Kahr Magazine 380ACP 7 Round Grip Extension Stainless Steel. 380 ACP Magazine Capacity: 7 Round Finish: Stainless Steel Fabric/Material: Stainless Steel Package Contents: Kahr K387G Magazine 380ACP 7 Round Grip Extension Stainless Steel The Kahr K387G Magazine 380ACP 7 Round Grip Extension Stainless Steel is a quality addition to the Kahr lineup. For more great deals on Pistol Magazines by Kahr please browse our Kahr Magazines page. What firearm models does the manufacturer say Kahr K387G Magazine 380ACP 7 Round Grip Extension Stainless Steel is compatible with? The manufacturer says that Kahr K387G Magazine 380ACP 7 Round Grip Extension Stainless Steel is compatible with Kahr Arms P380