PPU .300 Blackout 125gr FMJ 20-Round Box PPU .300 Blackout ammunition uses a 125-grain full metal jacket projectile and is supplied in a 20-round box. PPU is the Prvi Partizan brand, and the cartridge, projectile weight and bullet type define this load. Full metal jacket identifies a bullet with a metal jacket around its core. The 125-grain specification is projectile weight, distinct from the weight of a complete cartridge. Each round is a complete .300 Blackout cartridge, and the box contains 20 rounds of this 125-grain FMJ load. Match the cartridge, projectile specification and box quantity when choosing this PPU configuration. Key Features .300 Blackout cartridge: The rifle cartridge. 125-grain bullet: The projectile weight. FMJ projectile: Full metal jacket bullet type. 20-round box: The sale-unit quantity. Specifications Manufacturer: Prvi Partizan / PPU Cartridge: .300 Blackout Bullet weight: 125 grains Bullet type: Full metal jacket Sale unit: One 20-round box Shop the PPU .300 Blackout 125gr FMJ 20-Round Box at BattleHawk Armory.