Deactivated Winchester 1300 Defender 12 Gauge Pump Action Shotgun in excellent deactivated condition with full working, strippable action and 18 inch barrel. The Winchester 1200/ 1300 was introduced in 1965 and was one of several designs passed fit for service in Vietnam. Since then, they have been adopted by many police departments and it remains in production to this day. It has even been adopted by the Czech armed forces. All deactivated weapons sold by D and B Militaria are deactivated in the United Kingdom and hold London or Birmingham proof marks and a certificate stating that the weapon has been deactivated correctly and is legal within the U.K.