Crosman Incursion Nitro Piston Air rifle has a lightweight frame, a compact size and a shorter barrel with tactical gray all weather stock accented with black rubber. It is powered with a patented Nitro Piston technology and includes a 4x32 riflescope. It is a 177 caliber and the velocity is up to 1200 feet per second with an alloy pellet. It has 18 pounds of energy (FPE).