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

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. 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). The newest 6mm factory round is the recently announced 6mm ARC (Advanced Rifle Cartridge). Based on my best estimation, my H-4896 108 ELD-M load would produce approximately 2,754 FPS in a 24 bolt-action rifle. The benchrest crowd has not been overlooked in the 6mm derby, and one cartridge literally rewrote the record book. 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 handguard bolts to the upper eliminating impact shifts when setting the bi-pod or locking into a barricade or obstacle. In most woods that I was hunting in at that time, I couldn't . Closer to 43, I think. Poll: Whats your number one reason for reloading? You won't have to fiddle with necking/reforming in 6XC. If you already have an AR chambered in 6.5 Grendel, the ONLY thing you need to change is the barrel. 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. SPC; the 300 AAC Blackout, 350 Winchester Legend and 458 Bushmaster. There is no magnum behind those titles, yet they are fastest or close to fastest in their calibers. I also measured five fired but not resized factory 6mm ARC cases. Tests varied from 100-1100 meters (110-1200 yards, for the metrically challenged). Full Member. The 6x45 is the .223 Rem. With more case capacity, the 6mm BR can drive the heavier, higher BC bullets needed at long distance. 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. This made sense. Cal December 9, 2018 Leave a comment. Posts. Hornadys 80-grain GMX and 103-grain ELD-X and the Speer 90-grain Hot-Cor all are accurate and deadly. Its case is bigger and its report louder, but it is deadly effective in the field. I did a ladder test one time at 300 meters on an electronic target, the Norwegian ones that have verified accuracy. When youre shooting dozens and dozens of rounds in a single competition, barrel life matters. Will it become my 1000 yards rifle, maybe, it is working against the 224V and the jury is still out and will be until I get my hands on their TAP round, Ill keep you posted. What follows is my experience shooting the 6 ARC compared to five other calibers. Your email address will not be published. Five more for effect as fast as I could get back on target ended the drill. continues to ride the crest of the 6mm-caliber wave, the tried-and-true 6mm Rem. H-4895 is closer to the 6.5 Grendel sweet spot, so I thought it would be worth a try. Both were termed Pointed Soft Point Core-Lokt bullets. It was the wildcatters who brought it back to life by fiddling with a couple of popular designs. Some smaller capacity, low velocity rounds are tailored for sub-sonic, low-report firing for clandestine military engagements. As Jackie says there's a big difference in the cases. This makes it a factory cartridge, although no factory ammo is available, and guns chambered for it are all custom jobs. pavementends Junior Member. Hornady is an obvious first choice for selecting 6mm projectiles to load the 6mm ARC with. 2730 FPS and way over-pressured though SDs were single digits, groups were all just over 1.25 MOA. is One Gun To Rule Them All, New 270 Cartridges Challenge 6.5s and 7mms. Read on! Tested, selected and fielded by a specialized group within the U.S. DoD for its multipurpose combat rifle program, the versatile 6mm ARC does much of what larger cartridges can and everything that smaller cartridges cant. Oct 7, 2010 530 254 44 Council Bluffs, Iowa. 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.". It has had moderate success in various target venues. The old 243 Winchester can beat that by about 300 fps. The content on this website (including videos, articles,ammunition reloading data, technical articles, gunsmithing and other information) is for demonstration purposes only. To get started, click the link below to visit mymagnow.com and learn how to access your digital magazine. The 24 Nosler is a terrific performer, so dont let its small size fool you. Its why the 308 is absent from this test. remains a solid performer with todays high-tech bullets, new powders, and fast-twist rifle barrels. 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 . Im interested in a direct comparison to the 224 Valkyrie and the 6 mm ARC. Before there were scopes or red dots there were iron sights. In very simple terms, the 6mm ARC's exterior ballistics exceed . Five shot rapid-fire was not bad. L. to R. are 243 Winchester, 6mm Remington, 240 Weatherby Magnum. 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. .243 bullet for military (combat) applications in modern, autoloading rifles. only ever shot someone else's 6br but I have to say I liked it a lot . I had a 6mm Norma BR built on a Remington 700 and I could not get it to feed from the magazine. In many ways, the race to the bottom is paying off. Availability of factory ammo may be a plus for the 6ARC. Factory match rounds start at 155 grains and go up. Use load data at your own risk. Poll: What Progressive Reloading Press Do You Use Most? The Hornady 6mm ARC is at its best with long for caliber, high BC bullets like this Berger 108-grain Elite Hunter. Factory ammunition at normal prices (if that exists anymore) suitable for defense, duty, target, and hunting is more available than similar calibers after decades of use. was everything the .244 Rem. Five rounds for effect at 1100 ended the drill. 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. These developments are interesting, and the supreme accuracy achieved by several of the wildcat cartridges make them worthy of mention here. And it made the new round available in the very attractive and accurate Model 700. Contact ultimate reloader by clicking here. The .243 Win. But the 6mm ARC drops 22.2 inches. 22420 C.O.L. 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. Modern Outfitters MC7, Proof Research 22 6CM, Bushnell Elite Tactical XRS 4.5-30, Hornady 108 grain ELDM. Ballistically, thanks mostly to heavy-for-caliber, high B.C. HunterMann Well-Known Member LRH Team Member Joined Jan 18, 2021 Each session started with a cold shot at 100 meters confirming zero while showing repeatability out of the bag. WT?, Tactical Time Lord. ELD-X . You might be surprised to discover you've come out on top! (roughly .530 to .540 B.C. No knobs, just a hold using the reticle, find it, read the wind, hold, and press, adjust as needed and repeat. The Hornady 6mm ARC takes the 24-caliber into record territory the slowest muzzle velocity of any commercial cartridge propelling .243 bullets. projectiles make up for their lower MV with less wind deflection, the toughest variable to battle at long range. The 6 ARC proved at 2720 fps with a Density Altitude of 8800 feet. I did not have time to work up a load for accuracy, so Ill defer that discussion for a future post. No factory rifles or ammo was available, but for a while, Federal offered nickel-plated 6x47 cases. $1.75/Round. 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. The first groups were the 6.5 Grendel cases that I modified for the 6mm ARC. The 243 has a case length of 2.045" compared to the 1.49" of the 6mm cartridges. Editors Note: Looking for a deeper dive on the 6.5 Grendel vs. 6mm ARC? It may not display this or other websites correctly. has not been on game, some loads stand out. To keep the 115-grain Berger VLD (G1 B.C. In between: Everything performed swimmingly between 100-400 meters as they should, once again the ZEV shines here with no recoil and consistent accuracy, almost boringly easy to get hits. 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. Maximum Cartridge Overall Length is 2.26. Mikey Hartman, Lt. Col. The 6mm GT easily attains more than 3,000 fps. Whats more: Its already SAAMI approved! No surprise there since it is about the same weight as the 6 ARC and both used Proof Research barrels. [5], The cartridge makes use of 6mm (.243 in) bullets, which are known for their high ballistic coefficients due to the high sectional density with less drag and better energy retention at extended ranges. All of the eyeball'ed loads produced sub-MOA groups. Material connection (partnerships) information available at http://ultimatereloader.com/about/, 6mm ARC is so new that as of the writing of this article, published load data did not exist! .563) from wobbling, the 6mm ARC will need at least a 1:7 twist. In 100-200yd benchrest competition, the 6PPC is still the "winningest" cartridge around. Heres a quick look at the best of this cohort. L. to R. are 223 Rem., 6.5 Grendel, 6.8 Rem. 6.5 Creedmoor vs. 6.5 PRC: Which is Better? Let us count the ways. bullets. The bullet drop for the 6.5 Grendel is slightly greater because it's a larger bullet. 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. The suppressor is an X2Devgroup, Orion X. Its short at 6, light at 16 ounces, and has no backpressure eliminating excess gas. But I wanted to get some real-world results with my new CMMG Endeavor 300 6mm ARC AR-15 published as soon as I could, and therefore embarked on an exciting journey. 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. The powder charge I used then is lost to history, but the bullet was a Speer 90-grain SP. Poll: What Reloading Components Cant You Find? It fits in an AR mag. Will it be my go-to bang away rifle, not likely. 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. 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. Not only did the rifle have a nice checkered American walnut stock, but also the light barrel was a handy 22 inches long. 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. 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. The hardest thing about ladder testing for the 6 BR is deciding which load is the best because they are so good. case necked up, made especially for ARs. The 6mm Creedmoorin the same fashion of its larger counterpartfits those bullets very well. and 6mm Rem., but it pushes them a little faster. Photo Courtesy Berger Bullets. Will it supplant mainstream calibers? for decades and have experienced no odd problems with it. 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 .222 Remington, introduced in 1950, was top dog in benchrest circles until the advent of the PPCs, after which, the 6mm PPC was used by virtually all serious benchrest competitors. The ARC seems to be knocking on the heels of a BR. Benchrest (BR) shooters will go to almost any length to shave 0.001 inch off of their aggregate average, and there is a diverse assemblage of 6mm wildcat rounds for BR shooters. Interestingly enough, my history with 6mm rounds began with the 6mm Remington. The author marvels at the gun industry's ability to create ever more cartridges that keep the shooting sports fresh. Required fields are marked *. 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. No math test required. Fast is better but slow means mo? 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. LMT shot softer, exhibited a tank-like build, and proved great to shoot. H4895 with 5-shot groups from the high .5s to 1.0 MOA. It started as a popular wildcat before its approval by SAAMI. Using a LabRadar chronograph to measure velocities, we saw an average of . Who knew wild turkey's were so stupid!? Every rifle is a proven performer to 1100 meters and an AR using the same or similar suppressor, no brakes, flash hiders or conventional suppressors. Like the grendel though you probably don't want to run high pressures on an ar bolt though. 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. Would love to get this thing shooting consistently under .5 with enough speed to reliably ring steel at 1000. Shots are on 12 round steel and 22 x 16 silhouette steel at 600 and 1100 meters. If you have any doubt how well Hornady does this look no further than the 6.5 Creedmoor. Clearly better to galivant around the countryside with then an AR10. 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 muvef Junior Member. They held a very consistent 34.58 grains of water. Short, fat cartridges leave room for long necks that hold long, high B.C. Standard practice is to start tweaking burn rates, bullet weight and weighting factor to make calculated muzzle velocity match actual. The 6mm CM at 300yds is 2514 and 1446 and 6mm ARC is 2288-1197. Recoil is subjective and using the same bullet weight they were all close. Handloads are easy to prepare, and while my limited use of the .240 Wby. Twist rate was one turn in 10 inches, which handled the 100-grain deer bullets nicely. Curious? 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. As such, SAAMI maximum average pressure is set at a relatively mild 52,000 psi. While almost any combination of components seems to shoot well, my favorite powders are Hybrid 100V, Reloder 17, and Power Pro 4000MR. Sneak Peek of Bryan Litz's New Book: Volume III of Modern Advancements in Long Range Shooting. Only a few metric calibers have been really popular in the United States6.5mm and 7mmso the Great 6mms are relatively few in number. 6mm ARC: Fact or Fiction? bullets for the Hornady 6mm ARC. It recoils about 50% less than any long-range 308 Win. (In the 1960s, Speer made a 105-grain RN just for the .244 Rem.) 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. A memorized trajectory curve combined with a ballistic reticle or turret dialing could compensate. Read it here. Thank you for this timely video. In the 1970s, the .222 Rem. Advanced Marksmanship Unit. The short reality is somewhat different. Really liking the 6mm Arc in this CZ 527 platform. And thats the subject of this article: chronicling my first loads (I did not have factory ammunition to test) and validating claims related to 6mm ARC performance. 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. Shooters needed cartridges that would fit these increasingly popular, super-short actions. 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. ), 6mm ARC brass (new), 6.5x47 (New) Sierra 6mm Gamechanger 90gr and 6.5 130gr Gamechanger, Update on my BadRock 6mm ARC bolt gun and new Hornady Podcast, Custom 700 in 6mm Norma BR (ARC, Timney, Bartlein) *Price drop*. Should I consider another upper? Always cross-reference load data with manufacturer's published data. I must note here how hard it hit. rebarreled to 24 Nosler with a stainless-steel, three-groove PAC-NOR barrel. Messages. Some examples include the 6mm-204 and the 6x45. We show you how. Barrel-length is an issue. Your email address will not be published. Arguments amongst experts (real and self-delusional) spewed forth with ferocity. Your email address will not be published. While it is the same length of 20, my twist is faster at 7 rather than Gavins 7.5. Do not attempt any of the processes or procedures shown or described on this website. VLD, Hornady 108-gr. Lower velocity means less flame and heat for longer barrel life. This means you have the option to read your magazine on most popular phones and tablets. 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. Consistency remained about the same with 2 or 3 out of five the norm. That flattens trajectories somewhat and applies a bit more punch to the game. Some tactics never die, they just get regenerated. Geissele fixed gas block was retained with no change in brass ejection pattern or bolt speed. Consider the 7mm, 300, 338, and 375 Remington Ultra Magnums. Developed by Hornady in concert with Proof Research and Barret Rifles, the result is a SAAMI spec and full support. I cant speak for the ARC, but for the 6BR. 07-08-2022, 07:47 PM . NOTE: This 6mm ARC reloading data is intended for use in bolt action rifles safe for pressures up to 62,000 psi. Winchesters strategy for the .243 was twofold and well thought out. 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. See full disclaimer below. Ok from the perspective of one 6mm ARC lover. So what about Hornadys published 2,750 fps number for the 108 grain ELD-M bullets in 6mm ARC? Joseph VonBenedikt is with Joel Hodgdon to talk about the improved accuracy and long-range potential of the already reliable Core-Lokt ammo line. Claims for the 6mm ARC are that it is better in every category. A new 6mm round blossomed in 2017, and it has already taken a position in the Great category. I don't know the velocity, but I suspect something under 3k. .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. 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. Learn the difference between revolvers and semi-auto pistols and what makes them different. 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. | 0 comments. Shop 6.5 Grendel Ammo Low velocity coupled with relatively light bullets reduces recoil. Using 26 to 28 inch barrels in bolt guns, 6ARC may be easy for those that do not reload or have primers. Not liking Factory ammo so much as the longer OAL is a fair bit more difficult to load the magazine. According to some of the PRS crowd it lets you spot shots through your scope. Poll: Where are you finding reloading primers and powder? All Rights Reserved, Borden's 7mm Rem. It is larger than the 6x47L and matching the 6-Creedmore capacity. You may know one or two more. Save my name, email, and website in this browser for the next time I comment. Photo shows 5 popular short rounds for the AR 15 platform, same short action the Hornady 6mm ARC is engineered to fit. I chose to start with Varget because of what I read about 6mm PPC, and I have a lot on hand! The cartridge is specifically designed to maximize performance in AR-15s with barrels between 12 and 24 inches. Snipers Hide is a community of Snipers of all kinds, focusing on long range shooting, accuracy, and ballistics. Posted: 11/11/2012 6:04:07 PM EST [#2] Velocity with a 105gr bullet from both is 2750 fps. for a Remington 40XB Rifle in 6m/m Remington Bench Rest back in 1985 or so. Cold shots fell inside half an inch of the center a couple cut the red center dot. I had a heavy-barreled Sako single shot in the 1970s, and it shot like almost all 6mm PPCs: great. Thanks Find. But since there is no factory ammo, 24 Nosler shooters must handload. This is, after all, a rifle forum and accuracy matters! And just in case some hunter wanted to knock off a deer with his .244 rifle, the company also offered a 90-grain loading. Mag. This increased size means the 243 has a case capacity of 53-54.8 gr H2O. Available in different sizes and red dot ready, it'll fit your needs, whatever they are. 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. For me because I have a cz527 I can convert enough said. Jan 13, 2021. The Hornady manual states that this second set of data should not be used in gas-guns. Dave Bahde Dr. WT? Founded by Frank Galli in 2000, Snipers Hide has been offering informational videos, podcasts, and other support to its users in one location. 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. GD. I to have a precision .224 V and would love to see a real world side be side comparison with the 6 ARC. The 6mm ARC is a more aerodynamic bullet than the 6.5 Grendel. and puts more impact splash on steel plates than any .224 rounds. Location. All gunsmithing procedures should be carried out by a qualified and licensed gunsmith at their own risk. The 6 ARC can be built on mini actions such as the CZ 527, Howa Mini, Sako AI. It is versatile, in that it is suitable in both ARs and mini-bolt guns for hunting, personal protection, and target shooting. (Maybe in 6mm ARC? Todays fast-twist .223s and heavy bullets have made it effectively obsolete. Thanks in large part to new, long-range shooting competitions, our acceptance of lower velocity accelerated even as muzzle velocities decelerated. range.) Another cartridge that deserves mention is the relatively new 24 Nosler. You are using an out of date browser. It accepts all the same components as the Grendel, including the magazine and bolt, so all you need is a 6mm-specific barrel. The 6mm GT, left, seen next to another precision cartridge, the 6mm ARC. The 6mm ARC is designed to run in existing in M4 rifle platforms. The original 6 mm/.244 Rem is basically the .257 Roberts/7x57 case necked down, while the 6 mm BR Rem/Norma (only slightly different case specs between them) are much shorter cases. Guns & Ammo's first sample rifle chambered in 6mm ARC was a Ruger AR-556 MPR with an 18-inch barrel. 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. It is accurate, produces good velocities, and the copper eraser stuff in this powder makes barrel cleaning a breeze. It is based on the .308 Winchester case, necked down with no other change. Cartridge Specs. Again using QuickLoad, I developed the following load: Here I saw velocities averaging 2,631 FPS. The sudden popularity of the AR-15 platform rifle has inspired a flurry of new, short cartridges that fit its short magazine.