The Amend2A(R) S300(TM) Hybrid Grip Module is a grip module designed to function with Sig SauerA(R) P320A(R) Style Fire Control Units and Complete Slides while allowing use of Sig SauerA(R) P365A(R) Style Magazines. the result is an easily convertible concealed carry firearm that can transition back to a full size duty gun in seconds. Covered by the Amend2A(R) Lifetime Warranty. Compatible with Sig SauerA(R) P320A(R) Style compact and full size slides (Sub compact compatible with use of compensator) Compatible with Sig SauerA(R) P365A(R) Style 10 12 and 15 round mags Compatible with all Sig SauerA(R) P320A(R) Style holsters -Full size accesory rail allows attachment of full size lights and lasers Utilizing P320A(R) style slides allows for use of full size optics