The Remington T-Rex Scavenger is a Gas Ram Break Barrel Full Power Air Rifle that comes complete with a 4x32 Scope and Mounts. The rifle also has Fibre Optic Open Sight For if you don't wish to use the scop, and Manual Flick Forward to fire Safety Catch. The Maximum Velocity is 12 ft/lb (Approx 800 feet per Second)