.177 cal. Air Pistol and Target Set. Features: Fiber Optic sight; Cocking Slide; Cocking latch; Target and Stand; Made in China; 18 Shot BB Repeater also shoots Pellets and darts Single shot. Specifications: Action: BB Repeater. Ammo; Steel BBs. Caliber: .177 caliber (4.5 mm). Overall length: 10" (25.4 cm). Weight: 1.1lbs. (.5 Kg). Velocity: 250 fps with BBs.