One way to get Match Grade performance out of your 1911 is to add a Remsport 1911 Match Grade Barrel Bushing to your build. Drop in Match Grade Bushings are available for both Government and Commander models, and only require fitting of the ID. The 1911 Government Match Grade Gunsmith fit bushing requires machining of the OD to fit to your Slide, and ID to fit your Barrel. All Bushings are made from 416 Stainless Steel