Lost your magwell screw or want an extra set to keep on hand? This item contains a grip plug screw and the magwell body screw for the magwell you select. Gen 3 or Gen 4 NBS (No Back Strap) Magwell Gen 3 Competition Magwell Gen 4 MBS or LBS (Medium or Large Back Strap) Gen 5 NBS (No Back Strap) Magwell
