These units replace the magazine floor plate and internal floor plate on the 9mm (13 round only)" 40 S&W" 357 SIG and the 45 GAP. These units will add approximately 1 inch in length and additional capacity. NOTE: These extensions will not work with the 10 round 9mm magazines" the XDM frame or the Mod2 frame.

Features:
High Impact Polymer
Increased Comfort and Control
Added Gripping Surface