Bulldog Cases Fits Glock 21 Gen 1,2,3,4 Polymer Holster with Paddle & Belt Loop, Right Hand, Black Suitable for civilian, duty and military Use. Bulldog's gun specific design fits Glock 21 Gen 1,2,3,4 Specially designed "quick draw" safety locking mechanism with fully Adjustable draw angle (tool included) Includes belt loop and paddle attachment. Paddle includes "comfort wear" silicone lining for extra comfort