.45 ACP 10rd, ultra thin base pad. Features aircraft grade stainless heat treated tube, fiber-fill nylon self- lubricating follower, maximum tensile strength heavy duty spring, and a removable base pad for easy maintenance. Fits the: Colt Govt Model/Enhanced Govt Model Springfield Armory 1911A1 Military 1911/1911A1 Auto Ordnance 1911A1 Norinco 1911A1 Caspian 1911A1 Wilson 1996A2 Colt Commander/LW Commander Combat Commander 1991A1 Commander Detonics Servicemaster Springfield Armory Champian 1911A1 Champion Mil-Spec Safari Arms Enforcer Colt Gold Cup AMT Hardballer Colt Double Eagle. Please check all local and state laws concerning ownership of firearm magazines before ordering.