The PP-Bizon is a submachine gun that uses 9x18 mm Makarov pistol cartridges. It's an improved version of the P90 submachine gun, which has lower recoil and better accuracy than its predecessor. The PP-Bizon is an extremely rare item to find. Exchange your Soul Gems for the StatTrak™ PP-Bizon | Osiris. PP-Bizon is a submachine gun with a medium damage and a high rate of fire. It uses its low recoil to shoot at the opponent's head. The weapon has a very short reload time, which allows you to quickly enter the battle. The skin Osiris was painted by hand with an airbrush. Exchange your Soul Gems for the StatTrak™ PP-Bizon | Osiris.