The 6mm Remington rifle cartridge, originally introduced in 1955 by Remington Arms Company as the .244 Remington, is based on a necked down .257 Roberts cartridge (itself a necked-down 7×57mm Mauser) using a .24/6mm bullet.Known for a combination of high velocity, long range, flat trajectory, and accuracy, it is suitable as a dual use hunting cartridge for both medium-sized big game and varmints. Please note, the following information reflects the estimated average ballistics for each caliber and does not pertain to … The .243 Winchester (left) and .244 Remington were both introduced in 1955. Thread starter Sooner04; Start date Aug 8, 2006; Sooner04. Look at history and some of the darlings of the day like the 6MM Remington, 256 Winchester, 22 Jet, 17 HM2. Click on a term to search for related topics. The .24/6mm tribe has become large, versatile, and popular. I haven't even got dies for it yet, just a box of factory match ammo, 108 gr Hornady. Length refers to the cartridge case length; OAL refers to the overall length of the cartridge; Measurements are in millimeters then inches, i.e. As a kid I my first bolt rifle was a Remington Model 7, 6mm Remington which I still have and use on occasion. Not familiar with 6x284 but a 6.5x284 has a reputation as a barrel burner (depnding on ones accuracy requirements). I've been loading for and hunting with a 6mm Remington since the mid 1970's. You might also want to look into 6mm Rem. Readers interested in more information about the 6mm PPC and 6mm BR, .243 Winchester, 6mm Remington, 6x62 Freres and 6x62R, .243 WSSM, and .240 Weatherby Magnum will find articles about these cartridges on the Rifle Cartridge Page. This article lists firearm cartridges which have a bullet caliber between 6 millimetres (0.236 in) and 6.99 millimetres (0.275 in).. Ultimately fell to the 243 Winchester They have the same case rim diameter, so the same action bolt face dia will work with both, but rechambering is required to convert from one to the other. The 6mm ARC will need wide spread use to prove its potential as an effective long range round (500 meters). In comparison to the .243 Win, factory loads for the .244/6mm Remington are slightly more powerful while hand loads increase this margin further.” Was the .244 Remington Actually Better than the .243 Winchester? (aka “TheBlueEyedBear”) Late in 2009 I decided I wanted to build a new long range varmint rifle for the 2010 season. The following ammunition cartridge ballistics information and chart can be used to approximately compare .22-250 Remington vs .243 Winchester ammo rounds. The bullet is the same as the .243 Winchester. and the ill-fated .243 WSSM — as well … My first knee-jerk reaction was to go with the perennial choices of the 6mm Remington Ackley Improved (6mm Rem AI) or the .243 Winchester Ackley Improved (.243 AI). Shooter's Guide for .243 Winchester and 6mm .243 Win shooting, reloading, and accuracy. The .243 is also being chambered in new guns, where if you have a 6mm, it is or soon will be an antique. Don't shoot max charges and wait 30-60 seconds between shots. I don't have any experience with a .243 AI, but my cousin has a 6mm Remington built on a Remington 700 long action with a 26.5" Shilen Match 1-8 twist barrel that he bought off a shooting buddy. What ever you shoot with it aint going to know the difference in a 6mm vs 243. Though the differences between them (.243 vs 308 vs 7mm-08) are significant in many respects, they’re all suitable for a pretty big range of hunting tasks. In this cartridge comparison, we are going to take a look at the 6.5 Creedmoor vs .243 Winchester. The increased capacity, 57mm vs 51mm case length, gives the 6mm Rem an edge to hand loaders who load to actual capabilities. Factory loaded matchgrade 243 or 260 ammo is scarce, so I don't think you'll find component or ammo availability to be better for the 243. And it is. I don't buy the marginal lable many put to the 243 because of the major damage I have seen it produce on deer sized game. He pushes 105-107s at 3150fps with H1000. Lastly, if you want to consider a 6mm, you might also look into the 6mm Competition Match, the 6mm Creedmoor, the 6mm x 47, and the 6mm XC. Hunting applications: Varmint hunters will typically go for .223, .22-250, .17hmr, etc over the .243 or 6mm due to range, but the 6mm can compete at extreme ranges (250+yards). The 24 Nosler comes to mind and the 22 Nosler is pretty rare in the wild. The 6mm Rem is a necked down 7mm Mauser (7x57). Not that it's not out there but try to find a factory offering at a shop. This really adds up at longer ranges. the 6mm/244 Remington originally came out w/ a slow [12] twist which would not stabilize the heavier bullets that the faster 243 [10] twist could. It shoots the same bullets as .243 Win, but is capable of higher velocities due to the higher case capacity, all else being equal (rifle, bullet weight, etc). I consider the 6mm Rem to be the Rem copy of the 243. These killed off a great many older rifle cartridges from days of old, but the .243 … The .243 Winchester uses the same 6mm/.243″ bullet size as the 6mm Remington, the .240 Weatherby Magnum, and the 6mm Creedmoor. August 20, 2020 By Steve Gash Only a few metric calibers have been really popular in the United States—6.5mm and 7mm—so the “Great 6mms” are relatively few in … Can you fire a 6mm rem round from a platform chambered for .243, or fire a .243 from a platform chambered for 6mm rem. Both push the same amount of hot gas down a 6mm bore. So the 6mm Rem has a bit more steam, but not enough to make a noticeable difference on game wounds, and only on holdover way out at unusable shooting distances. This will increase barrel life. 6mm SUPER LR (2010 project) by Barry O. The .244 Remington (aka “6mm Remington”) has a velocity advantage over the .243 Winchester due to a slightly larger case capacity. AccurateShooter.com is the best guide for precision shooting, with FAQ, Shooter Message Boards, Reader Polls, and Photo Gallery. 243 Win vs 6mm Creedmoor vs 6mm Rem; Download our Android App! Remington’s 1955 answer to long range varmint hunting. Both are 6mm and 243 burn the same amount and same types of powder so the barrel life should be the same. While the .243 Winchester gets the nod, and will continue to do so, I wouldn’t turn down a rifle chambered for 6mm Remington, or even for the slower twist .244 Remington. Also shown is the results of using a longer magazine custom rifle for the .244/6mm and the effects of hand loaded bullets, seated out long to increase powder capacity. But the .260 Remington is better because it fires a much heavier bullet (140-grain vs. 100-grain). The 6mm Remington is based on the Mauser case, which is a tad larger than the 308 Win case the 243 Winchester is based on. I'm thinking of a long range 6mm build, and am having a hard time deciding between 6mm Rem and .243 Win. The table above shows comparisons between the .243 and .244/6mm in both 22 and 24” barrels. The Remington round had a slight ballistic edge over the .243 Win., and a brief war for 6mm dominance ensued, but the .243 prevailed. Squeeze it to .243 caliber and you have the .243 Winchester, a cartridge many extol as ideal for young shooters and small-framed, recoil-sensitive shooters. .308 is ubiquitous and accurate and efficient - but the best .260 Remington (6.5mm-08) and .243 (6mm-08) bullets fly "better" past about 700 yards, making long shot placement easier. The 6mm is about 100 fps faster with a given bullet. Less than an inch difference in drop and drift gives it the win. Both calibers are hard on barrels. 6mm remington vs 243 winchester, 6mm vs 244, 6mm vs 6mm ackley, re remington to 243 winchester, remington 6mm fire winchester 243, what model 243 rifle does george gardner use. The 243 Winchester versus 7mm-08 Remington race is won by the 243, but not by much. mm (in) -A 6mm Remington & 243 Winchester will work in S/A. Rifles and gear reveiws from champions. The 6mm is a long action cartridge VS short action like the 243 so the gun will likely be a tad bit heavier due to the longer reciever. 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