SGM Tactical has always strived to build gun magazines better than any magazine currently available – ones that would feed smoothly and consistently deliver in performance and longevity. SGM Tactical uses injection molds that are created from pre-hardened steel, and retractable cores are cut from heat-treated steel. The Dupont ™ composite/glass-filled polymer allows for a sturdy, quick, fast-feeding mag that will last for years to come. The springs are specially designed to be somewhat longer in order to yield uniform pressure. Ultimately, the SGM Tactical magazines are made to fit perfectly and provide smooth, fast feeding. At GunMagWarehouse, we have a wide selection of SGM Tactical magazines for you to select from – take a look and stock up on SGM Tactical magazines today.