Timeless information in an easy-to-use format with a new foreword added Popular and little-known methods explained Includes useful weights and measures charts This practical and precise guide to the chemical and heat coloring of all barrel steels and gun metals covers the earliest soft carbon methods to the latest rustless techniques--some 230 formulae in all. Also included are ways to remove rust, barrel finishes, and nickel plating by chemical means. It's a classic, comprehensive reference of interest to professional and amateur gunsmiths, restorers, collectors, and shooters alike.