Marine Corp 1911 parts have been cut from special alloy plate steel. This steel has been heat treated to 44-46 Rockwell C for unlimited life expectancy. Suitable for all applications, these parts have been expressly designed for the tactical pistol. Parts require fitting by a qualified gunsmith.Approved by US Marine Corps.
Features: Heat treated to RC 50-53.
Gunsmithing Required: Yes. Fitting to hammer and final dressing may be required.