What is pp19 bizon magazine?

The PP-19 Bizon magazine is a detachable box magazine designed for use in the PP-19 Bizon submachine gun. It typically holds 64 rounds of 9x18mm Makarov ammunition, although some variations may hold different quantities of rounds. The magazine is made of steel and is designed to be durable and reliable. It is inserted into the bottom of the weapon, and the weapon is then cocked and ready to fire. The PP-19 Bizon is widely used in Russian military and law enforcement units, as well as by some civilian shooters.