Pearce Grip Grip Extension, Fits XDM 9/40, Black PG-XDME9 Replaces the magazine floor plate adding grip length. Does not alter the capacity of the magazine. Fits 9mm"and 40SW only. For use on XDM models with a rounded internal locking feature. This unit will not work on XDM models with a slotted (square) internal locking feature.(If you have a round button in the center of your baseplate this product will work on your magazine). Will not fit standard XD frames.