samworth books on firearms Gunsmithing : a manual of firearmsdesign, construction, alternation and remodeling : for amateur and professional gunsmiths and users of modern firearms / by Roy F. … encyclopedia of modern American small arms / Clemens Elwell ; pref. by Arthur Alphin ; photo descr. by Timothy Jacobs Guns illustrated 1985 / ed. by Harold A. Murtz ; Gun Digest