This extension replaces the magazine floor plate and internal floor plate on the 9mm (13 round only) and 40 S&W, giving you some extra grip length on short frame models. This extension will add approximately 1" inch in length and additional capacity (two rounds to 9mm and one round to the 40SW). This magazine extensions incorporate a similar texture pattern to that of the factory XD MOD.2 grip.
NOTE: These extensions will not add capacity to the 10 round 9mm magazines and will not work on the XDM magazines nor XD MOD.2 magazines in 45ACP.
WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to - www.P65Warnings.ca.gov