2022年7月16日1 分鐘輕兵器收藏品TM 9-270, U. S. Rifle Cal. 30, M1903A4 (Sniper’s), Published by War Department, 28 September, 1943TM 9-270, War Department Technical Manual, U. S. Rifle Cal. 30, M1903A4 (Sniper’s): Characteristics and Operation and Use of Telescopic...