King Holster Tactical Shoulder Holster fits Glock 45 Cal Model 21/37 / 38/41 Durable tactical construction that is comfortable, light weight and discrete. Reversible holster for Right or Left Hand Cross Draw. Includes Universal Double Mag Pouch sized to fit single and double stack 9MM / 40 / 45 mags. Fully adjustable to fit most body frames and includes elastic belt strap for secure carry.