The 6mm ARC was built by necking down the 6.5 Grendel. Some smaller capacity, low velocity rounds are tailored for sub-sonic, low-report firing for clandestine military engagements. Campfire Outfitter . Cleaned it all but twice missing one cold shot at this range. SPC; the 300 AAC Blackout, 350 Winchester Legend and 458 Bushmaster. 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. Joseph Von Benedikt visits with Aaron Oelger from Hodgdon about the unprecedented demand on the shooting supply industry. 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. 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. 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. The hunter can add about 100 to 150 fps of additional velocity to most game-weight bullets. The cartridge was developed by Noslers Mike Lake, and it was approved by SAAMI in 2017. Always used manufacturers published load data! Hornady found a solution with the 6mm ARC. Joined: Jun 2002. Eight reasons to embrace the Hornady 6mm ARC and other low-velocity cartridges. .563) from wobbling, the 6mm ARC will need at least a 1:7 twist. For now, though, it is anything but a sea change amongst the broader Special Missions Units. The old 243 Winchester can beat that by about 300 fps. All of these are heading in the opposite direction. 6 BR REM, not 6.5. 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. Due to the lower MAP, the performance of 6mm ARC ammunition loaded to gas-gun pressures will, on average, be less than firearms loaded to bolt action pressures when using the same barrel length. According to some of the PRS crowd it lets you spot shots through your scope. case necked up, made especially for ARs. 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. 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. Learn more here: http://bit.ly/1G7xXag. It is NOT for use in AR-15 style (gas gun) rifles. Copyright Ron Spomer Outdoors document.write(new Date().getFullYear()) The .223 does have advantages, though. With the 6PPC you have to turn necks and fire-form the cases from smaller 220 Russianbrass. The 6mm ARC is designed to run in existing in M4 rifle platforms. I tried the hand loaded 27 grain Varget loads and they shot a pleasantly surprising .5 and .52 MOA group at 100 yards. The 6mm ARC produces a larger splash signature that allows shooters to self-spot impacts and make rapid adjustments. The 6mm CM at 300yds is 2514 and 1446 and 6mm ARC is 2288-1197. I also shot mine with an Ultra 9 direct-thread suppressor. Given this or your typical AR10, no contest, the 6 ARC is much easier to carry. This increased size means the 243 has a case capacity of 53-54.8 gr H2O. Honey Badger, XM2010, C22, R4, MSR, CSR, AAC, BARNES BULLETS (https://www.youtube.com/watch?v=ykTfyrMiXps). It will be interesting if they chamber this in micro-action bolt carbines like the Grendel has been. The Hornady manual states that this second set of data should not be used in gas-guns. I'm pretty sure that the dies were marked 6 BR REM. I have never had a easier caliber to load for. Dropped on my M16 lower doubles and triples stayed on a full-sized silhouette out to 25 yards, stretched doubles to 50 yards. 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. Some have long and storied histories, while others are just now making their own legends. I used the lathe to modify a 6.5 Grendel bushing die and ended up with a 6 ARC die. That bullet and Hybrid 100V powder recently grouped into a remarkable 0.44 inch in a Ruger Model 77R. After forming some cases I shot Berger 105 hybrid targets over 27.5 grs. By comparison, the 6 mm ARC gets there in 2.04 seconds. I chose to start with Varget because of what I read about 6mm PPC, and I have a lot on hand! 6mm BR vs 6mm BRA vs 6mm Dasher. Introducing the Silencerco SCO15 Lower Do We Need Another AR-15 Lower? The IRMT upper locks the barrel in place with unparalleled rigidity. Closer to 43, I think. ZEV cleaned house using the David Tubb DTR reticle. 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.". Typical social media and industry speculation fired up with a fury. All Rights Reserved, Borden's 7mm Rem. Cal December 9, 2018 Leave a comment. 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. Did the 6 ARC outperform the .223? Nearly two dozen rifle makers are already chambering for the round, including Browning, Proof, Christensen, Barrett, Mossberg, and Howa. Variations on a theme. Share. Ok from the perspective of one 6mm ARC lover. I purchased a 6mm ARC barrel from Brownels when they first came available. For a better experience, please enable JavaScript in your browser before proceeding. 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. The suppressor is an X2Devgroup, Orion X. Its short at 6, light at 16 ounces, and has no backpressure eliminating excess gas. It is larger than the 6x47L and matching the 6-Creedmore capacity. They built these rifles with great attention to detail. Always cross-reference load data with manufacturer's published data. You may know one or two more. Low recoil is also noted. And one may be all you need to justify a new rifle in a new, low velocity chambering. It stays supersonic farther downrange than the 308 Win. I also confirmed velocity for existing conditions. That doesnt take anything away from what the 6 ARC does and the companies who developed it. Ballistic coefficients are about equal, with a slight edge going to the 6mm 108 ELD . If you have any doubt how well Hornady does this look no further than the 6.5 Creedmoor. 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 current reincarnation of this round is the 6mm BR Norma, with essentially the same case dimensions. It's also legal for deer hunting in more States and arguably more effective. The .240 Wby. 6mm ARC The newest 6mm factory round is the recently announced 6mm ARC (Advanced Rifle Cartridge). 260RemGuy: I began a five year long search (bribery fest!) Just striving for accuracy. 1100m: This is more academic than real, but they claim 6mm ARC performs at this range (compared to the .223 and 308). Here I am shooting a Smith & Wesson M&P chambered 5.56x45mm. | Shooters needed cartridges that would fit these increasingly popular, super-short actions. [citation needed]. Posts. Slower, sure, but not enough to matter in the real world on real threats. 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). First, the cartridge was designed for dual purposes: deer hunting and varmint hunting. I had only some pre-primed new Hornady 6mm ARC brass to start with and the SAAMI Specs for 6mm ARC. Powered by UBB.threads PHP Forum Software 7.7.5. [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. Designed to meet the needs of the worlds toughest critics, the 6mm ARC utilizes efficient, high-BC bullets to deliver unprecedented performance from the AR-15 platform. Both hit at around 12 mils, the 6ARC just hit harder. This data and these techniques can not be assumed to be safe. Twist rate was one turn in 10 inches, which handled the 100-grain deer bullets nicely. 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. Poll: Where are you finding reloading primers and powder? can exceed it by 500 fps and the 240 Weatherby by 600 fps. Her 6mm Creedmoor rifle is light and handy and shoots like a house afire, and recoil and muzzle blast are modest. With this testing behind me, I must say it was fun, I enjoyed it and will keep testing as new ammunition is available. 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. Hunting inside 300 meters the 300 HAMR rules that realm. Those held a water weight of 34.74 grains with a SD of .14 grains. Does the 6 mm arc not have 30 degrees shoulder angle?is wikipedia wrong? 6.5 Grendel vs. 6mm ARC Ballistics. The 6mm ARC is a 5.56-platform compatible cartridge, similar to the 6.5 Grendel. 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. No math test required. Reply. Hornadys 80-grain GMX and 103-grain ELD-X and the Speer 90-grain Hot-Cor all are accurate and deadly. The ballistics look great. . L. to R. are 243 Winchester, 6mm Remington, 240 Weatherby Magnum. Or hunting? Unlike the WSSM, the Hornady 6mm ARC was engineered around a long, high B.C. 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. Given the need for a centered shot on a 6 roundish target from 100 to 300 meters, I would take it without hesitation. Winchesters strategy for the .243 was twofold and well thought out. Commercial 6mm ARC loads feature bullets selected to deliver ideal performance for hunting, match shooting, and personal protection applications. Editors Note: Looking for a deeper dive on the 6.5 Grendel vs. 6mm ARC? 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. Sectional densities are similar, and both should be good penetrators. Reduced recoil minimizes flinching and enables shooters to see their hits or misses so they can correct for subsequent shots. I started out a skeptic, not terribly excited about the 6mm ARC. It would seem to make a dandy handgun round as well. It was the wildcatters who brought it back to life by fiddling with a couple of popular designs. was everything the .244 Rem. 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. Precision Rifle Podcasts - 4 Podcasts Hosted by Top 10 Shooters. 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. Lapua brass is easy to find, however the bullet (105 Hybrid) and powder (Varget/H4895) most run will be tough to find. Company literature in 1955 described both bullets as Soft Point.. 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. 6mm ARC vs 6mm BR. The difference between the 6 mm BR Rem and the 6 mm BR Norma are slight, but in a tight chamber . Founded by Frank Galli in 2000, Snipers Hide has been offering informational videos, podcasts, and other support to its users in one location. While it did well the clear winner was the 6CM, high BC and extra velocity are hard to overcome at this range. 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. Ran great with solid and repeatable accuracy using the same bullets as the 6CM. Posted: 11/11/2012 6:04:07 PM EST [#2] Velocity with a 105gr bullet from both is 2750 fps. is One Gun To Rule Them All, New 270 Cartridges Challenge 6.5s and 7mms. 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 ARC seems to be knocking on the heels of a BR. Lower velocity means less flame and heat for longer barrel life. WT?, Tactical Time Lord. H4895. Once lasers hit the fields, the game began to change. Accordingly, the firm introduced two loads. H-4895 is closer to the 6.5 Grendel sweet spot, so I thought it would be worth a try. It is based on the .308 Winchester case, necked down with no other change. 600m: Out of ten cold shots at 600 meters 7 hit home, pretty impressive. Its all about the lack of correlation between mapping out rounds on a computer and sending them downrange at targets measured in yards. Not liking Factory ammo so much as the longer OAL is a fair bit more difficult to load the magazine. If you are looking for 6mm ARC ammunition, components, or parts/gear, check out the following: Dont miss out on Ultimate Reloader updates, make sure youre subscribed! LMT shot softer, exhibited a tank-like build, and proved great to shoot. 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. pavementends Junior Member. Its easy to understand why its such an excellent performer. 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. muvef Junior Member. At the moment, it remains a proprietary caliber with one source of magazines and ammo, unproven. Should I consider another upper? Sneak Peek of Bryan Litz's New Book: Volume III of Modern Advancements in Long Range Shooting. There are 6ARC bolt guns out there. 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. 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. Each session started with a cold shot at 100 meters confirming zero while showing repeatability out of the bag. Savage already offers a few more inexpensive options in 6mm ARC though defiantly not a mini action. !function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0],p=/^http:/.test(d.location)? 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. Has any one who has both ever measured the case capacity (H2O) My google foo has failed me. The factory 105s shot at 2662 FPS with an SD of 11 as measured by a Labrador. 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. Im interested in a direct comparison to the 224 Valkyrie and the 6 mm ARC. As Jackie says there's a big difference in the cases. The general shooting public loves them for control of vermin like feral hogs. Whats the plus delta on each? When it comes to the 6 ARC vs. everything else, it felt like carrying a 224V with the same length barrel. Joined. 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. That wont change and logistically the 6 ARC is still at baby steps. They still do. Jan 13, 2021. Location. The Eagle Eye 6.5 Creedmoor shoots a 130gr hybrid projectile with a .295 G7 at 2,960fps from an average 26" barrel. Posts: 11,077. 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. Notify me via e-mail if anyone answers my comment. Review: Hornady 6mm ARC. Ballistically, thanks mostly to heavy-for-caliber, high B.C. 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. When using shorter barrels, which are common on gas-guns, the difference will be even more pronounced. Ultimate Reloader LLC is not responsible for errors in load data on this website. August 14, 2022. 223 Rem., and most other cartridges that fit AR-15 length magazines and rifles. This is a much more confidence inspiring correlation with regards to safety and predictability. Advanced Marksmanship Unit. 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. They held a very consistent 34.58 grains of water. Minuteman. I don't shoot past 300 and dead is dead. If you want to shoot at distance with your AR-15, this is the cartridge. The rim diameter of the 6mm ARC is 0.441 inches, while the 243 is slightly larger at 0.471 inches. Thank you for this timely video. 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. 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. Standard practice is to start tweaking burn rates, bullet weight and weighting factor to make calculated muzzle velocity match actual. Another cartridge that deserves mention is the relatively new 24 Nosler. Lets now realistically compare the 6mm ARC vs. five of its perceived competitors. 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. Your email address will not be published. You are using an out of date browser. That will undoubtedly change, but not overnight. You must log in or register to reply here. The rifles Barrett supplied for the DoD are top-notch, but they are just a modified REC-7 DI. Of course, handloading the 6mm Creedmoor is a reloaders dream. The 6.5 Grendel products deliver about 25.3 inches of drop at 400 yards when the rifle is zeroed to 200 yards. This colored our perception of lower velocity rounds. projectiles make up for their lower MV with less wind deflection, the toughest variable to battle at long range. Some tactics never die, they just get regenerated. 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. Jeff, did you mean to type - 6.5BR? For those using 6.5 Grendel, its a 5-minute barrel change. The cartridge is specifically designed to maximize performance in AR-15s with barrels between 12 and 24 inches. Read on! When youre shooting dozens and dozens of rounds in a single competition, barrel life matters. A fun challenge. Will it be my go-to bang away rifle, not likely. $1.75/Round. One other fine 6mm round is the .240 Weatherby Magnum. 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. H2O, and a 6mm BR, around 39.0 gr. has much kick to start with. Here was my strategy to extrapolate my results to the likely scenario of the 24 test barrel: Heres the work-up: (pressure listed is MAX projected, not average). That said, I just got a 6BR for my new PRS rifle. A new 100-grain factory deer load completed the rounds metamorphosis. I fall into the latter category. Pretty cool having a light-weight AR-15 that can accurately shoot out to at least 900 yards. Handloads are easy to prepare, and while my limited use of the .240 Wby. Photo shows 5 popular short rounds for the AR 15 platform, same short action the Hornady 6mm ARC is engineered to fit. 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. Oct 7, 2010 530 254 44 Council Bluffs, Iowa. This isn't your grandpa's muzzleloading system. 6.8 SPC The 6mm ARC has more match bullet options and is a better long-range performer. 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. . Save my name, email, and website in this browser for the next time I comment. I also measured five fired but not resized factory 6mm ARC cases. The faster a bullet leaves the barrel, the farther it flies before hitting the ground, the less it deflects in crosswinds, and the more energy it carries when impacting the target. Make sure to watch till the end. 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). This means that during a 1,200-yard flight to the target, gravity and wind will pull and push on the 6 mm ARC between one- and three-tenths . Wilson Combat will offer WC-15 6mm ARC rifles with our match-grade, 18" fluted/threaded Tactical Hunter barrel. and 6mm Rem., but it pushes them a little faster. The powder charge I used then is lost to history, but the bullet was a Speer 90-grain SP. The .243 Win. Developed by Hornady in concert with Proof Research and Barret Rifles, the result is a SAAMI spec and full support. In 1955, on the heels of the .243 Win., the .243 Rock Chucker was modified slightly by Remington and became the .244 Remington. Mag. This is the Great short, fat 6mm PPC that was developed by Dr. Louis Palmisano and Ferris Pindell. But do you know how to properly use them? L. to R. are Berger 95-gr. Cartridge Specs. continues to ride the crest of the 6mm-caliber wave, the tried-and-true 6mm Rem. All Shooting Times subscribers now have digital access to their magazine content. The 224V and 6 ARC were identical to shoot and will probably stay my dedicated 1000 yard rifle (s) both ringing steel pretty easily. Short, relatively fat cartridges concentrate powder near the ignition flame for an even, consistent burn with a tendency to improve muzzle velocity consistency. Use load data at your own risk. was not, and the .243 Win. Poll: What Progressive Reloading Press Do You Use Most? Also 6X47 has also interested me. You can get a 6 to 6.5 pound rifle which can shoot high B.C. SuperCub. 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. I must note here how hard it hit. 6mm ARC: Fact or Fiction? The 6mm Creedmoor and it's smaller siblings like the 6mm Dasher, BR . See full disclaimer below. 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. At 400 yards, it has an average bullet drop of 22.2 inches. The 243 has a case length of 2.045" compared to the 1.49" of the 6mm cartridges. You never know for sure, but its not a failure out of the box like so many others. Team Hornaday is the master, bar none. Dr. Always enjoy your videos. A memorized trajectory curve combined with a ballistic reticle or turret dialing could compensate. I did a ladder test one time at 300 meters on an electronic target, the Norwegian ones that have verified accuracy. What follows is my experience shooting the 6 ARC compared to five other calibers. As a follow-up exercise, I plan to use QuickDesign software to create a more accurate model for the 6mm ARC. From an LE perspective, changing calibers is like pulling teeth on a ticked off Grizzley, very low rate of success and its hard to beat a .223 for patrol. 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. 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. 100-300m: Consistent 100 meter groups in the .60 -.75 inch range, 2.5-3.0 inches at 300 meters were the norm. As such, SAAMI maximum average pressure is set at a relatively mild 52,000 psi. Each rifle ships with one 10-round magazine. 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. Alaska. Facebook; Twitter; Pinterest; Related Articles. 2730 FPS and way over-pressured though SDs were single digits, groups were all just over 1.25 MOA. The newest 6mm factory round is the recently announced 6mm ARC (Advanced Rifle Cartridge). 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! 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. It is a 6 BR REM barrel that came off a rifle that I bought for the Remington 600 donor action. Maybe in a rural area where ranges stretch out, but movement here will be a rarity. As for the 6ARC, I would take a vital shot at 600 meters without hesitation given a solid platform. 1,226. Poll: What Rifle Cartridge Do You Reload Most Often? How do lower velocity cartridges improve long-range shooting? Hi Gavin, In the 1970s, the .222 Rem. if you are going to reload for it and want to shoot light bullets. Fast is better but slow means mo? Using a LabRadar chronograph to measure velocities, we saw an average of . 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 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. The Hornady 6mm ARC is at its best with long for caliber, high BC bullets like this Berger 108-grain Elite Hunter.