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Hornady 6mm ARC Losing Ground Hornady is claiming its 6mm ARC will yield 2,750 fps with a 108-grain ELD-M bullet from a 24-inch barrel. 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. Some smaller capacity, low velocity rounds are tailored for sub-sonic, low-report firing for clandestine military engagements. This is the Great short, fat 6mm PPC that was developed by Dr. Louis Palmisano and Ferris Pindell. 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. 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. Maybe in a rural area where ranges stretch out, but movement here will be a rarity. All of the eyeball'ed loads produced sub-MOA groups. Posted: 11/11/2012 6:04:07 PM EST [#2] Velocity with a 105gr bullet from both is 2750 fps. When youre shooting dozens and dozens of rounds in a single competition, barrel life matters. Aug 11, 2020 . It may not display this or other websites correctly. The laser rangefinder, in part. SuperCub. Curious? Your email address will not be published. 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. For this load, I shot a group of 3 shots on the chronograph, and observed the following: (better chrono data coming in future stories, I had limited components and time). The 6mm Creedmoorin the same fashion of its larger counterpartfits those bullets very well. Its a long-distance for any of these and conditions were anything but ideal. At the moment, it remains a proprietary caliber with one source of magazines and ammo, unproven. Slightly bigger still is the 6CM, which invokes much cooler H1000 powder (to best all these in barrel life). You never know for sure, but its not a failure out of the box like so many others. Joseph Von Benedikt is with Jorge Spat to learn all about it. You will not find better quality and consistency when it comes to Lapua. It's also legal for deer hunting in more States and arguably more effective. Ballistic Calculators & Field Results . It is reported to be very accurate, but its aura is eclipsed by the shadow of the 6mm PPC. Not a single stoppage amongst them too include a couple 17 round full auto mag dumps. Ballistically, thanks mostly to heavy-for-caliber, high B.C. 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. Then the AR-15 platform exploded and the game changed some more. It is a 6 BR REM barrel that came off a rifle that I bought for the Remington 600 donor action. That wont change and logistically the 6 ARC is still at baby steps. Ran great with solid and repeatable accuracy using the same bullets as the 6CM. 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. bullets. I had a 20 AR-15 to test with, so I had to do some math :). .563) from wobbling, the 6mm ARC will need at least a 1:7 twist. pavementends Junior Member. Then theres Hornadys new 300 PRC, Weatherbys 6.5-300 Weatherby, and several more modern speed demons. Many handloaders like the 6mm Rem.s sharper shoulder and longer case, and while its not nearly as popular as the .243 Win., it is nonetheless a great 6mm round. The 6mm ARC is a 5.56-platform compatible cartridge, similar to the 6.5 Grendel. To get started, click the link below to visit mymagnow.com and learn how to access your digital magazine. My guess is that Hornady is banking on a broader market with hunters and enthusiasts, once more ammunition is available. When using shorter barrels, which are common on gas-guns, the difference will be even more pronounced. The author marvels at the gun industry's ability to create ever more cartridges that keep the shooting sports fresh. It uses the ever-effective Hornady 100-grain RN InterLock with H4350 powder. Wilson Combat will offer WC-15 6mm ARC rifles with our match-grade, 18" fluted/threaded Tactical Hunter barrel. I purchased a 6mm ARC barrel from Brownels when they first came available. Their 106 grain TAP round looks interesting with a .580 G1 BC but not available right now, will have to come back later on that. My speed is significantly slower ( 50 FPS) than Gavins at 2552 FPS with an SD of 6. The IRMT upper locks the barrel in place with unparalleled rigidity. From a precision standpoint, 6mm ARC does tend to beat 224 Valkyrie. Absolutely, but not significantly better than the 224V with the 90 grain SMK. That doesnt take anything away from what the 6 ARC does and the companies who developed it. The 6mm ARC does what much larger cartridges can and everything that smaller cartridges can't. It delivers substantially better ballistics than the 223 and offers a much lighter gun/ammo system with 30% less weight than the AR-10/308 Win system. was introduced in Remingtons Model 722 short-action bolt gun, and while the Model 722 was a very accurate rifle, it was rather plain. Editors Note: Looking for a deeper dive on the 6.5 Grendel vs. 6mm ARC? 6mmBR is not the easy button it is the easiest button. 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. No knobs, just a hold using the reticle, find it, read the wind, hold, and press, adjust as needed and repeat. It gave dependable accuracy and high velocities. The need for a new, uncommon bolt/ face/ assembly kills 6 arc in the real world for bolt guns. It doesn't need a .308 sized action to work. Hunting inside 300 meters the 300 HAMR rules that realm. 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 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! (roughly .530 to .540 B.C. 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. Years ago I authored an article titled Lies, Damn Lies, and Ballistics. Heres a quick look at the best of this cohort. The rim diameter of the 6mm ARC is 0.441 inches, while the 243 is slightly larger at 0.471 inches. L. to R. are 223 Rem., 6.5 Grendel, 6.8 Rem. They still do. NB / Canada. There are 6ARC bolt guns out there. Read on! Always used manufacturers published load data! Unlike the WSSM, the Hornady 6mm ARC was engineered around a long, high B.C. Excessive recoil, debilitating blast, and marked overpressure remain its claim to fame, thereby making it unsuitable for comparison for most of us. Joseph Von Benedikt is with Rafe Nielsen of Browning to take a look at a new X-Bolt series rifle. You could get hits at 900 meters with all of them, 5 shot strings were easiest with the Creedmoors and they ruled at 1100 meters. Variations on a theme. In very simple terms, the 6mm ARC's exterior ballistics exceed . This increased size means the 243 has a case capacity of 53-54.8 gr H2O. The 6 ARC can be built on mini actions such as the CZ 527, Howa Mini, Sako AI. I'm pretty sure that the dies were marked 6 BR REM. 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. Some have long and storied histories, while others are just now making their own legends. Some tactics never die, they just get regenerated. 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. Any discussion of great 6mm cartridges must start (some would say end) with the .243 Winchester. Quickload can be frustrating when there is more than 10 FPS difference between calculated and measured MV. Mikey Hartman, Lt. Col. You can get a 6 to 6.5 pound rifle which can shoot high B.C. Wait a minute. It stays supersonic farther downrange than the 308 Win. No surprise there since it is about the same weight as the 6 ARC and both used Proof Research barrels. Outside a few very special special units, the military gets whats issued. Both bullets produce deer-slaying accuracy. Reduced recoil minimizes flinching and enables shooters to see their hits or misses so they can correct for subsequent shots. The Hornady manual states that this second set of data should not be used in gas-guns. The Zev Technologies .223 is still the most fun you can have with an AR out to 600 meters. Again using QuickLoad, I developed the following load: Here I saw velocities averaging 2,631 FPS. For hunting purposes I expect 100 grain bullets & less will be preferred in this platform based on my experience. Based on my best estimation, my H-4896 108 ELD-M load would produce approximately 2,754 FPS in a 24 bolt-action rifle. WT?, Tactical Time Lord. 6mm ARC The newest 6mm factory round is the recently announced 6mm ARC (Advanced Rifle Cartridge). remains a solid performer with todays high-tech bullets, new powders, and fast-twist rifle barrels. 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. Founded by Frank Galli in 2000, Snipers Hide has been offering informational videos, podcasts, and other support to its users in one location. Some tactics never die, they just get regenerated. 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. SPC; the 300 AAC Blackout, 350 Winchester Legend and 458 Bushmaster. 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. What explains that? Its design uses propellants efficiently. Advanced Marksmanship Unit. Posts: 11,077. It is based on the 6.5 Grendel case, and time will tell if it, too, becomes one of the great ones. In my mind, if 6BR would readily fit in a small frame AR there would be no reason for 6ARC. 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. Let us count the ways. Jeff, I would have it fluted well to reduce weight and chop +/- 20" - with 95 BTs, it will be a deer slayer, varmint bullets for said creatures. The high B.C. Sectional densities are similar, and both should be good penetrators. Your email address will not be published. Most problems outside a war zone are handled nicely with 20 rounds and a couple of spare magazines. Ultimate Reloader LLC is not responsible for errors in load data on this website. Accuracy was up to par, and shooters took to the rifle-cartridge combo like a duck, well, you know. 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. Available in different sizes and red dot ready, it'll fit your needs, whatever they are. Unlike the NGSW the 6 ARC is a standard cartridge fired from an AR-15. SPC, 350 Win. 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. Like the grendel though you probably don't want to run high pressures on an ar bolt though. Mid-20th Century 24-calibers shoot much faster than the new Hornady 6mm ARC, but are they ballistically better? I did not have time to work up a load for accuracy, so Ill defer that discussion for a future post. This data and these techniques can not be assumed to be safe. Or it fits the extra-short AR-15 platform rifles beloved and preferred by many shooters. GD. In a 10-mph crosswind the 6mm ARC 108-grain bullet drifts 10.9 inches at 400 yards. NOTE: This 6mm ARC reloading data is intended for use in bolt action rifles safe for pressures up to 62,000 psi. 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. .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. 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. The 6mm ARC uses commonly available 6.5 Grendel magazines/bolts. Second, it was chambered in the delightful Winchester Model 70 Featherweight, which was a major factor in the .243s huge success. [9] The 6mm ARC utilizes the same bolt head size as the 6.5mm Grendel, and 6.5mm Grendel-compatible AR-pattern box magazines have also been used successfully with the 6mm ARC. The 6mm ARC is a brand new cartridge that Hornady designed to fit into a standard AR-15. According to some of the PRS crowd it lets you spot shots through your scope. I cant see it, but for those who like to try something different its is a really nice option. In the 1970s, I had a Remington Model 700 BDL so chambered, and I took my first Texas whitetail with it. 6.8 SPC The 6mm ARC has more match bullet options and is a better long-range performer. I don't shoot past 300 and dead is dead. All testing was completed using 108 grain ELDM from Hornady. To keep the 115-grain Berger VLD (G1 B.C. 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. Shots are on 12 round steel and 22 x 16 silhouette steel at 600 and 1100 meters. The first groups were the 6.5 Grendel cases that I modified for the 6mm ARC. As for the 6ARC, I would take a vital shot at 600 meters without hesitation given a solid platform. You get most of the good without most of the bad and that is a pretty good start. Once we could pinpoint exact distance to target, maximum velocity didnt matter as much. There is nothing more competitve than a 6BR Norma when the wind is consistent or low. 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. My barrel is a 7 twist 20 and Im going to try the Hornady 108s and I may try some VARGET too as it is another of my favorites. I wont even mention primers as that is just generic across the board with any caliber at this point. Should I consider another upper? After entering my measured capacities, measured muzzle velocity with 27 grains of VARGET under the 108 ELD-M of 2554 is now within 2 FPS of Quickloads estimated 2552 FPS. Maximum Cartridge Overall Length is 2.26. Lets now realistically compare the 6mm ARC vs. five of its perceived competitors. Hornady Precision Hunter 6mm ARC 103 Grain Jacketed Soft Point Centerfire Rifle Ammunition, 20, SBT (Save 10%) $2.15/Round. In 1955, on the heels of the .243 Win., the .243 Rock Chucker was modified slightly by Remington and became the .244 Remington. 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. 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. Shop 6.5 Grendel Ammo 07-08-2022, 07:47 PM . [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. Its why the 308 is absent from this test. wasn't as big a fan of his 4 oz trigger but all in all I want one someday don't know enough about the 6 arc to comment on it . Based on the .204 Ruger, which was created from the .222 Rem. ELD (l.) makes for an excellent long-range target round, while the 103-gr. 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. shoots the same cadre of 0.243-inch bullets as the .243 Win. By comparison, the 6 mm ARC gets there in 2.04 seconds. With this testing behind me, I must say it was fun, I enjoyed it and will keep testing as new ammunition is available. The 6mm ARC was designed to match specific DOD requirements while fitting in the AR15 platform. However, the 6mm BR is superior at 300m and beyond. 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. ZEV cleaned house using the David Tubb DTR reticle. | Comparing 6mm ARC to 6mm CR is is apples and oranges again. Fast is better but slow means mo? We're going backwards! Before there were scopes or red dots there were iron sights. As their names imply the biggest difference between the 6mm Creedmoor and the 6.5 Creedmoor is the bullet class. Notify me via e-mail if anyone answers my comment. Here I am shooting a Smith & Wesson M&P chambered 5.56x45mm. Sort by. Messages. Image shows 243 Winchester, 6mm Remington, 240 Weatherby Magnum, older and faster than the Hornady 6mm ARC. What does the 6 ARC do that the 6 BR REM hasn't been doing for over 50 years? Velocity is 2,827 fps, and out of my Browning A-bolt II, it groups into 1.10 inches. Shooters greeted the .244 Rem. They are an LMT Mars-H with a 20 6.5 CM barrel, Leupold Optics Mark 5 HD 5-25 T3 reticle using 95 grain Hornady VMAX. The .243 Win. How about the 26, 27, 28, and 30 Noslers? The content on this website (including videos, articles,ammunition reloading data, technical articles, gunsmithing and other information) is for demonstration purposes only. Cartridge Specs. 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 rim diameter of the 6mm ARC is 0.441 inches, while the 243 is slightly larger at 0.471 inches. The deer load had a 100-grain bullet, and the varmint load carried an 80-grain bullet. The rifles Barrett supplied for the DoD are top-notch, but they are just a modified REC-7 DI. I doubt that the book on the Great 6mm cartridges is closed, and future developments may add new chapters, to the delight of many shooters. Supporter. I also shot mine with an Ultra 9 direct-thread suppressor. While this excellent cartridge was almost doomed at birth, it has hung on, to the chagrin of deer, prairie goats, coyotes, and rock chucks everywhere. VLD Match. 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. Overall, the 6mm ARC delivers optimum all-range performance and barrel life. And its performance is effective with a variety of bullets. 6mm ARC: Fact or Fiction? I had three high capacity magazines using white followers, two 17 rounders with green followers. Lighter and tougher and more precise than ever, it's the perfect back country hunting rifle. Recoil is subjective and using the same bullet weight they were all close. But at the same time were seeing the 6.5 Creedmoor and 6.5 Grendel; the 6.8 Rem. The factory 105s shot at 2662 FPS with an SD of 11 as measured by a Labrador. All of these are heading in the opposite direction. Poll: What Progressive Reloading Press Do You Use Most? I did not try to shoot past 900 today because of limited ammo and Applied Balistics indicates that at 2550 FPS MV these 108s are going transsonic just past 900 and I didnt want to waste the last few shots. All barrels will be . Short, relatively fat cartridges concentrate powder near the ignition flame for an even, consistent burn with a tendency to improve muzzle velocity consistency. VLD, Hornady 108-gr. Powered by UBB.threads PHP Forum Software 7.7.5. A memorized trajectory curve combined with a ballistic reticle or turret dialing could compensate. They held a very consistent 34.58 grains of water. 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. Cold shots fell inside half an inch of the center a couple cut the red center dot. These developments are interesting, and the supreme accuracy achieved by several of the wildcat cartridges make them worthy of mention here. 600m: Out of ten cold shots at 600 meters 7 hit home, pretty impressive. Ok from the perspective of one 6mm ARC lover. 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. 6mm ARC vs 6.5 Grendel. They run the gamut from tiny benchrest numbers to those with larger cases that essentially duplicate many factory rounds. projectiles make up for their lower MV with less wind deflection, the toughest variable to battle at long range. Some examples include the 6mm-204 and the 6x45. Hornady is claiming its 6mm ARC will yield 2,750 fps with a 108-grain ELD-M bullet from a 24-inch barrel. 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. H4895. 6mm BR vs 6mm BRA vs 6mm Dasher. Do not attempt any of the processes or procedures shown or described on this website. Accordingly, the firm introduced two loads. And it made the new round available in the very attractive and accurate Model 700. Another interesting development is the 6mm Dasher that was developed by Al Ashton and benchrest gunsmith Dan Dowling. The difference between the 6 mm BR Rem and the 6 mm BR Norma are slight, but in a tight chamber . Hornady is an obvious first choice for selecting 6mm projectiles to load the 6mm ARC with. 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. I decided that since I didnt have any load data, I would have to generate my own! Doesn't the 6mm ARC have a smidge more powder capacity over the 6mm BR? Joseph Von Benedikt shows his custom 500 and how well it shoots. But no matter, new is new. 6mm AR (L), 6mm BR (R) Good luck, John 1shot Mar 4, 2013 #4 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. with a collective yawn and flocked to the equally new and elegant Winchester Model 70 Featherweight in .243 Win. Photo shows high B.C. 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. Eight reasons to embrace the Hornady 6mm ARC and other low-velocity cartridges. It will be interesting if they chamber this in micro-action bolt carbines like the Grendel has been. The 6 ARC proved at 2720 fps with a Density Altitude of 8800 feet. .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. (Ret.) Five more for effect as fast as I could get back on target ended the drill. 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. 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. In the 1970s, Remington experimented with a .308-sized case that was about 1.5 inches long and had a small primer pocket (like the PPCs). Follow @UReloader 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. It hits way above its weight class. Powder selection is easy: Just stick with CFE 223 and all will be right with the world. Your email address will not be published. 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. All gunsmithing procedures should be carried out by a qualified and licensed gunsmith at their own risk. All Rights Reserved. The Mossberg 500 Pump Action Shotgun is one of the most popular home defense shotguns on the market. Poll: What Reloading Components Cant You Find? Factory match rounds start at 155 grains and go up. Snipers Hide is a community of Snipers of all kinds, focusing on long range shooting, accuracy, and ballistics. It is based on the .308 Winchester case, necked down with no other change. 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! One other fine 6mm round is the .240 Weatherby Magnum. For me because I have a cz527 I can convert enough said. The 24 Nosler is a terrific performer, so dont let its small size fool you. ), 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*.