Original issue, US Army Technical Manual, 244 pages, size is 8 1/4" x 10 3/4", stapled, three hole punched, dated 29 June 1981.  This is not a commercial copy or print but an original issue government print issued in 1981.  this publication is titled - TM 43-0001-27, Army Ammunition Data Sheets for Small Caliber Ammunition.  Publication is designed to provide information as a reference handbook in the planning, training, familiarization and identification of small arms ammunition, from 22 caliber through 30 millimeter.  For each item of ammunition, there are illustrations and descriptions together with characteristics and related date including weights, dimensions, performance data, packing, shipping and storage data, type classification and logistics control codes (LCC).   Very well illustrated using clear and detailed line drawings.