While it did well the clear winner was the 6CM, high BC and extra velocity are hard to overcome at this range. Poll: Whats your number one reason for reloading? Posts: 38 Threads: 10 Joined: Aug 2020 #1. 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 Eagle Eye 6.5 Creedmoor shoots a 130gr hybrid projectile with a .295 G7 at 2,960fps from an average 26" barrel. Thank you for this timely video. shoots the same cadre of 0.243-inch bullets as the .243 Win. SuperCub. The Mossberg 500 Pump Action Shotgun is one of the most popular home defense shotguns on the market. Photo shows 5 popular short rounds for the AR 15 platform, same short action the Hornady 6mm ARC is engineered to fit. You are using an out of date browser. Should I consider another upper? The latest, sleekest, high B.C. 6mm AR (L), 6mm BR (R) Good luck, John 1shot Mar 4, 2013 #4 It stays supersonic farther downrange than the 308 Win. Poll: What Reloading Components Cant You Find? What explains that? rebarreled to 24 Nosler with a stainless-steel, three-groove PAC-NOR barrel. They still do. First, the cartridge was designed for dual purposes: deer hunting and varmint hunting. 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. The original 6 mm/.244 Rem is basically the .257 Roberts/7x57 case necked down, while the 6 mm BR Rem/Norma (only slightly different case specs between them) are much shorter cases. Hornadys 80-grain GMX and 103-grain ELD-X and the Speer 90-grain Hot-Cor all are accurate and deadly. Powder selection is easy: Just stick with CFE 223 and all will be right with the world. I therefore feel that Hornadys claimed performance data is feasible. Facebook; Twitter; Pinterest; Related Articles. The 6.5 Creedmoor shoots 6.5mm/.264 class projectiles while the 6mm Creedmoor is necked down to shoot 6mm/.243. 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. by David Bahde | Dr. 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. As their names imply the biggest difference between the 6mm Creedmoor and the 6.5 Creedmoor is the bullet class. Low velocity coupled with relatively light bullets reduces recoil. 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. Based on the .204 Ruger, which was created from the .222 Rem. 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. Absolutely, but not significantly better than the 224V with the 90 grain SMK. Thanks in large part to new, long-range shooting competitions, our acceptance of lower velocity accelerated even as muzzle velocities decelerated. bullets for the Hornady 6mm ARC. Jan 13, 2021. Most Popular. V-MAX Item No. Soft-report, low-recoil cartridges prove ideal for starting new shooters, many of whom never see the need for escalation. 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. Both hit at around 12 mils, the 6ARC just hit harder. $1.75/Round. With the 6PPC you have to turn necks and fire-form the cases from smaller 220 Russianbrass. This made sense. The rifles Barrett supplied for the DoD are top-notch, but they are just a modified REC-7 DI. The 6mm ARC was designed to match specific DOD requirements while fitting in the AR15 platform. No factory rifles or ammo was available, but for a while, Federal offered nickel-plated 6x47 cases. In very simple terms, the 6mm ARC's exterior ballistics exceed . remains a runaway hit to this day. 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. So adopting the cartridge should be, for many shooters, convenient and affordable. Todays fast-twist .223s and heavy bullets have made it effectively obsolete. 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). Developed by Hornady in concert with Proof Research and Barret Rifles, the result is a SAAMI spec and full support. The general shooting public loves them for control of vermin like feral hogs. Those I know that can pick their own stuff are still proving out the 224V and many like it, not sure the differences are enough right now, time will tell. 75 GRAIN BULLETS SECTIONAL DENSITY: 0.181 DIAMETER: 0.243" 75 gr. So what about Hornadys published 2,750 fps number for the 108 grain ELD-M bullets in 6mm ARC? Slightly bigger still is the 6CM, which invokes much cooler H1000 powder (to best all these in barrel life). 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. Of course, handloading the 6mm Creedmoor is a reloaders dream. I fall into the latter category. Then theres Hornadys new 300 PRC, Weatherbys 6.5-300 Weatherby, and several more modern speed demons. Each rifle ships with one 10-round magazine. The Hornady 6mm ARC is at its best with long for caliber, high BC bullets like this Berger 108-grain Elite Hunter. 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. Larue Tactical two-stage, small parts are Seekins, the stock is an LMT. 6mm BR vs 6mm BRA vs 6mm Dasher. Read on! has much kick to start with. The .223 does have advantages, though. While almost any combination of components seems to shoot well, my favorite powders are Hybrid 100V, Reloder 17, and Power Pro 4000MR. Claims for the 6mm ARC are that it is better in every category. I have the 6 ARC and getting great results of .250 groups when I do my part. Has any one who has both ever measured the case capacity (H2O) My google foo has failed me. Shots are on 12 round steel and 22 x 16 silhouette steel at 600 and 1100 meters. Use load data at your own risk. The current reincarnation of this round is the 6mm BR Norma, with essentially the same case dimensions. 6mm ARC The newest 6mm factory round is the recently announced 6mm ARC (Advanced Rifle Cartridge). For example, the data in the Hornady 11th Edition Manual for an 18 in (457 mm)-barrelled AR-15 platform firearm was on average 200-300 ft/s (60-90 m/s) less than the data for the 24 in (610 mm)-barrelled CZ 527 bolt action rifle. Each session started with a cold shot at 100 meters confirming zero while showing repeatability out of the bag. Your email address will not be published. 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. Mag. Material connection (partnerships) information available at http://ultimatereloader.com/about/, 6mm ARC is so new that as of the writing of this article, published load data did not exist! .563) from wobbling, the 6mm ARC will need at least a 1:7 twist. can exceed it by 500 fps and the 240 Weatherby by 600 fps. And one may be all you need to justify a new rifle in a new, low velocity chambering. (In the 1960s, Speer made a 105-grain RN just for the .244 Rem.) I cant see it, but for those who like to try something different its is a really nice option. Cartridge Specs. Lapua brass is easy to find, however the bullet (105 Hybrid) and powder (Varget/H4895) most run will be tough to find. I also shot mine with an Ultra 9 direct-thread suppressor. The ballistics look great. Photo shows high B.C. Its design uses propellants efficiently. Winchesters strategy for the .243 was twofold and well thought out. 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. Above: 6mm ARC case capacity measured 33.96 grains H2O. That will undoubtedly change, but not overnight. That doesnt take anything away from what the 6 ARC does and the companies who developed it. Subscriber Services. Any discussion of great 6mm cartridges must start (some would say end) with the .243 Winchester. All Rights Reserved, Borden's 7mm Rem. You'll need a new barrel, bolt, and mags. It is chambered in many very good and some very inexpensive rifles, which have helped make it the hit that it is. [5] 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. You may know one or two more. 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. Sign up with your email address to receive news and updates. 6 BR REM, not 6.5. Availability of factory ammo may be a plus for the 6ARC. muvef Junior Member. Dropped on my M16 lower doubles and triples stayed on a full-sized silhouette out to 25 yards, stretched doubles to 50 yards. Commercial 6mm ARC loads feature bullets selected to deliver ideal performance for hunting, match shooting, and personal protection applications. Hornady found a solution with the 6mm ARC. SPC; the 300 AAC Blackout, 350 Winchester Legend and 458 Bushmaster. H-4895 is closer to the 6.5 Grendel sweet spot, so I thought it would be worth a try. has not been on game, some loads stand out. The old 243 Winchester can beat that by about 300 fps. Even with the cost of the Proof Research barrel it doable. 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. 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. The 6 ARC proved at 2720 fps with a Density Altitude of 8800 feet. It will be interesting if they chamber this in micro-action bolt carbines like the Grendel has been. Because it's been around longer there are many, many more factory loads . 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. Given this or your typical AR10, no contest, the 6 ARC is much easier to carry. You can boost the performance of the 6mm ARC in a bolt action quite easily. Ok from the perspective of one 6mm ARC lover. Did the 6 ARC outperform the .223? Unlike the WSSM, the Hornady 6mm ARC was engineered around a long, high B.C. only ever shot someone else's 6br but I have to say I liked it a lot . Low recoil is also noted. Given the need for a centered shot on a 6 roundish target from 100 to 300 meters, I would take it without hesitation. Poll: What Rifle Cartridge Do You Reload Most Often? With more case capacity, the 6mm BR can drive the heavier, higher BC bullets needed at long distance. Both were termed Pointed Soft Point Core-Lokt bullets. was everything the .244 Rem. Posts: 11,077. GD. (Maybe in 6mm ARC? Reply. The rim diameter of the 6mm ARC is 0.441 inches, while the 243 is slightly larger at 0.471 inches. Snipers Hide is a community of Snipers of all kinds, focusing on long range shooting, accuracy, and ballistics. 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? Wildcatters have had a field day with the 6mms, and the list of their creations is long. ARC stands for "Advanced Rifle Cartridge." The caliber is 6mm or .243. 6.8 SPC The 6mm ARC has more match bullet options and is a better long-range performer. The 6mm Creedmoor and it's smaller siblings like the 6mm Dasher, BR . .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. Poll: What handgun cartridge do you reload most often? Its all about the lack of correlation between mapping out rounds on a computer and sending them downrange at targets measured in yards. Just pouring powder in and checking it by eye. This increased size means the 243 has a case capacity of 53-54.8 gr H2O. Like the grendel though you probably don't want to run high pressures on an ar bolt though. Based on my best estimation, my H-4896 108 ELD-M load would produce approximately 2,754 FPS in a 24 bolt-action rifle. Blue collar reloading had 25 boxes of brass right now. Mag., the 6mm-204 essentially recreates the 6x47. Shop 6.5 Grendel Ammo Velocity can be a factor, but given the same weight, recoil should be similar so I kept the weights as close as possible. ZEV cleaned house using the David Tubb DTR reticle. 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. For those using 6.5 Grendel, its a 5-minute barrel change. For a better experience, please enable JavaScript in your browser before proceeding. The 243 has a case length of 2.045" compared to the 1.49" of the 6mm cartridges. 6.5 Grendel The 6mm ARC delivers comparable performance from a wider assortment of bullets, making it a more versatile choice. Five shot rapid-fire was not bad. Every rifle is a proven performer to 1100 meters and an AR using the same or similar suppressor, no brakes, flash hiders or conventional suppressors. 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. Review: Hornady 6mm ARC. 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. Joined. Doesn't the 6mm ARC have a smidge more powder capacity over the 6mm BR? Dr. 'http':'https';if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src=p+'://platform.twitter.com/widgets.js';fjs.parentNode.insertBefore(js,fjs);}}(document, 'script', 'twitter-wjs'); 2023 Copyright 2023 Ultimate Reloader LLC. Im referring to the 6mm Creedmoor, which is simply the 6.5 Creedmoor case necked down with no other change. 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. Thats only a minor impediment for serious riflemen. A new 6mm round blossomed in 2017, and it has already taken a position in the Great category. 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. The strings netted three or four out of five, misses were off the edge. of Israeli Defense Forces, joins David Fortier for an exclusive interview for Shotgun News. To keep the 115-grain Berger VLD (G1 B.C. bullets. Introducing the Silencerco SCO15 Lower Do We Need Another AR-15 Lower? Before there were scopes or red dots there were iron sights. In 100-200yd benchrest competition, the 6PPC is still the "winningest" cartridge around. Sectional densities are similar, and both should be good penetrators. All Shooting Times subscribers now have digital access to their magazine content. A quality shooter can certainly compensate for 3 inches of difference, so while it's a victory for the ARC, it's a narrow win. Posted: 11/11/2012 6:04:07 PM EST [#2] Velocity with a 105gr bullet from both is 2750 fps. 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. As for the 6ARC, I would take a vital shot at 600 meters without hesitation given a solid platform. If this development strikes you as the opposite of progress, you might have spent the bulk of your life in the 20th century. The need for a new, uncommon bolt/ face/ assembly kills 6 arc in the real world for bolt guns. . It is advanced for the AR platform. Pretty cool having a light-weight AR-15 that can accurately shoot out to at least 900 yards. L. to R. are 243 Winchester, 6mm Remington, 240 Weatherby Magnum. The sudden popularity of the AR-15 platform rifle has inspired a flurry of new, short cartridges that fit its short magazine. Comparing 6mm ARC to 6mm CR is is apples and oranges again. The hunter can add about 100 to 150 fps of additional velocity to most game-weight bullets. The short reality is somewhat different. Second, it was chambered in the delightful Winchester Model 70 Featherweight, which was a major factor in the .243s huge success. Already offering hunting, practice, and LE (TAP) rounds, the 6mm ARC starts with a firm leg up and should not be discounted without regard to why it was developed. Some of the super short cartridges created to fit the increasingly popular AR-15 platform rifles with 2.26" magazine length. Thread starter Travis224; Start date Aug 11, 2020; Forums. Recoil is subjective and using the same bullet weight they were all close. 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. 6mm ARC quick facts: It's a 6mm cartridge similar to 6.5 Grendel, built for the AR-15 platform It's optimized for bullets in the 103 grain - 110 grain range It's got more velocity and less recoil compared to 6.5 Grendel It shares the same parent case with 6.5 Grendel: The 220 Russian What does all this mean? Outside a few very special special units, the military gets whats issued. of H2O, almost right inbetween a 6 mm PPC, around 32 gr. The .240 Wby. You must log in or register to reply here. Velocity is 2,827 fps, and out of my Browning A-bolt II, it groups into 1.10 inches. Or anything? It still turns the steel and is very consistent holding 9 mils at the top. Recoil is primarily a product of bullet weight. .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. Eight reasons to embrace the Hornady 6mm ARC and other low-velocity cartridges. 6MM ARC AR-15 Barrels for Sale at Joe Bob Outfitters! The case capacity of a 6mm AR is about 36 gr. Im interested in a direct comparison to the 224 Valkyrie and the 6 mm ARC. Poll: Where are you finding reloading primers and powder? Taurus has redesigned this sporting pistol for performance. There is nothing more competitve than a 6BR Norma when the wind is consistent or low. 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. | NOTE: This 6mm ARC reloading data is intended for use in bolt action rifles safe for pressures up to 62,000 psi. This is only a slight victory, however. By comparison, the 6 mm ARC gets there in 2.04 seconds. Just striving for accuracy. I shot out to 700 yards next with .4 to .5 MOA accuracy and ended the day putting 3 out of 3 shots on the 900 yard gong in a .4 MOA group. H2O. Savage already offers a few more inexpensive options in 6mm ARC though defiantly not a mini action. I wont even mention primers as that is just generic across the board with any caliber at this point. Dave Bahde Dr. WT? 6mm ARC vs 6mm BR. L. to R. are 223 Rem., 6.5 Grendel, 6.8 Rem. Not only did the rifle have a nice checkered American walnut stock, but also the light barrel was a handy 22 inches long. 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). Again using QuickLoad, I developed the following load: Here I saw velocities averaging 2,631 FPS. L. to R. are Berger 95-gr. They run the gamut from tiny benchrest numbers to those with larger cases that essentially duplicate many factory rounds. It recoils about 50% less than any long-range 308 Win. JavaScript is disabled. It is larger than the 6x47L and matching the 6-Creedmore capacity. I cant speak for the ARC, but for the 6BR. It also produced the best accuracy as seen here: This load is a good performer, but I wanted to see if I could get more velocity from the 108 grain ELD-M bullets, so I tried a different powder! is One Gun To Rule Them All, New 270 Cartridges Challenge 6.5s and 7mms. Not liking Factory ammo so much as the longer OAL is a fair bit more difficult to load the magazine. All gunsmithing procedures should be carried out by a qualified and licensed gunsmith at their own risk. Its small, and its availability is limited, but its accuracy and ballistic performance really qualify it for the Great category. Only a few metric calibers have been really popular in the United States6.5mm and 7mmso the Great 6mms are relatively few in number. The newest 6mm cartridge is the 6mm ARC, which Hornady just introduced. Another interesting development is the 6mm Dasher that was developed by Al Ashton and benchrest gunsmith Dan Dowling. F-Class A to Z with Erik Cortina + Special Guest! Not a single stoppage amongst them too include a couple 17 round full auto mag dumps. Unlike the NGSW the 6 ARC is a standard cartridge fired from an AR-15. For now, though, it is anything but a sea change amongst the broader Special Missions Units. This rifle originally started out as a 224 Valkyrie using their IRMT upper and NX15 lower. 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. VLD Match. I have a precision set up AR in 224 Valkyrie. 1100m: This is more academic than real, but they claim 6mm ARC performs at this range (compared to the .223 and 308). LMT shot softer, exhibited a tank-like build, and proved great to shoot. If you already have an AR chambered in 6.5 Grendel, the ONLY thing you need to change is the barrel. it looks like the 6mm ARC is 1.490 and the grendel case is 1.52, so not much of a shortening if really at all. I chose to start with Varget because of what I read about 6mm PPC, and I have a lot on hand! The pair developed the .22 PPC in 1975, and the 6mm PPC followed in 1987. There you have it. 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. I don't shoot past 300 and dead is dead. The cartridge is specifically designed to maximize performance in AR-15s with barrels between 12 and 24 inches. 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 are going to reload for it and want to shoot light bullets. The 6.5 Grendel products deliver about 25.3 inches of drop at 400 yards when the rifle is zeroed to 200 yards. There are probably better choices in a bolt gun, The 6 BR Rem has been around for a while but not fifty years, yet. How about the 26, 27, 28, and 30 Noslers? That said, I just got a 6BR for my new PRS rifle. No math test required. Excessive recoil, debilitating blast, and marked overpressure remain its claim to fame, thereby making it unsuitable for comparison for most of us. [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. Five more for effect as fast as I could get back on target ended the drill. These developments are interesting, and the supreme accuracy achieved by several of the wildcat cartridges make them worthy of mention here. : 0.330 VELOCITY (FPS - feet per second) POWDER 3000 3100 3150 3200 3250 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 . 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. Standard practice is to start tweaking burn rates, bullet weight and weighting factor to make calculated muzzle velocity match actual. In addition to the above comments there is some confusion regarding the 6 mm ARC's performance. 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. Or hunting? Mid-20th Century 24-calibers shoot much faster than the new Hornady 6mm ARC, but are they ballistically better? 22420 C.O.L. The benchrest crowd has not been overlooked in the 6mm derby, and one cartridge literally rewrote the record book. Accordingly, the firm introduced two loads. MV consistency matters a great deal at extended ranges. Advanced Marksmanship Unit. The 6mm Rem. Founded by Frank Galli in 2000, Snipers Hide has been offering informational videos, podcasts, and other support to its users in one location. 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. 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. Joseph VonBenedikt is with Joel Hodgdon to talk about the improved accuracy and long-range potential of the already reliable Core-Lokt ammo line. Joseph Von Benedikt shows his custom 500 and how well it shoots. The bullet drop for the 6.5 Grendel is slightly greater because it's a larger bullet. bullets of the 6mm Creedmoor. | 0 comments. This colored our perception of lower velocity rounds. However, the 6mm BR is superior at 300m and beyond. The 6mm ARC produces a larger splash signature that allows shooters to self-spot impacts and make rapid adjustments. [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. bullets like Hornady's 108-grain ELD-Match, the Hornady 6mm ARC drops and drifts less than any 223 Rem. 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! 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). 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.