Bulldog Cases P-GM Polymer Magazine Holder, Black, Left/Right Suitable for civilian, duty and military Use. Gun specific design, fits Glock 17, 19, 22, 23,26,27,31,32,33,34 (Gen 1, 2, 3, 4) Ambidextrous for right or left hand Use Includes paddle attachment. Paddle features "comfort wear" silicone lining for extra comfort Package includes magazine holder, paddle and adjustment tool