H2O, almost right inbetween a 6 mm PPC, around 32 gr. The powder charge I used then is lost to history, but the bullet was a Speer 90-grain SP. Editors Note: Looking for a deeper dive on the 6.5 Grendel vs. 6mm ARC? 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? My guess is that Hornady is banking on a broader market with hunters and enthusiasts, once more ammunition is available. Before there were scopes or red dots there were iron sights. To keep the 115-grain Berger VLD (G1 B.C. Hornady is an obvious first choice for selecting 6mm projectiles to load the 6mm ARC with. The 6mm ARC uses commonly available 6.5 Grendel magazines/bolts. Posts: 11,077. Poll: What handgun cartridge do you reload most often? I have handloaded the .243 Win. 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. They built these rifles with great attention to detail. 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. Accordingly, the firm introduced two loads. Brought out by Hornady just a few months ago, this moderate-sized round is based on the 6.5 Grendel and shares similar rim and body dimensions. Those held a water weight of 34.74 grains with a SD of .14 grains. It doesn't need a .308 sized action to work. Unless youre carrying this into combat, Im not sure it matters. 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. Photo Courtesy Berger Bullets. Savage already offers a few more inexpensive options in 6mm ARC though defiantly not a mini action. This rifle originally started out as a 224 Valkyrie using their IRMT upper and NX15 lower. For now, though, it is anything but a sea change amongst the broader Special Missions Units. I did not have time to work up a load for accuracy, so Ill defer that discussion for a future post. Shots were aimed from a bi-pod, the rifle on the bench with me standing behind it. Let us count the ways. The Eagle Eye 6.5 Creedmoor shoots a 130gr hybrid projectile with a .295 G7 at 2,960fps from an average 26" barrel. ELD-X . The short reality is somewhat different. Some may scoff at the old-fashioned roundnose bullet, but it is a terrific game bullet, and I have never had to use a second shot to down a deer. 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. Team Hornaday is the master, bar none. It suffered no vertical stringing. Designed for superior long-range accuracy, the ENDEAVOR line features a 20-inch barrel so that you can squeeze out every drop of ballistic performance from this exciting new caliber. Any discussion of great 6mm cartridges must start (some would say end) with the .243 Winchester. This is a much more confidence inspiring correlation with regards to safety and predictability. Her 6mm Creedmoor rifle is light and handy and shoots like a house afire, and recoil and muzzle blast are modest. JavaScript is disabled. Closer to 43, I think. Wildcatters have had a field day with the 6mms, and the list of their creations is long. remains a runaway hit to this day. remains a solid performer with todays high-tech bullets, new powders, and fast-twist rifle barrels. Top loads used H322, W748, and Reloder 7 powders with 65-, 68-, and 75-grain match bullets. Once we could pinpoint exact distance to target, maximum velocity didnt matter as much. The ARC seems to be knocking on the heels of a BR. Cold shots fell inside half an inch of the center a couple cut the red center dot. The biggest differences between the 6mm PPC and the 6mm ARC are the shoulder angle (30 for 6mm PPC, and 40 for 6mm ARC), and the base-to-datum spec for the shoulder (6mm ARC is pushed back further). 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 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. The benchrest crowd has not been overlooked in the 6mm derby, and one cartridge literally rewrote the record book. Ever since the 6mm ARC came out I've been stuck on the idea of building one as a bolt gun trainer, specifically on a Tikka action. Ballistic coefficients are about equal, with a slight edge going to the 6mm 108 ELD . What follows is my experience shooting the 6 ARC compared to five other calibers. All of the eyeball'ed loads produced sub-MOA groups. 6BR is the easy buttonstandard bolt face, top-quality brass, 30.0gr Varget under any 105-108gr match bullet to start. Like the grendel though you probably don't want to run high pressures on an ar bolt though. A memorized trajectory curve combined with a ballistic reticle or turret dialing could compensate. The hunter can add about 100 to 150 fps of additional velocity to most game-weight bullets. The new Mossberg rifles chambered for the new 6mm ARC should give similar results with even less recoil -- not that the old 243 Win. .243 bullet for military (combat) applications in modern, autoloading rifles. First, the cartridge was designed for dual purposes: deer hunting and varmint hunting. I also measured five fired but not resized factory 6mm ARC cases. Contact ultimate reloader by clicking here. You can boost the performance of the 6mm ARC in a bolt action quite easily. 1,226. That flattens trajectories somewhat and applies a bit more punch to the game. Velocity can be a factor, but given the same weight, recoil should be similar so I kept the weights as close as possible. No factory rifles or ammo was available, but for a while, Federal offered nickel-plated 6x47 cases. 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. It gave dependable accuracy and high velocities. It was essentially the Huntington cartridge, but with a 26-degree shoulder for easier case manufacturing. Ballistically, thanks mostly to heavy-for-caliber, high B.C. was not, and the .243 Win. GD. GD. Some tactics never die, they just get regenerated.

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