Hatsan AirMax - .177cal PCP repeating bullpup rifle. A genuine bullpup with forward-mounted cocking mechanism makes operation easy for all shooters. The ergonomically designed pistol-grip stock is both elegant and functional. A forward mounted accessory rail allows the use of a bipod or light. The elevated optics rail can receive both 11mm dovetail and Picatinny scope mounts. The elevation-adjustable cheek rest can be raised with just the push of a button. A large 400cc air tank provides up to 120 shots per fill.