Get some double-tough BB action powered by CO2. Packed with a bonus Picatinny rail on top and a built-in Picatinny rail on the bottom, this air pistol is ready to be loaded with optical accessories. Its built-in magazine holds 15 BBs and the grip plates slide back to reveal the 12g CO2 compartment. This is a lightweight and affordable BB air pistol that’s great fun. Barrel length: 4.7". Overall length: 8.3".