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The 6.8mm Remington Special Purpose Cartridge (6.8 SPC, 6.8 SPC II or 6.8×43mm) is a rimless bottlenecked intermediate rifle cartridge that was developed by Remington Arms in collaboration with members of the U.S. Army Marksmanship Unit and United States Special Operations Command [6] to possibly replace the 5.56 NATO cartridge in short barreled rifles (SBR) and carbines.
The .308 × 1.5" Barnes, a wildcat from noted cartridge author Frank Barnes made by simply necking a .308 Winchester back to 1.5 inches (38 mm) in length (38.1 mm) is probably the best example of a wildcat that has spawned many other successful wildcats. The .308 x 1.5" case is available from a number of case manufacturers and differs from a ...
Once popular with European hunters in Africa and India. Approaches .375 H&H power with top loads. 11mm Gras: 1874 France R 11×59mmR 1493 [3] 1903 [3] 2.549 78 [3] 0.445 [3] 59mm The first French brass cartridge for military use. Black powder. [3] Replaced by 8mm Lebel. [3] 11×60mm Mauser: 1871 Germany R 11×60mmR 1430 [3] 2013 [8] 2.815 77 [3 ...
The rebated rim dimensions exactly match the 6.8mm Remington SPC case, allowing the use of the 6.8mm SPC bolt-face of an AR-15, but the case has a base diameter of .4400" and cannot be reformed from any other existing case. The 400 LGND uses .4005" jacketed rifle bullets. 450 Bushmaster : Uses .284 Winchester cases. Cut the length to 1.700" to ...
The smaller case of the .277 Wolverine (compared to the 6.8 SPC) is more efficient and has less recoil due to its smaller propellant load. With lighter bullets in the 80-90 gr range (5.2-5.8 g), the velocities were slightly slower than typical 5.56×45mm rounds, but the .277 Wolverine provided substantially increased energy due to greater ...
8.6mm Blackout (8.6×43 mm), sometimes referred to as 8.6 BLK, [1] is a centerfire rifle cartridge developed by the firearms manufacturer Q, LLC. [6] It utilizes a shortened case from the 6.5mm Creedmoor necked up to an 8.6 mm caliber (8.585 mm or 0.338 in diameter) projectile. 8.6 Blackout is designed for use in bolt-action rifles or as a caliber conversion for AR-10 style rifles.
.35 Winchester Self-Loading.350 Legend.350 Remington Magnum.350 Rigby.351 Winchester Self-Loading.356 Winchester.357 Magnum.358 Norma Magnum.358 Winchester.360 Buckhammer.360 No 2 Nitro Express.360 No 5 Rook.369 Nitro Express.375 CheyTac.375 Dakota.375 Flanged Nitro Express.375 H&H Magnum.375 Remington Ultra Magnum.375 Ruger.375 SOCOM.375 SWISS P
The designation of M468 stands for an M4 carbine chambered for the 6.8mm SPC cartridge. It was an attempt to create an optimal Special Operations close-to-medium range carbine for Close Quarter Battle (CQB). A 12-inch barreled micro-carbine and 16-inch barreled carbine version were created. Barrett ceased manufacturing the rifle in 2010. [4]