Parabellum) Feed system 64-round helical magazine (9x18mm Makarov) 53-round helical magazine (9x19mm Parabellum) (Bizon-2-01) Sights Hooded front post, rear flip-up notc   The PP-19 Bizon (" Bison ") is a 9mm submachine gun developed in the early 1990s at Izhmash by a team of engineers headed by Victor Kalashnikov (son of famed