Taran Tactical Innovations Lightning Magazine Well for Gen 5 Glock provides the ultimate in reloading performance for the Glock pistol. CNCd from high quality billet aluminium right here in America the one-piece set screw design offers premium performance without the irritation of a two piece design. Forward ergonomic relief cuts provide comfort while a massive underside funnel increases the speed and success of quick reloads. 1.7 ounces of high quality Aluminum provides much needed weight for balance to your limited Glock.