The P90 is a Belgian machine pistol manufactured by FN Herstal. This weapon comes with a silencer, which not only provides soundproofing, but also reduces recoil. It was spray-painted in the style of the helicopter. Exchange your Soul Gems for the P90 | Chopper. Counter-Strike: Global Offensive is another part of the game series called Counter-Strike. P90 is a submachine gun that is often used by players. It has a magazine of 50 rounds, which means that it can be fired for longer periods of time without having to reload. The weapon was painted with a theme of helicopters. Exchange your Soul Gems for the P90 Chopper .