These units replace the magazine base plate and internal locking plate. Thess extensions will add approximately one inch additional gripping surface and will add two rounds to the capacity of the magazine.
Will not fit XDM frames. Not for use on restricted capacity magazines.
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