PPU Rifle Ammunition Features PPU manufactures these 7.62x39mm blank cartridges with a full-cased design meaning the case carries an extended shape similar to a loaded round rather than a simple crimped or shortened case. This full-case construction is chosen specifically to provide reliable functioning across many different types of weapons an important consideration for training environments where consistent cycling matters. The brass case material offers dependable extraction and ejection characteristics matching the performance shooters expect from standard PPU ammunition. Because these are true blanks with no projectile they are suited specifically to training and simulation applications rather than any form of live-fire use. A correctly sized blank firing adapter must be installed on the host firearm to ensure the action cycles properly in semi-automatic or fully automatic operation since the reduced pressure of a blank round alone is often insufficient to cycle a standard action. This makes these rounds a popular choice for military and law enforcement training scenarios historical reenactments and ceremonial salutes where realistic report and action cycling are desired without any live projectile. Packed 20 rounds to a box the blanks are convenient for organizing training sessions or events. For training coordinators and reenactors needing dependable 7.62x39mm blank ammunition PPU s full-cased blank is available for sale at GrabAGun. PPU Rifle Ammunition Specifications Manufacturer: PPU Caliber: 7.62x39mm Rounds Per Box: 20 Shell Type: Blank Application: Training Case Material: Brass Primer: Boxer Country Of Origin: Serbia Bullet Type: Blank Available At: GrabAGun