Diana P-Five Air Pistol Breakbarrel Action Spring-piston power plant Single shot Uses .177 caliber pellets Rifled barrel Max. velocity: 400 FPS (lead pellets) Max. energy: 1.5 FPE Textured grip Fixed front sight Windage and elevation adjustable rear sight Milled 11mm dovetail optics rail Manual safety Barrel length: 8.7" Overall length: 15" Weight: 2 lbs.