Specifically designed for use with the new smith & wesson m&p fpc pistol-caliber carbine the smith & wesson m&p9 9mm 23-round magazine with adapter is a genuine s&w factory magazine designed to deliver exceptional service and consistent operation in any target shooting or training application.Featuring a durable stainless-steel body with a corrosion-resistant finish and a polymer adapter to ensure a flush fit and consistent service with your fpc rifle.The high-tensile steel spring and polymer follower ensure smooth reliable feeding performance.Whats more the precision-engineered design provides a sure fit for dependable field-ready performance you can depend on and the removable floor plate/adapter allows for quick disassembly when maintenance and cleaning are required.Caliber: 9mm LugerCapacity: 23rdModel: M&P FPCMaterial: Stainless SteelCapacity: 23