Kel Tec Magazine P-11 9MM 10RD P-11-36-10RD. Simply insert a 9mm cartridge into the magazine and twist the cap until the cartridge locks into place. A deeply pronounced 'notch' serves as an over ride for the knuckle guard that provides a slight forward cant that provides for comfortable holding. Also useful as a handgun single stack magazine for 9mm in 9mm casings chambered in 9mm. For those 9mm shooters with larger pistol buffers a 9mm magazine is a good choice items it holds 10 rounds. Specifications for Kel Tec Magazine P-11 9MM 10 Round: Manufacturer: Kel-Tec Gun Make: Kel-Tec Gun Model: Kel-Tec P-11 Caliber: 9mm Luger Magazine Capacity: 10 Round Color: Blued Fabric/Material: Polymer Package Contents: Kel Tec Magazine P-11 9MM 10 Round What firearm models does the manufacturer say Kel Tec Magazine P-11 9MM 10 Round is compatible with? The manufacturer suggests that Kel Tec Magazine P-11 9MM 10 Round is compatible with Kel-Tec P-11Kel Tec P-11-36-10RD: Magazine P-11 9MM 10RD