This grip extension replaces the magazine base plate. It does not alter the capacity of the magazine and adds approximately 5/8" inch additional gripping surface (1/4" longer than factory extension)...
The Strike Industries Aluminum Extended Magazine Plate for SIG SAUER P320 (9mm) is crafted to seamlessly fit 21, 17, and 15-round SIG SAUER P320 magazines. Offering an additional plus 5 rounds for...