Warne Glock 19/23 9mm/.40 S&W Magazine Extension Kit +3/+2 Rounds Black

The WarneA(R) Magazine Extension Kit replaces your magazine's existing baseplate to give your G19 or G23 a major capacity "boost." Made from anodized aluminum, the Extension Kit features an ergonomic shape that's comfortable in your hands and allows for easier mag swaps. PLEASE NOTE: Magazine not included. Fits GlockA(R) 19/23 9mm or .40 S&W original factory magazines Provides +3 capacity when used with 9mm, +2 capacity when used with .40 S&W Includes Extension, performance spring and follower M