Since this article is focused on the performance of these cartridges for hunting, I didnt include any ballistic data past 500 yards in the table above. So, what does this mean? That's borne out by current factory ammo specs showing the 6mm Rem. Bill, Appreciate your input. It is also about the same size as a BB pellet. It features reinforced construction and stronger materials throughout, which should help it withstand the rigors of tournament play. The 6mm Creedmoor and it's smaller siblings like the 6mm Dasher, BR, and BRX offer all kinds of options to shooters. John Snows article for Outdoor Life was used as a reference for the history of the 6mm Creedmoor. This helps us keep this site going, and does not affect the price you would pay usually in any way whatsoever. Interestingly, there is a surprisingly good selection of factory loaded 6mm Creedmoor ammunition these days. This was basically a 6 arc. It is also much harder to control on full-automatic. Required fields are marked *. It has served me well in both the NRL and PRS league, and I have taken more than 30 different animals with it successfully. Heres a quick rundown of the pros and cons of each caliber: A six millimeter ARC is the size of a pencil eraser. 18 Bartlein with a Manners CS2 stock. 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. However, if you are looking for a round that is specifically designed for self-defense, you may want to consider something else. Before we get started, I have an administrative note: Some of the links below are affiliate links. Hornady's new 6mm ARC was designed for a specific military requirement; the 108-gr. He eventually decided to use a 6.5 Creedmoor case necked down to shoot 6mm bullets in an attempt to build a new cartridge with even less recoil than the parent cartridge, but still capable of outstanding accuracy at 1,000 yards. But what does that mean for terminal ballistics? 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. Team Hornadayis the master, bar none. It had a 2.23-inch case length, a .243-inch pointed soft point bullet diameter, and muzzle energy of 2,788J. Read More . A large volume of slow burning powder takes more barrel to burn. Been doing a little more experimenting 6mm ARC Complete Upper 20" SS Barrel and 6mm Reloading EVERYTHING! It would also be nice if it's a platform that allows me to relatively swap barrels on my ownthe actions that can take Savage/Remage barrel nuts is high in my consideration. Wait til after hunting season? August 20, 2020 By Steve Gash. In general, the bigger the bullet, the better it will perform on game animals. The 6mm Creedmoor can be seen as the replacement for the .243 Winchester, so all the animals that was generally considered fine to be hunter with it, the 6mm Creedmoor can be used to hunt with just as well. This is reflected in the prices, availability, and variety of factory ammunition and hunting rifles currently in production for each cartridge. The biggest advantage of the 6mm ARC is its extremely high ballistic coefficient (BC). This makes it an excellent choice for long-range shooting, as it will maintain its velocity and energy over long distances. Overall a superb if not one of the best PRS and racegun competition cartridges. This video or description may contain affiliate links. The 6mm Advanced Rifle Cartridge (ARC) is a new cartridge by Hornady in 2020. The 6mm ARC also performs better in wind. However a 300WM will always beat a 308 given the same barrel length. Find the perfect load for your rifle and shoot accurately. So while we cant say for sure how long the new ARC will last, we think it has a good chance of becoming a staple in the world of competitive gaming. Available components is why the 6mm ARC makes sense, well that was the theory prior to Covid. A mild recoil also facilitates with spotting misses and taking a rapid follow up shot both at the range and afield. Only time will tell for sure, but we think the new ARC has a good chance of becoming a mainstay in the world of competitive gaming. 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 6.5mm Creedmoor isnt a heavy recoiling magnum by any stretch of the imagination, but the .243 Winchester and 6mm Creedmoor have the edge in this respect. 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. Unfortunately, were not living in normal times as I write this in September 2021. But for some odd reason I would still like to build a 6 ARC from a rebarreled 6.5 gendel ruger american. The 6mm Creedmoorin the same fashion of its larger counterpartfits those bullets very well. PS - If anyone needs a box of 6mm Creedmoor 105 gr BTHP Hornady BLACK, 20 rounds, and lives in Southeast Michigan, send me a PM, I'll give ya a good deal Click to expand. The 6.5 Creedmoor is slightly larger and more powerful than the other two cartridges. I know there is detachable mags designed for better feeding the short case. HunterMann Well-Known Member LRH Team Member Joined Jan 18, 2021 It can accomodate the newer, longer and heavier 6mm bullets that offer good ballistic coefficients, whilst still shooting them a fast muzzle velocities without too much recoil. Like I do with my semi's, rifle & pistol, parts availability, large aftermarket support and readily available reloading components/ammo will need to factor into whatever I decide on. You can boost the performance of the 6mm ARC in a bolt action quite easily. 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. Cal September 2, 2019 Ammo & Handloading, Brass, Bullets, Load Development, Powder, Primers, What The Pros Use 45. 100-grain load exiting at 3,100 fps, and the .243 Win. Your email address will not be published. Hornady recommends 1:9 twist or faster for its 105-grain A-Max and BTHP Match. Barrel life variable depend on your rifle, barrel, load, velocity and bullet. Apple|Google|iHeart|Spotify|Stitcher. It may not display this or other websites correctly. It's not even worth a discussion, even in a 16in barrel the 6CM is hundreds of fps faster than the 6ARC. Coming out of the muzzle, it maintains speeds around 2,750 to 2,800 fps. With just a minuscule .8 separating them, the two Creedmoor cartridges have almost an identical amount of wind drift. 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. If youre just getting started in long-range shooting, then either of these calibers would be a great choice. There are a lot of opinions out there on which rifle caliber is better, but it really depends on what youre looking for. The cartridge is also well suited for handloaders and since it uses the same .243 bullets as 6mm cartridges like the .243 Winchester, the 6x47mm Lapua, the 6XC, and the .240 Weatherby Magnum, there are a variety of great .243 bullets currently available. This will give you a good, safe starting minimum load to work upwards from. You are using an out of date browser. THANK YOU. Recoil vs cartridge study over the past year and findings. ELD-X . 22-250 vs 223 vs 204 RUGER vs 220 SWIFT: CLASH OF THE SPEED DEMONS. Make sure you subscribe toThe Big Game Hunting Podcastand follow The Big Game Hunting Blog onFacebook,Instagram,Twitter, andYouTube. In addition to Hornady, Barnes, Federal, Nosler, and Remington all currently produce 6mm Creedmoor factory ammo. Accuracy wise, Id say flip a coin. Unlike its bigger brother the 6.5 Creedmoor, there arent many options for factory 6mm Creedmoor hunting ammo right now. Another factor to consider is the current state of the competitive gaming scene. 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 6mm ARC came in second place with an effective distance of 550 yards. Feel free to reach out to us or read our affiliate disclosure and privacy policy. The size of the bullet, or caliber, is one factor that determines how much stopping power it has. 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. Also thanks to the 30 degree shoulder on the 6mm Creedmoor, compared to the 20 degree shoulder of the 243 Win, means that the brass does not expand and lengthen upon firing in the 6mm Creedmoor like on the 243 Winchester, so you have longer brass life before case head separation happens, and also the 6mm Creedmoor barrel is not burned out as fast as the steeped shoulder angle means the junction of the burn is further from the throat of the barrel chamber. For these shots, high shoulder is recommended. You can push a 6mm arc a little harder than the factory offerings in a bolt gun, and in fact, the hornady reloading manual has two separate sections for loading the 6mm arc, (gas gun/bolt gun) based on maximum pressures of 55k, and 63k, (if my memory serves), but even at the 63k, it lags well behind the 6mm creedmoor. 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. These shooters we poled shot bench rest, PRS, F-Class and simi auto class. bullets. The competition is timed, so first round hits are ideal, but theres more to these competitions than small shot groups. I had always been told you need a certain length barrel for certain calibers. This data is for Hornady handloads and HornadyPrecision Hunter factory ammo using a 200 yard zero and a 24 barrel. Great questions! At 1,000 yards, the 6mm Creedmoor drifts about a foot more than the 6 . This is especially true when relative availability of the 2 cartridges during the ongoing ammo shortage are taken into account. On the other hand, 6mm Creedmoor rifles usually have a faster rifling twist (1:7.7 in the case of the Ruger Precision Rifle), so the cartridge is commonly available with 103 grain, 105 grain, 107 grain, 108 grain, and 112 grain bullets. An excellent choice of6mm Creedmoor ammo for hunting deer and pronghorn, the LRX BT still offers effective terminal performance and the deep penetration on larger game thats essential when elk and red stag hunting. 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. This restriction is made under protest, but we have to do this to comply with Californias infringement on the freedoms of speech and association of the NRA and our members, supporters, and the general public. By the numbers, the 6mm ARC case head measures 0.440, just 0.005 smaller than a 7.6339 case. Case capacity of the 6mm ARC is 34 grains. It also has a relatively low muzzle velocity, so it is not as effective at long range as some other calibers. Definitely not worth arguing. For 75gr and lighter competition and varmint bullets, a 1-10 twist rate would be fine. 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. Ballistics are very similar for the 6mm Creedmoor and .243 Winchester inside 500 yards, but the 6mm Creedmoor is much better suited for longer range shots since it can use those more aerodynamic bullets. It can be used for everything from target shooting to hunting, and its also relatively inexpensive to reload. The only place where it was always claimed that the .243 Winchester won the 6mm Creedmoor, was with ammo availability. Compared to 5.56 NATO, the 6mm ARC offers substantially less drop and wind deflection and provides the ability to shoot much more accurately at longer distances. All in MPA BA chassis.To my knowledge, no one has conducted a study like this. The 6.5 Creedmoor shoots 6.5mm/.264 class projectiles while the 6mm Creedmoor is necked down to shoot 6mm/.243. That hornady chart looks to line up exactly where my numbers are. I have spent a lot of time in this rabbit hole. The larger the caliber, the more stopping power it will have. .5.56 is generally loaded to higher pressure than .223. 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.
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