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The average muzzle energy of the 6mm ARC is about 2300 ft-lbs, while the average muzzle energy of the 6.5 Creedmoor is around 2700 ft-lbs. It's case length is close to 6mm ARC; The biggest differences between the 6mm PPC and the 6mm ARC are the shoulder angle (30 for 6mm PPC, and 40 for 6mm ARC), and the base-to-datum spec for the shoulder (6mm ARC is pushed back further). With almost 2 of separation at 500 yards, the gap between them is much smaller. case, being based on the .257 Roberts hull, has slightly more powder capacity than the .243 Win., and it's therefore capable of imparting a bit more velocity. This increased interest means that there are more people playing games on a regular basis, which should help keep the new ARC relevant for years to come. This is reflected in the prices, availability, and variety of factory ammunition and hunting rifles currently in production for each cartridge. So, the Creedmoor has about 17% more energy at the muzzle than the 6mm ARC. 6.8 SPC The 6mm ARC has more match bullet options and is a better long-range performer. If youre in the market for a new rifle, youve probably come across the 6mm ARC and 6.5 Creedmoor calibers and are wondering which one is better. The 6mm Creedmoor can use the same lighter weight bullets as the .243 Winchester and fire them a bit faster (around 200fps with typical factory loads). The 6mm Creedmoor is a very well designed cartridge that offers some marginal advantages over similar cartridges. Makes for a crazy lightweight 6.5 grendel in their Howa carbon stalker. A big fan of long-range shooting, Snow was particularly intrigued by the brand new 6.5mm Creedmoor cartridge that had just been released that year. which is also much easier to find than 6 ARC or grendel. Many 6mm-caliber cartridges are used for various shooting purposes because they provide excellent accuracy and light recoil. Required fields are marked *. Another factor to consider when choosing a caliber is recoil. 6.8 SPC. F-1 Proof Stag Custom Lightweight AR in 6mm ARC, 6mm Creedmoor rifle for sale - Short Action Customs. If you have any doubt how well Hornady does this look no further than the 6.5 Creedmoor. the idea of a 6ARC bolt platform is always lurking in the back of my mind.which intrigues me as I always preferred semis based on a MIL issue platform. The sixmm ARC has enough stopping power to take down small game, but it is not ideal for self-defense against larger animals or humans. The oldest actual mention of the idea for a 6mm Creedmoor that is laid down in historical record, is this post on Snipershide by user skeetlee, known in real life as Greggory Lee Gardner of Lee Gardner Precision. [5] Right out of the muzzle, the 6mm ARC is traveling at 2,750 ft/s, or 170 ft/s faster than the 6.5 Grendel. However, if you are looking for a round that is specifically designed for self-defense, you may want to consider something else. The difference between the .243 Winchester and the 6mm Creedmoor can indeed make the difference in a tightly contested shooting match, but the gap between them is small enough that very few hunters will notice afield. Using dramatically less powder, it is believed that the barrel on an 6mm ARC will far outlast a 6mm Creedmoor's. It kicks less and has very similar performance regarding wind drift, which after accuracy and consistency is the biggest issue for long-range shooting. The Creedmoor will typically penetrate deeper and create a wider wound channel than the 9mm ARC, making it a better choice for hunting. That being said, remember that the 6mm Creedmoor only offers a small upgrade in performance over the other two cartridges. From the ballistic standpoint, the .244/6mm Rem. In fact, while the selection of 6.5 Creedmoor rifles and ammo are also good, things are as good, and maybe even a little better with the 6mm Creedmoor with the ongoing ammo shortage. Just playing in GRT, 6ARC would get 2400ish and the 6CM would get 2700ish. TheHornady 10th Edition(p231-237 and p317-322) reloading manual was also used as a reference for the history of the cartridges and provided data to compare their size and recoil. I'd say that for peak performance they do. 6MM Creedmoor; 6.5 Creedmoor; 308 Win; MLR 28 Nosler; 7MM Rem Mag; 300 PRC; 300 Win Mag; AR-15 Complete Uppers 204 Ruger; 22 Nosler; 223 Wylde; 5.56 NATO; 6MM ARC; 6.5 Grendel; 6.8 SPC; 300 Blackout; 350 Legend; 450 Bushmaster; 9MM; AR-10 Complete Uppers 22-250 Rem; 243 Win; 6MM Creedmoor; 6.5 Creedmoor; 308 Win rifles come with 1:10 twists, which are not quite quick enough to stabilize today's longest, highest B.C. 6mm CM is over 200fps faster even pushing the ARC with a more compressed load. Note: while the powder capacity figures listed below do give a good indication of the differences between the two cartridges, exact case capacities vary slightly according to the brand of brass used. 6.5 Grendel vs 300 Blackout Review & Comparison, 11 Reasons The Leupold VX-6HD Is An Outstanding Hunting Scope, 450 Bushmaster vs 45-70 Review & Comparison, 28 Nosler vs 300 Win Mag Review & Comparison, Best 22 Hornet Ammo For Hunting Coyotes, Bobcats, & Other Varmints, 15 Best African Hunting Books For When Youre Dreaming Of Being On Safari[2023], Best 350 Legend Ammo For Hunting Deer, Hogs, Bear, & Other Game, Best 6.8 Western Rifles for Hunting Ultimate Guide [2023], Best 300 PRC Ammo For Hunting Elk, Deer, Bear, & Other Game, Best 6.5 PRC Ammo For Hunting Deer, Elk, Bear, & Other Game, Best 350 Legend Rifles for Hunting Ultimate Guide [2023], Best 6.8 Western Ammo For Hunting Elk, Deer, Bear, & Other Big Game, Ballistic Coefficient (BC): .512 (G1) .258 (G7), Muzzle Velocity: 3,050 feet per second (2,127 ft-lbs of muzzle energy), Muzzle Velocity: 3,100 feet per second (2,027 ft-lbs of muzzle energy), Muzzle Velocity: 3,200 feet per second (2,046 ft-lbs of muzzle energy), Ballistic Coefficient (BC): .436 (G1) .215 (G7), Muzzle Velocity: 3,150 feet per second (2,094 ft-lbs of muzzle energy), Muzzle Velocity: 3,210 feet per second (1,990 ft-lbs of muzzle energy). This is "6mm ARC vs the Creedmoors" by Hornady Manufacturing on Vimeo, the home for high quality videos and the people who love them. This data is for Hornady handloads and HornadyPrecision Hunter factory ammo using a 200 yard zero and a 24 barrel. While all three cartridges are known for their exceptional accuracy, the 6mm and 6.5mm Creedmoor cartridges are usually better suited to use high BC and high SD, heavy for caliber match grade hunting bullets than the .243 Winchester because of the aforementioned faster rifling twist in rifles chambered for those cartridges that stems from their target shooting roots. The 6mm ARC was designed to match specific DOD requirements while fitting in the AR15 platform. In general, the bigger the bullet, the better it will perform on game animals. I know of several instances of people that Ive known who have bought new rifles in a particular cartridge specifically because they could get ammo for it. So, I decided to include this those handloads to give an idea of how their performance compares when using the same type and weight bullet. Who knows how long that will last, but its definitely something to keep in mind during the short term. In fact, I now only have RCBS dies for all of my calibers except the rare wildcat calibers that RCBS do not make dies for. For a long time I have wondered about how barrel length affected velocity. The 6.5 Creedmoor commonly uses 120gr, 140gr, and 143gr bullets. Been doing a little more experimenting 6mm ARC Complete Upper 20" SS Barrel and 6mm Reloading EVERYTHING! Someone keeps forgetting to tell John Whidden that he cant spank the Creedmore fanboys at the Wimbledon matches with his 20 deg shoulder, low pressureed, overly tapered 243 Win. I'm not disputing his numbers, because no 2 guns are the same, and he may be using his own loads where I'm shooting factory ammo. Cartridge Specs: 6.5 Creedmoor Vs. 6mm Creedmoor Understanding a cartridge's capabilities always begins with basic knowledge of the physical properties of the cartridge. It offers the same stability factor as the industry-leading 105gr Hybrid Target and is a direct replacement for 1:8" twist barrels. I know what. Ammo and rifles arent impossible to find, but theyre much harder to find than 6mm Creedmoor rifles and ammo right now. We do deal with a lot of different cartridges and firearms so either he or I could be getting the numbers mixed up. Since those rifles also typically have a relatively fast rifling twist, theyll accurately shoot heavier bullets with a high ballistic coefficient. Once this unconstitutional law is struck down or repealed, this restriction will be removed. Most 243 Win. 224 Valkyrie and 6mm ARC have an identical overall length The case length of the 224 Valkyrie is slightly longer than the case of the 6mm ARC The case capacity of the 224 Valkyrie is one-half grain more than 6mm ARC The maximum loading pressure, according to SAAMI, is 3,000 psi higher for 224 Valkyrie than 6mm ARC The differences in trajectory are of course smaller at shorter ranges, but that 200fps advantage in muzzle velocity the 6mm Creedmoor has does result in a noticeable improvement in performance. In general, larger calibers are better at delivering more energy to the target and creating a bigger wound channel, while smaller calibers are lighter and easier to carry. Why would a guy opt for the ARC over the Creedmoor in a bolt action? My best guess I'd say a 6mm CM out of a 18" barrel would push a 108 ELDM around 2850 fps. 6mm GT vs 6mm Creedmoor The 6mm GT offer similar mag-fed reliability to the 6mm Creedmoor, with similar velocities, but with slightly less propellant, and is able to use the more forgiving propellants which make the 6mm GT slightly easier for load development with new barrels. Its not a magical cartridge, but the 6mm Creedmoor does provide real benefits over the 243 Winchester. Interestingly, there is a surprisingly good selection of factory loaded 6mm Creedmoor ammunition these days. I shot 87 vmax mostly at 2900 fps or so iirc with 8208. For all the reasons mentioned is why I went with a 6x47 Lapua for a bolt gun. 243 vs 308 vs 7mm-08: Which Is Right For You? Apple|Google|iHeart|Spotify|Stitcher. The much newer 6mm Creedmoor is by far the least common. Not much comparison if you ask me. You are using an out of date browser. The data used to compare the trajectory of the cartridges was obtained from Hornady (here, here, and here). Perhaps, someday. Currently 6mm ARC ammo is harder to come by than 6mm Creedmoor.