Colt 1912 Combat Officer .45 ACP 7 Rounds Pistol Magazine Stainless w/Bumper Steel 7. With a 7-round capacity this .45 ACP magazine is constructed from durable stainless steel and includes a base bumper for added protection and faster reloads. Perfect for carry or range use it maintains Colts standard of reliability and precision. Specifications for Colt 1911 Combat Officer .45 ACP 7 Rounds Pistol Magazine Stainless w/Bumper: Manufacturer: Colt Gun Make: Colt Gun Model: Colt 1911 Caliber: .45 ACP Magazine Capacity: 7 Round Color: Steel Features of Colt 1911 Combat Officer .45 ACP 7 Rounds Pistol Magazine Stainless w/Bumper Integrated bumper for durability and reload assistance Compact design for Officer-sized frames Reliable feeding and consistent function Package Contents: Colt 1911 Combat Officer .45 ACP 7 Rounds Pistol Magazine Stainless w/Bumper What firearm models does the manufacturer say Colt 1911 Combat Officer .45 ACP 7 Rounds Pistol Magazine Stainless w/Bumper is compatible with? The manufacturer says that Colt 1911 Combat Officer .45 ACP 7 Rounds Pistol Magazine Stainless w/Bumper is compatible with Colt 1911Colt SP300797-RP: 1912 Combat Officer .45 ACP 7 Rounds Pistol Magazine Stainless w/Bumper Steel