Cartridges manufactured by Federal Cartridge Company contained 25 flechettes. RPC/12 propellant charge in a brass cartridge. Consists of a projectile, a propellant cartridge and primer or igniter tube. Winchester Magnum is a belted, bottlenecked rifle cartridge. It was the first rimfire metallic cartridge. The available power is comparable to a modern .380 pistol cartridge. The .50 Beowulf is a proprietary caliber developed as a specialized cartridge. It is notable for being the smallest centerfire cartridge ever produced. Norma Magnum as their new Advanced Sniper Rifle Cartridge (2016). Rifles produced for this cartridge usually weighed under . Winchester based cartridge with a .22 Hornet blank cartridge in place of the primer. It has better ballistic performance than the standard .303 British cartridge. There is nothing different about the tape medium in a WORM cartridge. These devices create a backup of a cartridge. Lapua Magnum's maximum cartridge overall length.