FM 23-70 37-MM GUN, ANTITANK, M3. War Dept. (Used) Wash: War Dept, October 1940. Softcover. 185 page, Pictures/illus, soil to covers. Good-very Good. Item #12908 Price: $45.00 See our Home Page before ordering. Add to Cart Ask a Question See all items in Used See all items by War Dept