Department of the Army Technical Manual-TM 9-1005-223-12 Operator and Organizational Maintenance Manual 7.62-MM Rifle M14 and Rifle Bipod M2-Published by the Department of the Army, Washington, D. C. in 1963. This manual contains instructions for operation and organization maintenance of the 7.62 mm rifle M14 rifle bipod, M2, ammunition and equipment. There are a few stains on the inside of this pamphlet, either from water (or coffee), but they don’t affect the text or illustrations in any way.