Nighthawk Custom Barrel Bushing Commander .100in Thick Stainless Fully Machined. This bushing is designed for use with .580" O.D. barrels with the I.D. and O.D. left slightly oversized for custom gunsmith fitting to your barrel further ensuring precise lockup and improved accuracy. The Nighthawk Custom line of Fully Machined parts are designed to be the gold standard in the 1911 parts industry. All Fully Machined parts have been fully CNC machined from solid steel billets. We never use cast metal injected moldings or polymer parts. In order to create the Worlds Finest 1911s only the best materials can be used. That is why you can trust Nighthawk Custom Fully Machined parts in your 1911. Specifications for Nighthawk Custom Commander Barrel Bushing: Manufacturer: Nighthawk Custom Color: Stainless Fabric/Material: Stainless Steel Gun Model: 1911 Package Contents: Nighthawk Custom Commander Barrel Bushing What firearm models does the manufacturer say Nighthawk Custom Commander Barrel Bushing is compatible with? The manufacturer suggests that Nighthawk Custom Commander Barrel Bushing is compatible with 1911Nighthawk Custom SP0002: Barrel Bushing Commander .100in Thick Stainless Fully Machined