Springfield Armory : PG-XDM
Springfield Armory XDM Compact series grip extension
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.
Will not work on (10) round magazines with plastic magazine tube spacer.