Arguments amongst experts (real and self-delusional) spewed forth with ferocity. 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. VLD Match. The .243 Win. and puts more impact splash on steel plates than any .224 rounds. Follow up to the above. Five rounds for effect at 1100 ended the drill. Whats more: Its already SAAMI approved! I'm a 6.5x47 lapua man myself. It is a 6 BR REM barrel that came off a rifle that I bought for the Remington 600 donor action. You may know one or two more. .563) from wobbling, the 6mm ARC will need at least a 1:7 twist. Not a contest. 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. Really liking the 6mm Arc in this CZ 527 platform. This means you have the option to read your magazine on most popular phones and tablets. 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. I had a heavy-barreled Sako single shot in the 1970s, and it shot like almost all 6mm PPCs: great. I chose to start with Varget because of what I read about 6mm PPC, and I have a lot on hand! Low recoil is also noted. Short, relatively fat cartridges concentrate powder near the ignition flame for an even, consistent burn with a tendency to improve muzzle velocity consistency. That was the era of increasing muzzle velocity. This rifle originally started out as a 224 Valkyrie using their IRMT upper and NX15 lower. 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 benchrest crowd has not been overlooked in the 6mm derby, and one cartridge literally rewrote the record book. 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. Joseph Von Benedikt is with Rafe Nielsen of Browning to take a look at a new X-Bolt series rifle. Facebook; Twitter; Pinterest; Related Articles. Poll: What Rifle Cartridge Do You Reload Most Often? Photo shows 5 popular short rounds for the AR 15 platform, same short action the Hornady 6mm ARC is engineered to fit. Barrel-length is an issue. Its a long-distance for any of these and conditions were anything but ideal. NB / Canada. The .240 Wby. No factory rifles or ammo was available, but for a while, Federal offered nickel-plated 6x47 cases. (In the 1960s, Speer made a 105-grain RN just for the .244 Rem.) 75 GRAIN BULLETS SECTIONAL DENSITY: 0.181 DIAMETER: 0.243" 75 gr. How do lower velocity cartridges improve long-range shooting? Accordingly, the firm introduced two loads. 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. 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. When it comes to the 6 ARC vs. everything else, it felt like carrying a 224V with the same length barrel. bullets in .243" help make the light-kicking, short Hornady 6mm ARC ballistically superior to the 308 Win., 6.8 SPC. Its accuracy is simply phenomenal, and it makes a superior varmint cartridge. 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. 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. If you have any doubt how well Hornady does this look no further than the 6.5 Creedmoor. Factory match rounds start at 155 grains and go up. 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 6mm ARC is a brand new cartridge that Hornady designed to fit into a standard AR-15. Played at other stuff with the 6 ARC but that was the bulk of the testing. Poll: What Progressive Reloading Press Do You Use Most? 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! Interestingly enough, my history with 6mm rounds began with the 6mm Remington. 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. This 6 ARC was an excellent performer, not a precision rifle but thats not what its for. As a follow-up exercise, I plan to use QuickDesign software to create a more accurate model for the 6mm ARC. What does all this mean? Contact ultimate reloader by clicking here. 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. If this development strikes you as the opposite of progress, you might have spent the bulk of your life in the 20th century. It fits in an AR mag. Velocities were established from a 24-inch barrel. 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. 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. This rifle is optimal for 6mm ARC because of the 20 barrel length, and the 1:7.5 twist rate. The rim diameter of the 6mm ARC is 0.441 inches, while the 243 is slightly larger at 0.471 inches. Did the 6 ARC outperform the .223? Many shooters necked the BR case down, and a 6mm version ultimately became the 6mm BR Remington. 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. 6mm ARC vs 6mm BR. Geissele fixed gas block was retained with no change in brass ejection pattern or bolt speed. 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. 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. 260RemGuy: I began a five year long search (bribery fest!) 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! SPC; the 300 AAC Blackout, 350 Winchester Legend and 458 Bushmaster. Posts: 11,077. GD. Mag. The 6mm ARC produces a larger splash signature that allows shooters to self-spot impacts and make rapid adjustments. 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. Unlike the NGSW the 6 ARC is a standard cartridge fired from an AR-15. I must note here how hard it hit. My wife has a Ruger American in 6mm Creedmoor, and it is the only round that has been able to pry her away from her beloved .270 Winchester. Make sure to watch till the end. Straight-wall rounds like Winchesters little 350 Legend may be the only centerfire rifle cartridges legal for deer hunting in some states, so of course theyre going to be popular. Will it be my go-to bang away rifle, not likely. For an ordinary AR-15 rifle chambered for the .223 Rem/5.56mm NATO, a new barrel, magazine and bolt are required to convert to the 6mm ARC. Jan 13, 2021. For hunting purposes I expect 100 grain bullets & less will be preferred in this platform based on my experience. Given this or your typical AR10, no contest, the 6 ARC is much easier to carry. .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. Each rifle ships with one 10-round magazine. You can boost the performance of the 6mm ARC in a bolt action quite easily. remains a runaway hit to this day. Because it fires heavier projectilesup to 110 grainsthan the 5.56 at velocities up to 2,800 fps, the 6mm ARC has the ballistics needed to vastly improve the performance of AR-15 rifles without a lot of added weight. Thread starter Travis224; Start date Aug 11, 2020; Forums. Unless youre carrying this into combat, Im not sure it matters. Low velocity coupled with relatively light bullets reduces recoil. All testing was completed using 108 grain ELDM from Hornady. If this rifle is any indication all it took was a barrel, bolt, and magazine swap. 07-08-2022, 07:47 PM . Variations on a theme. 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. Short, fat cartridges leave room for long necks that hold long, high B.C. Your email address will not be published. Wilson Combat will offer WC-15 6mm ARC rifles with our match-grade, 18" fluted/threaded Tactical Hunter barrel. Advanced Marksmanship Unit. 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 H4895 with 5-shot groups from the high .5s to 1.0 MOA. The 6x45 is the .223 Rem. In many ways, the race to the bottom is paying off. 223 Rem., and most other cartridges that fit AR-15 length magazines and rifles. The 24 Nosler is exceptionally accurate and mild mannered and has cleanly taken numerous midsized big-game animals. 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. Editors Note: Looking for a deeper dive on the 6.5 Grendel vs. 6mm ARC? As Jackie says there's a big difference in the cases. I to have a precision .224 V and would love to see a real world side be side comparison with the 6 ARC. 2023 Outdoor Sportsman Group. Yes it is designed to run in AR15-platform rifles. 100-300m: Consistent 100 meter groups in the .60 -.75 inch range, 2.5-3.0 inches at 300 meters were the norm. But do you know how to properly use them? Or it fits the extra-short AR-15 platform rifles beloved and preferred by many shooters. It still turns the steel and is very consistent holding 9 mils at the top. Full Member. Company literature in 1955 described both bullets as Soft Point.. L. to R. are 243 Winchester, 6mm Remington, 240 Weatherby Magnum. Give a Gift Because it's been around longer there are many, many more factory loads . 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. : 0.330 VELOCITY (FPS - feet per second) POWDER 3000 3100 3150 3200 3250 Lets break down a few things about this number: So if you have a 24 bolt-action 6mm ARC rifle, thats the velocity you should expect. It is NOT for use in AR-15 style (gas gun) rifles. Which it does pretty well within those limitations. Custom Mossberg 500 at the Range and Live Turkey!. Commercial 6mm ARC offerings will feature bullets selected to deliver ideal performance for hunting, match shooting and personal protection applications. No math test required. That bullet and Hybrid 100V powder recently grouped into a remarkable 0.44 inch in a Ruger Model 77R. As you can see, velocities differ by 170 - 220 fps, with the lighter 6mm ARC moving faster from the compact case. $1.75/Round. For those using 6.5 Grendel, its a 5-minute barrel change. Closer to 43, I think. LMT shot softer, exhibited a tank-like build, and proved great to shoot. It's also legal for deer hunting in more States and arguably more effective. What does the 6 ARC do that the 6 BR REM hasn't been doing for over 50 years? The 6mm ARC is designed to run in existing in M4 rifle platforms. 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.". The strings netted three or four out of five, misses were off the edge. 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. Maybe, if you are shooting farther out. 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. was not, and the .243 Win. . Thank you for this timely video. Some tactics never die, they just get regenerated. The difference between the 6 mm BR Rem and the 6 mm BR Norma are slight, but in a tight chamber . With this testing behind me, I must say it was fun, I enjoyed it and will keep testing as new ammunition is available. Introducing the Silencerco SCO15 Lower Do We Need Another AR-15 Lower? Poll: What Reloading Components Cant You Find? The overall length of the 6mm ARC is 2.26 inches which is almost half an inch shorter than . Quickload can be frustrating when there is more than 10 FPS difference between calculated and measured MV. | all4shooters, Hornady's NEW 6mm ARC & Odin Work's Barrels - www.gunsamerica.com, gununiversity.com | 6mm ARC Released / Hands-On Testing and Comparisons, by Ryan Cleckner 3 June 2020, https://en.wikipedia.org/w/index.php?title=6mm_ARC&oldid=1137943385, Articles with unsourced statements from July 2020, Articles with unsourced statements from September 2021, Creative Commons Attribution-ShareAlike License 3.0, This page was last edited on 7 February 2023, at 05:30. My sources tell me the 6 ARC was a very small order for a specialized unit requested by an obscure R&D group that works under the DoD (Department of Defense) umbrella. Its a 6mm cartridge similar to 6.5 Grendel, built for the AR-15 platform, Its optimized for bullets in the 103 grain 110 grain range, Its got more velocity and less recoil compared to 6.5 Grendel, It shares the same parent case with 6.5 Grendel: The 220 Russian, Its capable of launching a 6mm 108 grain projectile approximately 2800 FPS from a 24 barrel, BARREL: 20, 1:7.5 twist, 6mm ARC, MT 416SS, SBN, MUZZLE: MUZZLE: SV Brake, threaded 5/8-24, GAS PORT LOCATION: Rifle Length with SLR Adjustable Gas Block, RECEIVER: Forged 7075-T6 AL M4 type upper, AR15 type lower, FINISH: Cerakote Receivers and Hand Guard, Find a cartridge similar to 6mm ARC thats supported in the, Determine the 6mm ARC case capacity for my lot of brass (H2O method), Adjust Quickload model for case capacity and any other factors, Model loads looking at pressures and velocities (using 6mm PPC load data as a backup sanity check), It shares the same parent case with 6mm ARC (the 220 Russian), Its case capacity is very close (1.9 grains of H2O different), Likely in reference to a 24-ish test barrel, No AR gas system present to reduce velocity, Start with observed 20 velocity data for my H-4895 load (2,631 FPS), Look at the QuickLoad projected velocity difference between a 20 and 24 barrel, Add the velocity difference to the actual measured velocity, Account for ~1.18% reduction in velocity (calculated from my 224 Valkyrie AR-Bolt side by side testing) due to the AR-15 gas system, I had limited components available to test, results could get better from here (more velocity with less pressure), These loads may be hotter than what will function reliably in a typical AR-15 (and may not be safe), I will follow up with testing of Hornadys factory ammunition with the 108 grain ELD-M bullet. WT?, Tactical Time Lord. In my mind, if 6BR would readily fit in a small frame AR there would be no reason for 6ARC. All Rights Reserved. by David Bahde | Dr. I previously tested them in other calibers. I followed up with three at 300 meters and a 600 Meter shot on a 22 x 16 silhouette steel. In the 1970s, the .222 Rem. Messages. Hornadys 80-grain GMX and 103-grain ELD-X and the Speer 90-grain Hot-Cor all are accurate and deadly. 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. First, the cartridge was designed for dual purposes: deer hunting and varmint hunting. 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. 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. Im interested in a direct comparison to the 224 Valkyrie and the 6 mm ARC. At 400 yards, it has an average bullet drop of 22.2 inches. I don't know the velocity, but I suspect something under 3k. This is fortuitous, as it is a delight to reload and seems to like just about all the bullets Ive tried in it. Founded by Frank Galli in 2000, Snipers Hide has been offering informational videos, podcasts, and other support to its users in one location. 6mm BR vs 6mm BRA vs 6mm Dasher. Required fields are marked *. 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. Who knew wild turkey's were so stupid!? The short reality is somewhat different. Velocity is 2,827 fps, and out of my Browning A-bolt II, it groups into 1.10 inches. It started as a popular wildcat before its approval by SAAMI. | SPC, 350 Win. Joseph VonBenedikt is with Joel Hodgdon to talk about the improved accuracy and long-range potential of the already reliable Core-Lokt ammo line. The pair developed the .22 PPC in 1975, and the 6mm PPC followed in 1987. 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. It hits way above its weight class. Jeff, did you mean to type - 6.5BR? | 0 comments. Should I consider another upper? That wont change and logistically the 6 ARC is still at baby steps. The powder charge I used then is lost to history, but the bullet was a Speer 90-grain SP. The 6mm Creedmoor and it's smaller siblings like the 6mm Dasher, BR . He gave it a 32-degree shoulder and called it the .243 Rock Chucker.. I don't shoot past 300 and dead is dead. Shots are on 12 round steel and 22 x 16 silhouette steel at 600 and 1100 meters. 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. 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. Handloads are easy to prepare, and while my limited use of the .240 Wby. 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. Of course, handloading the 6mm Creedmoor is a reloaders dream. 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. 6mm ARC has the potential to be the most versatile cartridge of all time for a few reasons: (1) 6mm ARC can handle projectiles anywhere between 55 and 115 gr. As for the 6ARC, I would take a vital shot at 600 meters without hesitation given a solid platform. Mag. Availability of factory ammo may be a plus for the 6ARC. 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. The need for a new, uncommon bolt/ face/ assembly kills 6 arc in the real world for bolt guns. Travis224 Sergeant. I never cleaned it with anything. But I wanted to get some real-world results with my new, would produce approximately 2,754 FPS in a 24 bolt-action rifle, Dont miss out on Ultimate Reloader updates, make. Hold for elevation never changed, 4 mils at the top garnered hits at from 4.2-4.7 mils each time, misses were generally wind. Both can produce sub-MOA groups, but 224 Valkyrie seems to spread out faster than 6mm ARC. On this Wikipedia the language links are at the top of the page across from the article title. 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. Available in different sizes and red dot ready, it'll fit your needs, whatever they are. It was essentially the Huntington cartridge, but with a 26-degree shoulder for easier case manufacturing. Velocity can be a factor, but given the same weight, recoil should be similar so I kept the weights as close as possible. Your email address will not be published. Rifle cartridges (l. to r.) .308 Win, 6mm ARC, 300 AAC, .223 Rem, Hornady 6mm ARC Cartridge - What You Need to Know, Public Introduction - 6.5 Creedmoor - 6mm-ARC-Public-Introduction-Rev-2020-06-18.pdf, Brand new rifle caliber: 6 mm ARC, Hornady's Advanced Rifle Cartridge! NOTE: This 6mm ARC reloading data is intended for use in bolt action rifles safe for pressures up to 62,000 psi. I did not have time to work up a load for accuracy, so Ill defer that discussion for a future post. This morning, using the same scale and method as Gavin, I measured the case capacity using water weight in two sets of fired but not resized cases. Absolutely, but not significantly better than the 224V with the 90 grain SMK. Or anything? HunterMann Well-Known Member LRH Team Member Joined Jan 18, 2021 ELD (l.) makes for an excellent long-range target round, while the 103-gr. Read on! It is advanced for the AR platform. Dr. With more case capacity, the 6mm BR can drive the heavier, higher BC bullets needed at long distance. The latest, sleekest, high B.C. 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. Dave Bahde Dr. WT? Mid-20th Century 24-calibers shoot much faster than the new Hornady 6mm ARC, but are they ballistically better? Wildcatters have had a field day with the 6mms, and the list of their creations is long. 6.8 SPC The 6mm ARC has more match bullet options and is a better long-range performer. The bullet diameter of each caliber is the same at .243". There is no magnum behind those titles, yet they are fastest or close to fastest in their calibers. Not only did the rifle have a nice checkered American walnut stock, but also the light barrel was a handy 22 inches long. My guess is that Hornady is banking on a broader market with hunters and enthusiasts, once more ammunition is available. SuperCub. 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. 6 BR REM, not 6.5. Maximum Cartridge Overall Length is 2.26. You can get the 6XC brass in Norma which is very good. Both bullets produce deer-slaying accuracy. 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. I had a 20 AR-15 to test with, so I had to do some math :). Ballistic Calculators & Field Results . The ballistics look great. continues to ride the crest of the 6mm-caliber wave, the tried-and-true 6mm Rem. The factory 105s shot at 2662 FPS with an SD of 11 as measured by a Labrador. The IRMT upper locks the barrel in place with unparalleled rigidity. 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. Not a single stoppage amongst them too include a couple 17 round full auto mag dumps. It stays supersonic farther downrange than the 308 Win. H-4895 is closer to the 6.5 Grendel sweet spot, so I thought it would be worth a try. I have handloaded the .243 Win. Its design uses propellants efficiently. Always used manufacturers published load data! That flattens trajectories somewhat and applies a bit more punch to the game. 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. 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. No knobs, just a hold using the reticle, find it, read the wind, hold, and press, adjust as needed and repeat. Larue Tactical two-stage, small parts are Seekins, the stock is an LMT. It may not display this or other websites correctly. Ammo capacity is about the same, 20 rounds with the longer Grendel mags. ), 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*. Sectional densities are similar, and both should be good penetrators. bullets from the magazine and not be limited to being a single shot. The newest 6mm cartridge is the 6mm ARC, which Hornady just introduced. The new Mossberg rifles chambered for the new 6mm ARC should give similar results with even less recoil -- not that the old 243 Win. 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]. This isn't your grandpa's muzzleloading system. of Israeli Defense Forces, joins David Fortier for an exclusive interview for Shotgun News. Poll: Whats your number one reason for reloading? Click here to view the cartridge and chamber print on the SAAMI website. Excessive recoil, debilitating blast, and marked overpressure remain its claim to fame, thereby making it unsuitable for comparison for most of us. Low velocity from a short cartridge means it fits in a shorter, potentially stiffer action which can contribute to increased accuracy. Cold shots fell inside half an inch of the center a couple cut the red center dot. Hunter aiming AR-15 rifle for which the Hornady 6.5 ARC was created. 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. for decades and have experienced no odd problems with it. See full disclaimer below. projectiles make up for their lower MV with less wind deflection, the toughest variable to battle at long range. Or hunting? Nearly two dozen rifle makers are already chambering for the round, including Browning, Proof, Christensen, Barrett, Mossberg, and Howa. Its why the 308 is absent from this test. [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. Hunters may see an advantage as the ELDX and other hunting bullets are tested. rebarreled to 24 Nosler with a stainless-steel, three-groove PAC-NOR barrel. 6.5 Grendel vs. 6mm ARC Ballistics. It accepts all the same components as the Grendel, including the magazine and bolt, so all you need is a 6mm-specific barrel. I hired a Mossberg in 243 Winchester to take this multi-tined TX Hill Country whitetail with a single shot.

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