These units replace the magazine floor plate and internal floor plate on the 9mm (13 round only), 40 S&W, 375 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 nor the XDM frame. Pearce Grip Extension Black XD Comp PGXD+
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WARNING: This product may contain chemicals 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.