Courtesy of Springfield Armory, Inc.

This Springfield XD Diagrams will help you determine which part you required.  Please scroll down until you come to the section for your specific XD variant…

HS-2000 & XD models only

 

XD MOD.2 models only

 

XD(M) models only

 

XD-S models only

 

XD-S MOD.2 models only