6mm arc vs 6mm creedmoor

Grade 2 ACL injury. Since its still a relatively new cartridge, most hunters probably dont know very much at all about the 6mm Creedmoor. For a long time I have wondered about how barrel length affected velocity. Because a real avid shooter loads his own ammo for various reasons. 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 6mm ARC's exterior ballistics are good, enough thanks to its use of high BC projectiles, to allow it to run with the .308 Winchester when shooting long. A 6.5 Creedmoor barrel typically lasts between 2,000 and 3,000 rounds, while the 6mm Creedmoor experiences serious velocity drops starting between 1,500 and 1,800 rounds. The ability to make rapid follow up shots and quickly correct for misses is also extremely important. The Lapua cartridges are for handloaders only, but Hornady offers match-grade 6mm and 6.5 Creedmoor ammunition. It's not even worth a discussion, even in a 16in barrel the 6CM is hundreds of fps faster than the 6ARC. The 6mm Creedmoor or 6Creed as some call it, was a natural evolution as with almost any other 6.5mm Creedmoor that was eventually necked down to 6mm for faster muzzle velocities and lower recoil for PRS style racegun competitions. But what does that mean for terminal ballistics? Second, I am fully set up with all components to shoot the 6.5 CM. Hey, Peter. which is also much easier to find than 6 ARC or grendel. So an 6mm ARC @58k psi might get there. With the numbers we use, it appears these cartridges each have their advantages. Even though it has the longest case of the bunch, the .243 Winchester has a 20 degree shoulder, which is not quite as sharp as the 30 degree shoulder shared by the 6mm and 6.5mm Creedmoor cartridges. Makes for a crazy lightweight 6.5 grendel in their Howa carbon stalker Dec 8, 2021 #8 A Anschutz 0 Joined Mar 19, 2017 Messages 137 Location Fairbanks, AK Just playing in GRT, 6ARC would get 2400ish and the 6CM would get 2700ish. Ill also provide some information on how it stacks up next to the .243 Winchester and 6.5 Creedmoor cartridges so you can decide if it fits your needs as a hunter. The 6mm ARC was designed to match specific DOD requirements while fitting in the AR15 platform. Originally dubbed the 6mm HOLE (Hornady-Outdoor Life Express), Snow paired the new cartridge with a custom rifle built by George Gardner of GA Precision in 2009. The same goes for rifles. That is not cast in concrete however and many larger CXP3 animal have been taken with 6mm Creedmoors, but usually either at long range with high-shoulder shots, or close range with headshots, but this is not recommended. 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. If we look at the debate of the 6mm Creedmoor vs 6.5 Creedmoor for PRS shooting and competitions, both have their own merits. Disclosure: Some products are provided by companies as samples or by friends for testing and evaluation. The 6mm ARC delivers comparable performance from a wider assortment of bullets, making it a more versatile choice. Some of the greats are (from left) 6mm BR Norma, 24 Nosler, .243 Winchester, 6mm Remington, and .240 Weatherby Magnum. 6.5 Grendel The 6mm ARC delivers comparable performance from a wider assortment of bullets, making it a more versatile choice. The fact that this was said on such a knowledgeable forum, with no objection by anybody and the first person to mention that such a reamer has been made before by PT&G was in 2010 on that thread. The other big difference between these cartridges is that the 6mm and 6.5mm Creedmoor were both purpose built as competition shooting cartridges and were designed to use the longest and heaviest bullets available for their caliber without intruding into the powder column. I had a 6mm Norma BR built on a Remington 700 and I could not get it to feed from the magazine. From the ballistic standpoint, the .244/6mm Rem. This video or description may contain affiliate links. Looking at the immense popularity of the 6mm Creedmoor in recent years, especially in the PRS racegun and other fieldshoot type competitions, the availability of factory ammo and factory chambered rifles in it, it would appear to be here to stay, with many claiming it displacing the legendary .243 Winchester. Felt recoil will vary from shooter to shooter and rifle to rifle, but free recoil energy is still a useful way to compare cartridges. What the 6mm Creedmoor absolutely excels at though, is those same small to medium CXP2 type animals, but at long range, with consistently expanding high-BC match bullets like the Hornady 108gr ELD-M or the Berger 105gr Hybrid Target. It has served me well in both the NRL and PRS league, and I have taken more than 30 different animals with it successfully. The .243 Winchester only has a maximum SAAMI pressure of 60,000. We have found some 6mm Creedmoor shooters pushing the bullet speeds in excess of 3000 fps to get around 2000 shots out of their barrels, and some have been able to extend that with proper barrel care life letting the 6mm Creedmoor barrel cool between firing strings, and hBN or other coatings on the bullets, or using the Tubb Throat Maintenance System bullets every few hundred shots. If they offered a plus plus P (plus pressure) for bolt action rifles, another 100fps should be in reach. You'll need a new barrel, bolt, and mags. Specifically, those handloads use a 100gr InterLock with a .405 BCand the factory loads use a 90gr Hornady ELD-X (.409 BC) in .243 Winchester to a 103gr Hornady ELD-X (.512 BC) in 6mm Creedmoor, and a 143gr Hornady ELD-X (.625 BC) in 6.5 Creedmoor. The 7mm obviously stands []. So, the Creedmoor has about 17% more energy at the muzzle than the 6mm ARC. Velocity At short to medium distances, the 6mm ARC and the 6.5 Grendel are fairly evenly matched, with a slight advantage going to the 6mm ARC. Book an outstandingAfrica huntingsafari here. 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. 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 The 6mm Creedmoor 108-grain ELD Match is 2,960 fps. 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. The gunsmith would need a 6mm Creedmoor reamer to create a chamber in the barrel for it. Other shooters took notice of how well the rifle and cartridge performed during PRS competitions that year and began ordering 6mm Creedmoor rifles from Gardner. [], What is a 7mm PRC? The 6mm cartridge shoots a 6mm (or .243-inch) bullet while the 6.5 Creedmoor uses a larger 6.5mm (or .264-inch) projectile. The 6mm Creedmoor was also intended for use from the start in semi-automatic rifles like the AR-10 as well as bolt action rifles. It has the perfect blend of power and accuracy, and is capable of taking down even the largest animals with ease. Federal has 6.5 Creedmoor factory-loaded ammo, including the American Eagle 140-grain Match bullet. I just dont think you could fit a 6 creed in an ar15 platform. Lastly, I am . Save my name, email, and website in this browser for the next time I comment. Heres how each cartridge compares directly to the others in general terms. Wild. bullets from the magazine and not be limited to being a single shot. Do you have a rifle chambered in 6mm Creedmoor that you want to take on a hunt? 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. My first concern about possibly switching is the 300ft/lbs lower energy of the 6mm ARC. Required fields are marked *. bullets have more frontal surface area, more resistance to wind drift, and carry more energy down range. Hornady recommends 1:9 twist or faster for its 105-grain A-Max and BTHP Match. The powder capacity isn't even close. The Eagle Eye 6.5 Creedmoor shoots a 130gr hybrid projectile with a .295 G7 at 2,960fps from an average 26" barrel. https://www.hornady.com/assets/site/hornady/files/load-data/6mm-ARC-gas-108-110gr-data.pdf, https://www.hornady.com/assets/site/hornady/files/load-data/6mm-arc-bolt.pdf, Peterson Brass Belted Mag Basic Unprimed Box of 50, .300 Weatherby Mag 170 G Hammer Custom Hollow Review help. Id guess its tied to the myth that bigger cartridges need more barrel length. So, what does this mean? .223 and 5.56 are the same bullet diameter (.224") and basically the same brass. Mag. bullets. Great questions! For those reasons, flat shooting, medium bore, high velocity (up to a point), and mild recoiling cartridges with a long barrel life have a big advantage in these competitions. As with the the 6.5 PRC and the 300 PRC that are already out and have enjoyed large initial success and hype, the PRC in 7mm PRC stands for Precision Rifle Cartridge, and just like its siblings, it is a product of Hornadys cartridge design division. The only place where it was always claimed that the .243 Winchester won the 6mm Creedmoor, was with ammo availability. You must log in or register to reply here. Having a chat with a buddy the other day who insisted that a 16" 6mm ARC would outperform a 16" 6mm Creedmoor using the same bullet (both in bolt guns). The cartridges are otherwise identical up to the shoulder and both cartridges have the same SAAMI maximum pressure of 62,000. That being said, remember that the 6mm Creedmoor only offers a small upgrade in performance over the other two cartridges. Case capacity of the 6mm PPC is about 33 grains of water. A mild recoil also facilitates with spotting misses and taking a rapid follow up shot both at the range and afield. We do deal with a lot of different cartridges and firearms so either he or I could be getting the numbers mixed up. It also has very little recoil, making it a great choice for shooters of all experience levels. It was identical to the .244 but had a different label. Nosler also offers their Trophy Grade hunting ammo in 6mm Creedmoor. The case volume of the 6mm Creedmoor is on average 51.7gr H2O, with a case length of 48.77mm, and for the 243 Winchester of 53.6gr H2O with a case length of 51.94mm. Not much info out there on them. I shot a prs match with that setup back in September. Depending on how much shorter he actually made it, this could be the case as the rare wildcat 244 Mashburn cartridge also had the same rim, also very little tape in the case body, and also featured a 30 degree shoulder, but this again could not be verified other than that claim. No one shooter could tell me what rifle was chambered in what cartridge based on felt recoil. If you dont see something you like below, dont fret too much. JavaScript is disabled. The other 2 was Remington actions ALL with a full bull Bench-Mark barrels 1in 7.5 twist. However, if youre looking to compete at the highest levels, then youll want to choose the caliber that is best suited for your specific needs. 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. If you are looking for a versatile round that can be used for both target shooting and self-defense, the sixmm ARC is a good choice. ELD-X . Once again, the .220 Swift reminds me of a .223 Remington on steroids as the .223 Remington can only maintain 800 ft-lbs of energy out to about 175 yards. Just a quick run through GRT shows the ARC topping out at ~2400 and 6CM around 2700. Makes for a crazy lightweight 6.5 grendel in their Howa carbon stalker. A few years later, Gardner was brainstorming ideas on how to gain an advantage in the new Precision Rifle Series competition (PRS) that was rapidly growing in popularity and remembered the project hed worked on with Snow. I am mainly talking to felt recoil. If you can not see the tyranny of having a gun ban enforced by men with guns Then you fail to understand why the second amendment was written in the first place. 6.8 SPC The 6mm ARC has more match bullet options and is a better long-range performer. https://www.youtube.com/watch?v=1CrwuCyjGbE, HK MR762 Review: A Comprehensive Look at the Upgraded Rifle, Pelican Case Foam Cutting: How to Cut Perfectly Every Time, This div height required for enabling the sticky sidebar, 2022 Yestactical.com We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.

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