1911 Colt style Lower Government Frame assembly, completely finished. This is a fully assembled, fitted and tested Fusion Firearms, 1911 pistol frame with all internal parts fitted, Grip screw bushings installed, grip screws, and slide stop. These make excellent replacement assemblies or a great start to a new build for the home builder. All frames are completely machined from 4140/50 Solid bar-stock(this is not a Cast or poly frame), All Heat-treatments and machining complete, and finished in a matte Black-Oxide finish. The "Action" Frame assembly is the more modern design with an extended Ambi-Thumb safety, high-ride beavertail grip safety, Extended Slide-stop, light-weight Mfg: Fusion Firearms