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. … Guns illustrated 1985 / ed. by Harold A. Murtz ; Gun Digest schriftenreihe der landesverteidigungsakademie Militärstrategisches Umwelt- und Konfliktbild : Synopse 1, 94