Springfield Armory 911 Magazine .380 ACP 7 Round Stainless Steel Finish w/ Pinky Extension 7RD. Specifications for Springfield Armory 911 .380 ACP 7 Round Magazine: Manufacturer: Springfield Armory Gun Make: Springfield Armory Colt Gun Model: 1911 Caliber: .380 ACP Magazine Capacity: 7 Round Color: Black Finish: Stainless Fabric/Material: Stainless Steel Package Contents: Springfield Armory 911 .380 ACP 7 Round Magazine The Springfield Armory 911 380 Automatic Colt Pistol (ACP) 7 Round 911 is a quality addition to the Springfield Armory USA lineup. For more great deals on 1911 Pistol Magazines by Springfield Armory USA please browse our Springfield Armory Magazines page. What firearm models does the manufacturer say Springfield Armory 911 .380 ACP 7 Round Magazine is compatible with? The manufacturer suggests that Springfield Armory 911 .380 ACP 7 Round Magazine is compatible with 1911Springfield Armory PG6807 911 380 Automatic Colt Pistol ACP 7 Rd 911 Stainless