XTech Tactical Mag19-15 Black Glock 19 9mm Luger Magazine - 15 Rounds - 2 Pack - The MAG19-15 fits EVERYTHING that takes a Glock 9mm double stack 15 round magazines. ANY mag-well, ANY variant, ANY Glock inspired pistol, rifle or carbine. Upgraded over Glock Factory 17-7 Stainless Steel Spring Proprietary Baseplate material for unmatched durability Delrin with additive "No Stick" follower Steel - Reinforced Magazine Body Compatible with EVERYTHING that fits a Gen4 Glock Factory magazine Lifetime Warranty