Brand-new replacement magazines from your pistol's manufacturer ensure your spare mags work just as well in your M&P as the ones that came with the gun. Have plenty on hand - a personal defense or carry pistol is only as reliable as the magazine in it. Mfg: Smith & Wesson SPECS: Steel bodies, polymer followers and base pads, black. .45 ACP mags are available with choice of black or tan base pad.