The frame, or receiver, is the literal foundation of any 1911. Nighthawk Custom 1911 frames are fully, precision CNC machined to meticulously tight tolerances from forged premium-grade 416 stainless steel to provide the strongest foundation for the build, regardless of intended end-use. This government size 1911 frame will come to you pre-cut for a .250" radius beavertail grip safety, stripped and bead blasted, ready for fit and finish. The frame features an accessory rail for mounting a tactical light or laser. The front strap has received 25 LPI checkering. Note: Gunsmith fitting may be required