Pearce Grip Springfield Armory XD Magazine Extension 9mm Luger (13/rd Only) .40 S&W .375 Sig Black

This grip extension replaces the magazine floor plate and internal floor plate on the 9mm (13 round only), 40 S&W, 375 SIG. It adds approximately 1 inch in length and additional capacity. NOTE: These extensions will not work with the 10 round 9mm magazines, the XDM frame or the Mod2 frame.