Home Workshop Guns For Defense And Resistance #1 Bill Holmes GS104021 US$ 69.95 Pref. Cust. Discount 0% The submachine gum. With a minimum of tools this book walks you through building everything from the barrel to the magazine.8 1/2 X 5 1/2, softcover, photos, illus, 152pp. ISBN 0-87364-085-3