High security is fine, high maintenance isn't. Enter the Mossberg 500 Special Purpose. The pump action shotguns you can count on for your security needs. They have the credentials and track record to prove it. The only pump action shotguns ever to pass all stringent U.S. Military MIl-Spec 3443 standards. These guns are dependable an economical. 500 Special Purpose models are available with either full stock, pistol grip, or the full stock with the pistol grip package as described.