Arc Division Magazine Floor Plate Glock 19 Gen 3/5 Anodized Black. These are designed specifically for the Glock 17/19 OEM glock mags and will not work on other aftermarket magazines. These come with aftermarket spring and fixture with a small screw in the rear for easy install. Specifications for Arc Division Magazine Floor Plate: Manufacturer: Arc Division Color: Black Fabric/Material: 6061-T6 Aluminum Magazine Capacity: 5 Round Caliber: 9mm Luger Gun Make: Glock Model Generation: 5 3 Number of Rounds: 5 Package Contents: Arc Division Magazine Floor Plate Spring Set Screw Allen Key Sticker What firearm models does the manufacturer say Arc Division Magazine Floor Plate is compatible with? The manufacturer says that Arc Division Magazine Floor Plate is compatible with Glock 19 Glock 17Arc Division 25342: Magazine Floor Plate Glock 19 Gen 3/5 Anodized Black