The Crosman Full Auto A4-P BB air pistol redefines recreational backyard fun! Fueled by two 12-gram CO cartridges housed in the 25-round magazine, these air pistols sling BBs at a blistering 400 fps with an intense 1400 round per minute rate of fire! The dual action selector lets you choose between semi and full auto capability and features a quad accessory rail and removable red dot sight. This pistol has it all, get ready to experience the fun that only a full auto BB gun can provide!