Single Stroke, Spring-Fed Air Pistol. A triple dip of airgun action: shoots BBs, pellets or darts. Easy to cock, fun to use, with a unique interlocking safety system. This is a safe beginners airgun at a price anyone can afford. Model: 972BV Mechanism: BB Repeater Single shot pellet/dart Power Source: Spring powered Caliber: .177 Ammunition: BBs, pellets, darts Velocity: BB-Up to 270 fps Pellet-Up to 245 fps Dart-Up to 185 fps Weight: 15 oz. Length: 10.75 in. Material: Barrel: Rifled Steel Grip/Frame: Synthetic Rifling: Yes Sights: Front: Fixed Rear: Adjustable