This is a speed loader compatable with Glock 44 Factory Magazines The Heavy Duty Design is for use with the original factory magazines. IProudly made in the U.S.A. by military veterans. The Magazine not Included. No More Sore Fingers or thumbs This loader has the extra-large, thicker finger grips, for easier loading. No more sore fingers from grabbing the tiny little slide grip that is on the factory magazine. Simply place it over the magazine and press down with booth fingers. The wider finger grips insure a non-jamming easy sliding loading operation. Black in color, so any carbon, or residue stains will not show. Satisfaction Guaranteed