With the popularity of subsonic ammunition we are proud to present the PPU Subsonic Line. The Subsonic Line ammunition is manufactured to strict quality production standards and will exceed all expectations. Subsonic ammunition has been in use by military, law enforcement, and training because of its lower noise and lower recoil benefits. Give it a try yourself and experience the benefits firsthand and see why subsonic ammunition is gaining popularity with shooters.Since 1928, Prvi Partizan has been producing custom ammunition in Serbia for competition, indoor ranges and big game hunting. Full metal jacket loads are non-expanding rounds that were designed for target shooting. This ammunition is new product, non-corrosive, in boxer primed, reloadable brass cases. Note: Subsonic ammunition is engineered for firearms designed to function with reduced cartridge velocity and pressure. Therefore, not all semi-auto firearms will function properly, such as those that require higher cartridg...