CO2 pistol CP99 by Walther in caliber 4.5 mm Diabolo. The muzzle energy of the projectiles is about 3.5 Joules, the propulsion is provided by a refillable gas cartridge in the grip.
CO2 pistol CP99 by Walther in caliber 4.5 mm Diabolo. The muzzle energy of the projectiles is about 3.5 Joules, the propulsion is provided by a refillable gas cartridge in the grip.