FEATURES: CNC machined from aluminum alloy Come as a complete frame with the following features: accurizing kit (includes extended bolt release, CNC machined target trigger, wire EDM cut target hammer, and target sear), titanium disconnector, built-in spring loaded magazine ejector and extended safety Shipped with 2.25lb trigger pull Works with any grip designed for MKIII steel frame MKIII magazines required for this frame For use on 22/45, new mainspring housing is required Available in matte black anodized finish BENEFITS: No FFL required for purchase Drastic upgrade in performance and weight Mfg: Volquartsen