Along with the Springfield Armory XD 45 comes the new line of grip sleeve extensions to match. This adapter will allow you to use full size magazines with your compact frame model providing you with additional grip surface rather than allowing the magazine to extended from the frame exposed.
Specifications and Features:
Springfield Armory XDG5006
XD Grip Sleeve Extension
Olive Drab Green
Springfield Armory XD 45 Full Size Magazines (with Compact Frame Firearm)