Nighthawk Custom (FM Series) match grade bushings are Fully Machined™ from premium-grade 416 stainless steel for maximum reliability and outstanding service-life, making these the best 1911 parts on the market today. 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 World’s Finest 1911s, only the best materials can be used. That is why you can trust Nighthawk Custom Fully Machined parts in your 1911.

All Fully Machined parts are backed by a lifetime warranty.