CROSMAN C05M77X OPTIMUS BREAK, BARREL PELLET AIR RIFLE, HARDWOOD STOCK, .177 CAL, 495FPS495 FPS The NEW Optimus break barrel is both powerful and elegant. It features a handsome, ambidextrous hardwood stock. With a relatively light cocking force and a two stage adjustable trigger the Optimus is built to get the job done with velocities of up to 495 fps. The barrel incorporates a micro adjustable rear sight and fiber optic front sight. Also equipped is a CenterPoint, 4x32mm precision scope. Power Source Spring Velocity (fps) 495 Caliber