The Zombie Green Crosman Undead Apocalypse Airsoft AEG Rifle is an AEG-powered rifle that shoots up to 200 feet per second. The Crosman Airsoft Rifle has a removable stock and an over/under quad-rail weaver system for accessory attachments. With an electric power source and a full-auto mechanism action, this Apocalypse Rifle uses 6-millimeter plastic BB's. Featuring a magazine capacity of up to 500 rounds, this Crosman Airsoft Rifle offers more than enough firepower. Practice your aim with the Zombie Green Crosman Undead Apocalypse Airsoft AEG Rifle.