The Real Action Marker Walther PPQ M2 T4E paintball pistol is .43 caliber, it is the latest generation of high-end training and marking system used by law enforcement as well as the military for training purposes. In design and handling, the PPQ M2 T4E is very similar to the Walther PPQ M2. The Walther PPQ M2 T4E is powered by a 12g CO2 cylinder housed in the magazine, each cylinder can be loaded approximately to 3 times (24 shots) Walther PPQ M2 T4E Paintball Pistol is equipped with a pneumatic blow-back system to shoot paintball, rubberballs, powder balls Highlights: Caliber .43cal (11.1 mm) /Paintball/Rubberball/ System: Co2 Magazine Capacity: 8 shots Energy: 4-5joules Length: 7 inches/180mm Weight: 1.2lbs/532g Function: Safe/Semi