This kit contains all parts needed to finish your Bobtail Commander 80%1911. This is a not an FFL item. This is not a complete frame and still requires additional machining to be done. Frame is forged 4140 steel 4 Operations left to be completed are Decking the top hammer hole sear pin holes Slide rails Beavertail safety fitting (personal preference) Kit does not come with sights/magazine/grips Parts list includes 80% 1911 Frame in series 70. Frame is forged 4140 Steel with 30 LPI checkered grip. Forged 4140 slide ready to install. Slide is cut for Novak sight. Firing pin hole is .070 will work on 9mm and up Forged 416r match grade barrel. Match barrel bushing ss Plunger tube ss Internal extractor ss Skeletonized trigger ss Beavertail safety ss Mainspring housing 4140 All fire control parts ss Spring kit Pin kit ss