PPU Blank Centerfire Rifle Ammunition includes several different options of blank ammo based on the needed caliber and design. PPU has experience producing blank ammunition for the military and the resulting range of blanks was developed to meet the needs of all consumers. The blank ammunition includes brass cases as well as standard primers which are Boxer type. The PPU blank rifle ammunition available is the same or similar to those used for practice salute fire and even within the film industry. There are over a dozen types of blanks to select from allowing shooters to find the correct option for their rifle.