IMG Glock 40S&W 15 Round Pistol Magazine Black. 40 S&W 15 Round Black Polymer Magazine for Glock 2223 and 27. Mag body is made of virtually indestructable 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 40 S&W 15 Round Pistol Magazine: Manufacturer: IMG Gun Make: Glock Caliber: .40 S&W Magazine Capacity: 15 Round Color: Black Quantity: 1 Condition: New Fabric/Material: Polymer Package Contents: IMG Glock 40 S&W 15 Round Pistol Magazine IMG GL-0002-15RD: Glock 40S&W 15 Round Pistol Magazine Black