DSC 1911 Gov't Round Butt Mainspring Housing 25 lpi Aluminum

6061 aluminum mainspring housing, for full size government size round butt 1911 frames. Round butt design for enhanced concealment and improved grip feel without reducing the hammer spring or drilling a new mainspring housing pin hole. CNC machined from bar-stock, With 25 lpi Checkered back. All CNC machined in the USA. Not MiM, not cast, ALL solic CNC machined bar-stock. The round butt mainspring housing requires frame reshaping/refinishing after installation. Finish: Anodized Black