Springfield Armory XD 9mm / 40 S&W Magazine X-Tension Sleeve

Springfield Armory® Black Magazine Sleeve For XD/9MM/40SW Magazines.
Constructed of a durable, yet lightweight polymer, this magazine sleeve slides down over the top of the full-size magazine and fills the gap between the bottom of the grip frame and the base of the magazine for improved ergonomics and snag-free carry. Better yet, this magazine sleeve features aggressive grip texturing for a more reliable grip and improved shooting control, while the easy-to-install design offers hassle-free installation.