If you need to learn how to install a barrel or chamber it look for our title; "Chambering Rifle Barrels for Accuracy" There are many books about gunsmithing and those that contain any great amount of technical information are long outdated. Still more of them are written by writers who have never made a living gunsmithing. All such books provide interesting information and some methods remain unchanged. However, as tools and technology change so does the process of gunsmithing.