These .45 ACP 8 round magazines have extended .625" base pads that are removable for easy maintenance. They feature an aircraft grade stainless heat treated tube, fiber-fill nylon self lubricating follower, and maximum tensile strength heavy duty springs. No other .45 magazine can compare for proven inherent reliability, durability and the ability to remain fully loaded for long periods of time without damage. Fits the: Colt Govt. Model Enhanced Model Springfield Armory 1911 A1 Military 1911/1911 A1 Auto Ordnance 1911 A1 Norinco 1911 A1 Caspian 1911 A1 Wilson 1996 A2 Colt Commander LW Commander Combat Commander 1991 A1 Commander Detonics Servicemaster Springfield Armory Champion 1911 A1 Champion Mil-Spec Safari Arms Matchmaster Colt Gold Cup AMT Hardballer Colt Double Eagle Please check all local and state laws concerning ownership of firearm magazines before ordering.