IMG Glock .45 ACP 13 Round Pistol Magazine Black

IMG Glock .45 ACP 13 Round Pistol Magazine Black. 45 ACP 13 Round Black Polymer Magazine for Glock 21. Mag body is made of virtually indestructible black nylon molded around steel inserts. Magazine spring is made from heat-treated chrome silicon wire for stiffness and durability. Witness holes are clearly visible to let the shooter know how much ammo is available at a glance. Designed for Glock Gen 3 and subsequent models. Manufacturers Lifetime Warranty. Specifications for IMG Glock .45 ACP 13