The ED BROWN 1911 SOLID BARREL BUSHING is a machined, steel bushing designed for a tight fit between the slide and barrel, available for both Government and Commander models.
This product comes in two styles: Drop-In, which requires no fitting with Ed Brown Barrel and Colt slides, and Oversize, which requires adjustment of both outside and inside diameters for a match fit.
It is made from steel with a choice of blue or stainless steel finish, and the Oversize bushing for the Government model has an I.D. of .575" and an O.D. of .705".