The KWC Makarov 4.5 mm CO? air pistol is a BB air pistol manufactured by KWC and based on the Makarov PM design. It is constructed mostly from metal, giving it a realistic weight and feel, and weighs approximately 1.6 pounds (737 grams). The pistol features a 3-inch smoothbore barrel and is powered by a single CO? cartridge. It operates in semi-automatic mode with single-action only functionality and uses 4.5 mm steel BBs with a 15-round magazine capacity. The kit includes the air pistol, magazine, an Allen key, 100 BBs, and a user manual.