.30 Remington AR

Rifle cartridge the 1906 vintage rimless cartridge .30 Remington .30 RAR (.30 Remington AR) RAR+223 side.jpg 200px Size comparison with .223 United States Rifle, Centerfire 2008 Remington 2008–present .284 Winchester Rimless, bottleneck .500 .492 .054 1.53 2.26 44 1:10 Large rifle 55000 125 Corelokt 2800 2176 125 AccuTip BT 2800 2176 24 http://accurateshooter.wordpress.com/2008/10/15/remington-introduces-new-30-remington-ar-cartridge/ The .30 Remington AR is an intermediate cartridge created in 2008 by Remington Arms to fill a perceived gap in performance on large game between the .223 Remington and larger cartridges such as the .308 Winchester.Nischalke, Mike "The R-15 And The .30 RAR", Shooting Times, Online Article, accessed 13 January 2010 The design of the cartridge is considered a joint effort between companies under the "Freedom Group" name through a private equity firm and included such companies as Bushmaster, DPMS and Remington itself. It is a rebated rim cartridge designed to fit Remington's R-15 semiautomatic hunting rifle. It was made to fit the dimensional constraints of the AR-15 magazine and is based on a modification of the .450 Bushmaster, which in turn is based on the .284 Winchester.Sweeney Patrick The Gun Digest Book of The AR-15 https://books.google.com/books?id=ywqWgSSn2KIC&pg=PA174 2010 Gun Digest Books Iola, Wisconsin 978-1-4402-1622-0 174–175 Remington was the only company that manufactured this ammunition and its components.Mann Richard A. GunDigest Shooter's Guide to the AR-15 https://books.google.com/books?id=MQw5AwAAQBAJ&pg=PA67 2014 Krause Publications Iola, Wisconsin 978-1-4402-3847-5 66–67 The cartridge was a commercial failure and has been discontinued by Remington.March 2025 thumb|200px|The .30 Remington AR cartridge has a significantly wider diameter than the .223 Remington Design Starting with a .450 Bushmaster case, Remington trimmed the length to 1.525 in from the original 1.7 and necked it down to accept a conical .308 in diameter bullet with a 25-degree shoulder.Woodard W. Todd Cartridges of the World: A Complete and Illustrated Reference for Over 1500 Cartridges https://books.google.com/books?id=wocFDQAAQBAJ&pg=PA118 2016 F+W Media, Inc. Iola, wisconsin 978-1-4402-4642-5 118 The rim size is .492 in and because the round generates 55,000 psi, Remington opted to use a .308 rifle bolt in a 5.56-sized rifle for increased case support. The rim was widened from the .473 in of the parent case to prevent the use of a weaker .450 Bushmaster bolt with this cartridge. With a 150 grain bullet, the round travels at 2,575 feet per second (fps).Zwoll Wayne van Gun Digest Shooter's Guide to Rifles https://books.google.com/books?id=l1-WPfR16qQC&pg=PA124 29 November 2012 Gun Digest Books Iola, Wisconsin 978-1-4402-3076-9 124 Performance Performance tests between the .30 RAR and the .308 Winchester show that while the .30 RAR does have a good muzzle velocity, the energy it is capable of delivering on target at around 400 yards decreases significantly.Accurate Shooter Bulletin http://accurateshooter.wordpress.com/2008/10/15/remington-introduces-new-30-remington-ar-cartridge Remington Introduces new Remington 30 AR Cartridge 2008 13 January 2010 Combined with the poorer ballistic coefficients of the lighter projectiles (.267 for the 125-grain Core-Lokt), this makes the .30 RAR a cartridge suited to ranges around 300 to 400 yards, although this can be extended with projectiles of higher ballistic coefficient (.341 for the Speer TNT 125 grain).August 2021 A side effect of the short, wide case is that the Remington R-15 rifle, which was designed alongside the cartridge, uses a four-round, single-stack magazine. See also List of rifle cartridges Table of handgun and rifle cartridges References External links Review of the Remington R-15 VTR Remington Official Site Category:Pistol and rifle cartridges Category:Remington Arms cartridges