Same as the mags that came with your pistol, these stainless steel 9mm and .45 ACP magazines resist wear and corrosion for extra-long service life. Molded polymer follower with integrated steel plate reliably raises the slide lock into position after the last round is fired. Base plate removes for cleaning. 9mm 9-round and .45 ACP 7-round models include polymer sleeves that match both backstraps that came with your pistol. Mfg: Springfield Armory SPECS: Stainless steel, polished natural finish. Fits single-stack, 9mm or .45 ACP Springfield XD-S pistols.