Long-lasting, stainless steel, high-capacity magazines are made to precise, factory tolerances to ensure maximum firepower and reliability from your Springfield XD pistol. Steel spring and molded polymer follower feed rounds smoothly and reliably to the chamber, every time. Highly polished body won't drag or hang-up during high-speed, tactical reloads. High-impact, polymer, base bad removes easily for cleaning. Numbered witness holes provide quick round count. Compact & sub-compact models fit flush. Mfg: Springfield Armory SPECS: Body - Highly polished stainless steel. Base Pad & Follower - Polymer, black. Capacity: .40 S&W - 12-rounds.