Standard nomenclature lists. F-205. Light, aiming post. M14, light, instrument. M1, M2 M3, M4, M5, M6, M7, M8, M9 M10, M12, M13, M15, M16, M17, M18, M19, M20, M21, M22, M23, M24, M25, M26, M27, M28, M29, M30, M31, M32, M33, M34, and M35, list of all parts; Dec. 4, 1943.