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

They held a very consistent 34.58 grains of water. 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). Fast is better but slow means mo? For those using 6.5 Grendel, its a 5-minute barrel change. The 6mm Rem. Only a few metric calibers have been really popular in the United States6.5mm and 7mmso the Great 6mms are relatively few in number. Posted: 11/11/2012 6:04:07 PM EST [#2] Velocity with a 105gr bullet from both is 2750 fps. Federal has created a safer, easier and more reliable way to shoot a muzzleloader. | 0 comments. 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. (Ret.) 6.5 Creedmoor vs. 6.5 PRC: Which is Better? It gave dependable accuracy and high velocities. In many ways, the race to the bottom is paying off. I wont even mention primers as that is just generic across the board with any caliber at this point. Pretty cool having a light-weight AR-15 that can accurately shoot out to at least 900 yards. By comparison, the 6 mm ARC gets there in 2.04 seconds. LMT shot softer, exhibited a tank-like build, and proved great to shoot. Team Hornaday is the master, bar none. 6.5 Grendel vs. 6mm ARC Ballistics. He gave it a 32-degree shoulder and called it the .243 Rock Chucker.. 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. Salmon River Solutions: Ulra-Light Brakes, Rails, and more, Area 419 Orange Vise Maintenance and Barrel Change Jaw Kit, Hands-On: Phodera Armory Hill Country 30 Caliber Suppressor, Rifle Reloading Basics Pt1: Safety and Brass Tumbling, NEW Dies from Area 419: M-Series Sizer (In-Depth), Perfect Primer Seating with Frankford Arsenal, RCBS Lightweight Partner Press Unboxing and Overview, TESTED: Double Alpha Academy Turbo Case Feeder, Unsolved: 44 Magnum Over-Pressure Mystery, RCBS Lock-Out Die Part II: Setup and Maintenance, RCBS Lock-Out Die Part I: Theory of Operation, Reloading Safety: Powder Check Systems Overview. Shooters greeted the .244 Rem. While the .243 Win. I don't shoot past 300 and dead is dead. Short, fat cartridges leave room for long necks that hold long, high B.C. Five rounds for effect at 1100 ended the drill. Another interesting development is the 6mm Dasher that was developed by Al Ashton and benchrest gunsmith Dan Dowling. Give a Gift Short, relatively fat cartridges concentrate powder near the ignition flame for an even, consistent burn with a tendency to improve muzzle velocity consistency. The rifles Barrett supplied for the DoD are top-notch, but they are just a modified REC-7 DI. It fits in an AR mag. The current reincarnation of this round is the 6mm BR Norma, with essentially the same case dimensions. 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. 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. Long-range started with a cold shot at 600 meters using the reticle followed by one at 1100 meters using confirmed elevation dialed in, holding for wind. You can get the 6XC brass in Norma which is very good. 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. Even with the cost of the Proof Research barrel it doable. Its accuracy is simply phenomenal, and it makes a superior varmint cartridge. This means you have the option to read your magazine on most popular phones and tablets. If you already have an AR chambered in 6.5 Grendel, the ONLY thing you need to change is the barrel. [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. Maybe, if you are shooting farther out. 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. was introduced in Remingtons Model 722 short-action bolt gun, and while the Model 722 was a very accurate rifle, it was rather plain. As Jackie says there's a big difference in the cases. 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 . 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. In most woods that I was hunting in at that time, I couldn't . 6.8 SPC The 6mm ARC has more match bullet options and is a better long-range performer. 6mm ARC The newest 6mm factory round is the recently announced 6mm ARC (Advanced Rifle Cartridge). Im referring to the 6mm Creedmoor, which is simply the 6.5 Creedmoor case necked down with no other change. That was the era of increasing muzzle velocity. Fred Huntington, founder of RCBS, developed a then-new 6mm cartridge by necking down the .257 Roberts case. 2730 FPS and way over-pressured though SDs were single digits, groups were all just over 1.25 MOA. Some have stated that it offers comparable ballistics to larger 6 mm cartridges like the 6mm Creedmoor and .243 Winchester, but out of a smaller cartridge, however this simply is not true when comparing muzzle velocities between them. The only difference is the Proof Research 18 1-7.5 twist barrel, 6.5 Grendel bolt, and E-Lander magazines. Low recoil is also noted. for decades and have experienced no odd problems with it. Both bullets produce deer-slaying accuracy. One other fine 6mm round is the .240 Weatherby Magnum. But the 6mm ARC drops 22.2 inches. The Hornady manual states that this second set of data should not be used in gas-guns. 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. Then theres Hornadys new 300 PRC, Weatherbys 6.5-300 Weatherby, and several more modern speed demons. The ballistics look great. Interestingly enough, my history with 6mm rounds began with the 6mm Remington. Hornady's new 6mm ARC was designed for a specific military requirement; the 108-gr. Its a long-distance for any of these and conditions were anything but ideal. .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. Ultimate Reloader, LLC and Making With Metal can not be held liable for property or personal damage due to viewers/readers of this website performing activities, procedures, techniques, or practices described in whole or part on this website. 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. It debuted in 1955 and has been immensely and justifiably popular ever since. has much kick to start with. You may know one or two more. Advantage, magnum. I tried a test one time after that ladder test, I decided to eyeball the powder amount in the case. bullets. All of these are heading in the opposite direction. The content on this website (including videos, articles,ammunition reloading data, technical articles, gunsmithing and other information) is for demonstration purposes only. With the 6PPC you have to turn necks and fire-form the cases from smaller 220 Russianbrass. Read on! 6mm ARC vs 6mm BR. 100-300m: Consistent 100 meter groups in the .60 -.75 inch range, 2.5-3.0 inches at 300 meters were the norm. 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. Supporter. There are 6ARC bolt guns out there. ELD-X . In very simple terms, the 6mm ARC's exterior ballistics exceed . WARNING: The load development techniques and load data shown in this video are experimental and are for DEMONSTRATION PURPOSES ONLY. Twist rate is 1:7.5 to stabilize the long 105- to 108-grain high B.C. Reply. 100 Factory ammo? How do lower velocity cartridges improve long-range shooting? If this rifle is any indication all it took was a barrel, bolt, and magazine swap. 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. Those held a water weight of 34.74 grains with a SD of .14 grains. There is nothing more competitve than a 6BR Norma when the wind is consistent or low. You can get a 6 to 6.5 pound rifle which can shoot high B.C. This is fortuitous, as it is a delight to reload and seems to like just about all the bullets Ive tried in it. I started out a skeptic, not terribly excited about the 6mm ARC. It is based on the .308 Winchester case, necked down with no other change. (Maybe in 6mm ARC? Based on the .204 Ruger, which was created from the .222 Rem. However, I must confess that Hornadys factory loads shoot so well that the reloader is hard-pressed to better them. 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 243 has a case length of 2.045" compared to the 1.49" of the 6mm cartridges. 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. 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. Twist rate was one turn in 10 inches, which handled the 100-grain deer bullets nicely. 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. That will undoubtedly change, but not overnight. It is based on the previous 22 Nosler and has two features to make it compatible with AR-type rifles: a slightly rebated rim that is the same diameter as the .223 Remington and an overall cartridge length set at 2.26 inches, the same as other AR rounds. However, the 6mm ARC will service the military and civilian shooters more often in AR-15-type rifles, meaning barrel lengths will likely be closer to 18 inches. Mikey Hartman, Lt. Col. Do you load for a Uintah Precision bolt upper? Of course, handloading the 6mm Creedmoor is a reloaders dream. 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. The latest, sleekest, high B.C. 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. You get most of the good without most of the bad and that is a pretty good start. Thank you for this timely video. remains a solid performer with todays high-tech bullets, new powders, and fast-twist rifle barrels. Or hunting? Jeff, did you mean to type - 6.5BR? The 6 ARC can be built on mini actions such as the CZ 527, Howa Mini, Sako AI. Ballistic coefficients are about equal, with a slight edge going to the 6mm 108 ELD . That bullet and Hybrid 100V powder recently grouped into a remarkable 0.44 inch in a Ruger Model 77R. GD. Real Performance Results, From-Scratch Experimental Load Development, 6mm ARC Landing Page at Midsouth Shooters Supply, Subscribe to Ultimate Reloader Reloading Blog by Email, NEW DAA Infra-Red Low Powder Sensor (Hands-On). Click here to view the cartridge and chamber print on the SAAMI website. 260RemGuy: I began a five year long search (bribery fest!) Company literature in 1955 described both bullets as Soft Point.. All testing was completed using 108 grain ELDM from Hornady. The 6mm GT, left, seen next to another precision cartridge, the 6mm ARC. 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 6.5 Grendel was made by modifying the 220 Russian parent case. Any discussion of great 6mm cartridges must start (some would say end) with the .243 Winchester. Copyright 2020 SHWAT | All Right Reserved. There are probably better choices in a bolt gun, The 6 BR Rem has been around for a while but not fifty years, yet. Im interested in a direct comparison to the 224 Valkyrie and the 6 mm ARC. muvef Junior Member. 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. Some tactics never die, they just get regenerated. Its small, and its availability is limited, but its accuracy and ballistic performance really qualify it for the Great category. Accordingly, the firm introduced two loads. Played at other stuff with the 6 ARC but that was the bulk of the testing. .563) from wobbling, the 6mm ARC will need at least a 1:7 twist. Our real questions are (A) What is the 6 ARC, (B) What does it do, and (C) is it doing something better than what you already own and love? According to some of the PRS crowd it lets you spot shots through your scope. Image shows 243 Winchester, 6mm Remington, 240 Weatherby Magnum, older and faster than the Hornady 6mm ARC. What about your 6.8 SPC? Some smaller capacity, low velocity rounds are tailored for sub-sonic, low-report firing for clandestine military engagements. The bullet diameter of each caliber is the same at .243". As their names imply the biggest difference between the 6mm Creedmoor and the 6.5 Creedmoor is the bullet class. range.) Take a look at any good ballistics program Hornady and Federal both have an easy-to-use program on their websitesand you'll see the advantage of the better B.C. 6mm ARC: Fact or Fiction? 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. Consider the 7mm, 300, 338, and 375 Remington Ultra Magnums. It accepts all the same components as the Grendel, including the magazine and bolt, so all you need is a 6mm-specific 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. Travis224 Sergeant. The 6mm ARC is a brand new cartridge that Hornady designed to fit into a standard AR-15. HunterMann Well-Known Member LRH Team Member Joined Jan 18, 2021 The .244 Rem. Hornady found a solution with the 6mm ARC. As you can see, velocities differ by 170 - 220 fps, with the lighter 6mm ARC moving faster from the compact case. As the heaviest rifle tested recoil with the LMT Mars-H in 6.5CM was about the same as the Zev in .223 Wylde, the next best performer for groups. You might be surprised to discover you've come out on top! Handloads are easy to prepare, and while my limited use of the .240 Wby. Lighter and tougher and more precise than ever, it's the perfect back country hunting rifle. You must log in or register to reply here. These did not shoot well at all for me at 100 yards with an average of 1.9 MOA and after two lackluster 5-shot groups, I discontinued testing with them. This increased size means the 243 has a case capacity of 53-54.8 gr H2O. All of the eyeball'ed loads produced sub-MOA groups. 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. Joined: Jun 2002. The IRMT upper locks the barrel in place with unparalleled rigidity. Has any one who has both ever measured the case capacity (H2O) My google foo has failed me. Your email address will not be published. VLD Match. In my mind, if 6BR would readily fit in a small frame AR there would be no reason for 6ARC. For me because I have a cz527 I can convert enough said. The 6mm Creedmoor and it's smaller siblings like the 6mm Dasher, BR . only ever shot someone else's 6br but I have to say I liked it a lot . 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. projectiles make up for their lower MV with less wind deflection, the toughest variable to battle at long range. Using 26 to 28 inch barrels in bolt guns, 6ARC may be easy for those that do not reload or have primers. I chose to start with Varget because of what I read about 6mm PPC, and I have a lot on hand! Lets now realistically compare the 6mm ARC vs. five of its perceived competitors. No math test required. The 24 Nosler is a terrific performer, so dont let its small size fool you. Claims for the 6mm ARC are that it is better in every category. The 6mm ARC produces a larger splash signature that allows shooters to self-spot impacts and make rapid adjustments. rebarreled to 24 Nosler with a stainless-steel, three-groove PAC-NOR barrel. Winchesters strategy for the .243 was twofold and well thought out. Cleaned it all but twice missing one cold shot at this range. Posts: 38 Threads: 10 Joined: Aug 2020 #1. 223 Rem., and most other cartridges that fit AR-15 length magazines and rifles. Commercial 6mm ARC offerings will feature bullets selected to deliver ideal performance for hunting, match shooting and personal protection applications. 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. 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. 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. When using shorter barrels, which are common on gas-guns, the difference will be even more pronounced. In 100-200yd benchrest competition, the 6PPC is still the "winningest" cartridge around.