ARC stands for "Advanced Rifle Cartridge." The caliber is 6mm or .243. It doesn't need a .308 sized action to work. There is nothing more competitve than a 6BR Norma when the wind is consistent or low. 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. 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). Range Report 6mm ARC vs 6 PPC vs 6 Grendel. LMT MWS, 20 224V, Sig Sauer Tango 6, 3-18 MRAD Dev-L using Federal GMM 90 grain SMK and an 18 SS Match 6.8 SPC with 110 Grain VMAX. 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. bullets straight and seated above the powder reservoir. The 6mm AR needs to be sized down from Grendel brass, or fire-formed from 6PPC brass. HunterMann Well-Known Member LRH Team Member Joined Jan 18, 2021 I am a much better bolt gun shooter than AR shooter. How about the 26, 27, 28, and 30 Noslers? 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. 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. 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. 6BR is the easy buttonstandard bolt face, top-quality brass, 30.0gr Varget under any 105-108gr match bullet to start. Fred Huntington, founder of RCBS, developed a then-new 6mm cartridge by necking down the .257 Roberts case. Learn more here: http://bit.ly/1G7xXag. That wont change and logistically the 6 ARC is still at baby steps. (Maybe in 6mm ARC? The 6mm Creedmoor and it's smaller siblings like the 6mm Dasher, BR . F-Class A to Z with Erik Cortina + Special Guest! Its almost boring. Ballistically, thanks mostly to heavy-for-caliber, high B.C. But no matter, new is new. Years ago I authored an article titled Lies, Damn Lies, and Ballistics. Slower, sure, but not enough to matter in the real world on real threats. That will undoubtedly change, but not overnight. Location. When it comes to the 6 ARC vs. everything else, it felt like carrying a 224V with the same length barrel. Nearly two dozen rifle makers are already chambering for the round, including Browning, Proof, Christensen, Barrett, Mossberg, and Howa. For me because I have a cz527 I can convert enough said. Its all about the lack of correlation between mapping out rounds on a computer and sending them downrange at targets measured in yards. 6.5 Grendel The 6mm ARC delivers comparable performance from a wider assortment of bullets, making it a more versatile choice. Precision Rifle Podcasts - 4 Podcasts Hosted by Top 10 Shooters. remains a solid performer with todays high-tech bullets, new powders, and fast-twist rifle barrels. It gave dependable accuracy and high velocities. GD. All of these are heading in the opposite direction. 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. And its performance is effective with a variety of bullets. We show you how. was everything the .244 Rem. The overall length of the 6mm ARC is 2.26 inches which is almost half an inch shorter than . 260RemGuy: I began a five year long search (bribery fest!) I had a 6mm Norma BR built on a Remington 700 and I could not get it to feed from the magazine. The 6mm ARC is designed to run in existing in M4 rifle platforms. When youre shooting dozens and dozens of rounds in a single competition, barrel life matters. The powder loads for the test spanned 1.6 grains and I fired 24 shots and only two were more than 1 MOA out. Or hunting? Not liking Factory ammo so much as the longer OAL is a fair bit more difficult to load the magazine. The 6mm ARC produces a larger splash signature that allows shooters to self-spot impacts and make rapid adjustments. To keep the 115-grain Berger VLD (G1 B.C. Joined. For a better experience, please enable JavaScript in your browser before proceeding. The Hornady manual states that this second set of data should not be used in gas-guns. Its why the 308 is absent from this test. Follow up to the above. Only a few metric calibers have been really popular in the United States6.5mm and 7mmso the Great 6mms are relatively few in number. It is based on the 6.5 Grendel case, and time will tell if it, too, becomes one of the great ones. Thanks Find. Contact ultimate reloader by clicking here. You will not find better quality and consistency when it comes to Lapua. The handguard bolts to the upper eliminating impact shifts when setting the bi-pod or locking into a barricade or obstacle. Walther's new Performance Duty Pistol is ready for both concealed carry and conventional service situations. The 6mm ARC uses commonly available 6.5 Grendel magazines/bolts. 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]. Theres more coming related to 6mm ARC! 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. JavaScript is disabled. Or it fits the extra-short AR-15 platform rifles beloved and preferred by many shooters. This is, after all, a rifle forum and accuracy matters! Barrel-length is an issue. 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. By comparison, the 6 mm ARC gets there in 2.04 seconds. In a 10-mph crosswind the 6mm ARC 108-grain bullet drifts 10.9 inches at 400 yards. The newest 6mm cartridge is the 6mm ARC, which Hornady just introduced. Facebook; Twitter; Pinterest; Related Articles. has much kick to start with. H4895. If you are looking for reams of data or ringing steel the size of a car move on, I am NOT that guy, you will be very disappointed. It would seem to make a dandy handgun round as well. Excessive recoil, debilitating blast, and marked overpressure remain its claim to fame, thereby making it unsuitable for comparison for most of us. As you can see, velocities differ by 170 - 220 fps, with the lighter 6mm ARC moving faster from the compact case. Photo shows high B.C. The case capacity of a 6mm AR is about 36 gr. [5] Check one out and join the race to the bottom. I hired a Mossberg in 243 Winchester to take this multi-tined TX Hill Country whitetail with a single shot. 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. Absolutely, but not significantly better than the 224V with the 90 grain SMK. The Eagle Eye 6.5 Creedmoor shoots a 130gr hybrid projectile with a .295 G7 at 2,960fps from an average 26" barrel. You'll need a new barrel, bolt, and mags. In 100-200yd benchrest competition, the 6PPC is still the "winningest" cartridge around. [10] The 6mm ARC therefore can also be a suitable chambering for shorter "micro-action" bolt-action rifles. Mikey Hartman, Lt. Col. Claims for the 6mm ARC are that it is better in every category. 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. Minuteman. The 6mm ARC is a 5.56-platform compatible cartridge, similar to the 6.5 Grendel. Mag., the 6mm-204 essentially recreates the 6x47. 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 6.5 Grendel was made by modifying the 220 Russian parent case. I cant see it, but for those who like to try something different its is a really nice option. I have never had a easier caliber to load for. 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. (Ret.) I fall into the latter category. The high B.C. Commercial 6mm ARC loads feature bullets selected to deliver ideal performance for hunting, match shooting, and personal protection applications. SPC; the 300 AAC Blackout, 350 Winchester Legend and 458 Bushmaster. SuperCub. .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. 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. Lower velocity means less flame and heat for longer barrel life. This is a much more confidence inspiring correlation with regards to safety and predictability. These developments are interesting, and the supreme accuracy achieved by several of the wildcat cartridges make them worthy of mention here. 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. After forming some cases I shot Berger 105 hybrid targets over 27.5 grs. Travis224 Sergeant. Has any one who has both ever measured the case capacity (H2O) My google foo has failed me. The author marvels at the gun industry's ability to create ever more cartridges that keep the shooting sports fresh. This rifle is optimal for 6mm ARC because of the 20 barrel length, and the 1:7.5 twist rate. 6mm ARC: Fact or Fiction? The laser rangefinder, in part. Hornady Precision Hunter 6mm ARC 103 Grain Jacketed Soft Point Centerfire Rifle Ammunition, 20, SBT (Save 10%) $2.15/Round. That bullet and Hybrid 100V powder recently grouped into a remarkable 0.44 inch in a Ruger Model 77R. The cartridge was developed by Noslers Mike Lake, and it was approved by SAAMI in 2017. [citation needed]. Or anything? Another cartridge that deserves mention is the relatively new 24 Nosler. As for the 6ARC, I would take a vital shot at 600 meters without hesitation given a solid platform. Modern Outfitters MC7, Proof Research 22 6CM, Bushnell Elite Tactical XRS 4.5-30, Hornady 108 grain ELDM. Dropped on my M16 lower doubles and triples stayed on a full-sized silhouette out to 25 yards, stretched doubles to 50 yards. Even with the cost of the Proof Research barrel it doable. Supporter. range.) The benchrest crowd has not been overlooked in the 6mm derby, and one cartridge literally rewrote the record book. As such, SAAMI maximum average pressure is set at a relatively mild 52,000 psi. Full Member. Maybe, if you are shooting farther out. .243 bullet for military (combat) applications in modern, autoloading rifles. 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. Any discussion of great 6mm cartridges must start (some would say end) with the .243 Winchester. Photo shows 5 popular short rounds for the AR 15 platform, same short action the Hornady 6mm ARC is engineered to fit. Federal has created a safer, easier and more reliable way to shoot a muzzleloader. The Model 70 .243 Win. remains a runaway hit to this day. I tried a test one time after that ladder test, I decided to eyeball the powder amount in the case. . Mag. The 224V and 6 ARC were identical to shoot and will probably stay my dedicated 1000 yard rifle (s) both ringing steel pretty easily. The old 243 Winchester can beat that by about 300 fps. Jeff, did you mean to type - 6.5BR? by David Bahde | Dr. 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. At the time of the 22 PPC and 6mm PPC being developed by Ferris Pindell and Dr. Louis Palmisano (thus the PP), the bench rest winners were often the 222 Remington and the 6x47 Remington (the latter being a necked-up 222 Remington Magnum). You must log in or register to reply here. Ever since the 6mm ARC came out I've been stuck on the idea of building one as a bolt gun trainer, specifically on a Tikka action. was introduced in Remingtons Model 722 short-action bolt gun, and while the Model 722 was a very accurate rifle, it was rather plain. Oct 7, 2010 530 254 44 Council Bluffs, Iowa. A memorized trajectory curve combined with a ballistic reticle or turret dialing could compensate. This is fortuitous, as it is a delight to reload and seems to like just about all the bullets Ive tried in it. Hornady is claiming its 6mm ARC will yield 2,750 fps with a 108-grain ELD-M bullet from a 24-inch barrel. Consistency remained about the same with 2 or 3 out of five the norm. While almost any combination of components seems to shoot well, my favorite powders are Hybrid 100V, Reloder 17, and Power Pro 4000MR. Its release as a commercial round was presaged by a number of successful 6mm wildcats like the 6mm AR based on the Grendel. What does the 6 ARC do that the 6 BR REM hasn't been doing for over 50 years? : 2.095" G1 B.C. L. to R. are 243 Winchester, 6mm Remington, 240 Weatherby Magnum. Cleaned it all but twice missing one cold shot at this range. However, I would not want to carry it far. All Shooting Times subscribers now have digital access to their magazine content. Recoil is primarily a product of bullet weight. For now, though, it is anything but a sea change amongst the broader Special Missions Units. The IRMT upper locks the barrel in place with unparalleled rigidity. 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. ELD (l.) makes for an excellent long-range target round, while the 103-gr. 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. is One Gun To Rule Them All, New 270 Cartridges Challenge 6.5s and 7mms. Messages. So, the 6mm ARC outperforms any magazine length 5.56x45mm NATO load simply through a combination of sheer horsepower and more efficient projectiles. I therefore feel that Hornadys claimed performance data is feasible. 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. 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. Sign up with your email address to receive news and updates. Dr. Cartridge experimentation was in its heyday in the 1950s, and it was a rare cartridge case that didnt get shortened, blown out, or necked up or down. Would love to get this thing shooting consistently under .5 with enough speed to reliably ring steel at 1000. Curious? And just in case some hunter wanted to knock off a deer with his .244 rifle, the company also offered a 90-grain loading. I decided that since I didnt have any load data, I would have to generate my own! Second, it was chambered in the delightful Winchester Model 70 Featherweight, which was a major factor in the .243s huge success. 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. I previously tested them in other calibers. Posts: 11,077. The 6 ARC can be built on mini actions such as the CZ 527, Howa Mini, Sako AI. He gave it a 32-degree shoulder and called it the .243 Rock Chucker.. Yes it is designed to run in AR15-platform rifles. 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. Doesn't the 6mm ARC have a smidge more powder capacity over the 6mm BR? L. to R. are 223 Rem., 6.5 Grendel, 6.8 Rem. Some tactics never die, they just get regenerated. Shots were aimed from a bi-pod, the rifle on the bench with me standing behind it. Share. The 6 ARC proved at 2720 fps with a Density Altitude of 8800 feet. Make sure to watch till the end. projectiles make up for their lower MV with less wind deflection, the toughest variable to battle at long range. Closer to 43, I think. This makes it a factory cartridge, although no factory ammo is available, and guns chambered for it are all custom jobs. According to some of the PRS crowd it lets you spot shots through your scope. Those held a water weight of 34.74 grains with a SD of .14 grains. Poll: What Progressive Reloading Press Do You Use Most? I don't know the velocity, but I suspect something under 3k. Geissele fixed gas block was retained with no change in brass ejection pattern or bolt speed. bullets. .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. ZEV cleaned house using the David Tubb DTR reticle. It would also be used as a deer rifle for new shooters (small deer, sitka blacktails). 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. In very simple terms, the 6mm ARC's exterior ballistics exceed . 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. Did the 6 ARC outperform the .223? An eighteen-inch barrel, maybe even a. They have 10 solid options ranging in weight from 90 to 110 grains. Will it be my go-to bang away rifle, not likely. Give a Gift Heres a quick look at the best of this cohort. Its small, and its availability is limited, but its accuracy and ballistic performance really qualify it for the Great category. No knobs, just a hold using the reticle, find it, read the wind, hold, and press, adjust as needed and repeat. Standard practice is to start tweaking burn rates, bullet weight and weighting factor to make calculated muzzle velocity match actual. Probably not. GD. 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. This is exactly what we would expect. Im referring to the 6mm Creedmoor, which is simply the 6.5 Creedmoor case necked down with no other change. 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.". There is no reason that it shouldn't, it is basically a blown out 6mm PPC which is probably the gold standard for accurate cartridges. 22420 C.O.L. All of the eyeball'ed loads produced sub-MOA groups. Accordingly, the firm introduced two loads. Why step up to a loud, hard-kicking 300 PRC when youre dropping your deer with your 6.5 Grendel as far as you can shoot in your hunting field? Both bullets produce deer-slaying accuracy. Short, relatively fat cartridges concentrate powder near the ignition flame for an even, consistent burn with a tendency to improve muzzle velocity consistency. Cal December 9, 2018 Leave a comment. Custom Mossberg 500 at the Range and Live Turkey!. The ARC seems to be knocking on the heels of a BR. [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. That doesnt take anything away from what the 6 ARC does and the companies who developed it. Some tactics never die, they just get regenerated. 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). Editors Note: Looking for a deeper dive on the 6.5 Grendel vs. 6mm ARC? I'm a 6.5x47 lapua man myself. Five shot rapid-fire was not bad. The 6mm ARC's more efficient projectiles with their high BCs provides superior exterior ballistics with noticeably less wind drift, higher retained velocity and greater retained energy. 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! As Jackie says there's a big difference in the cases. It has had moderate success in various target venues. Lapua brass is easy to find, however the bullet (105 Hybrid) and powder (Varget/H4895) most run will be tough to find. 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. 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. Here I am shooting a Smith & Wesson M&P chambered 5.56x45mm. Blue collar reloading had 25 boxes of brass right now. The 6mm Rem. 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. This increased size means the 243 has a case capacity of 53-54.8 gr H2O. A World Record Attempt and everyone is out at the range shooting and practicing. Hornady's new 6mm ARC was designed for a specific military requirement; the 108-gr. Velocity can be a factor, but given the same weight, recoil should be similar so I kept the weights as close as possible. The deer load had a 100-grain bullet, and the varmint load carried an 80-grain bullet. The hunter can add about 100 to 150 fps of additional velocity to most game-weight bullets. The 6mm GT, left, seen next to another precision cartridge, the 6mm ARC. Hornady found a solution with the 6mm ARC. L. to R. are Berger 95-gr. Wilson Combat will offer WC-15 6mm ARC rifles with our match-grade, 18" fluted/threaded Tactical Hunter barrel. Each session started with a cold shot at 100 meters confirming zero while showing repeatability out of the bag. and 6mm Rem., but it pushes them a little faster. I had three high capacity magazines using white followers, two 17 rounders with green followers. I to have a precision .224 V and would love to see a real world side be side comparison with the 6 ARC. 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! 100 Factory ammo? 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. Powered by UBB.threads PHP Forum Software 7.7.5. A new 100-grain factory deer load completed the rounds metamorphosis. 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. If this rifle is any indication all it took was a barrel, bolt, and magazine swap. However, I must confess that Hornadys factory loads shoot so well that the reloader is hard-pressed to better them. Long-range precision shooting is one of the fastest-growing segments of the shooting sports. $1.75/Round. 6 BR REM, not 6.5. This isn't your grandpa's muzzleloading system. August 14, 2022. Based on my best estimation, my H-4896 108 ELD-M load would produce approximately 2,754 FPS in a 24 bolt-action rifle. I know what. It is versatile, in that it is suitable in both ARs and mini-bolt guns for hunting, personal protection, and target shooting. Im interested in a direct comparison to the 224 Valkyrie and the 6 mm ARC. Also 6X47 has also interested me. bullets in .243" help make the light-kicking, short Hornady 6mm ARC ballistically superior to the 308 Win., 6.8 SPC. 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.
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