NON-UK SALES ONLY OR RE-DEACTIVATION TO CURRENT DEACTIVATION SPECIFICATION - PLEASE CONTACT US FOR FURTHER DETAILS. A very good used Mossberg manufactured (Model 600 AT) 12G shotgun with a 24" ribbed barrel. Fitted with hardwood stocks and marked 'Slugster' on the right of the receiver. In very good used condition with limited service wear to the metalwork and good stocks. UK specification deactivation with fully moving parts, and a working dry fire action.