US Marines Scout Snipers Barrett M82, M40, M4 Rifle Sniping - アメリカ海兵隊スカウトスナイパー バレットM82･M40･M4ラ

U.S. Marines scout snipers conducts live-fire training to practice proficiency with the Barrett M82 anti-material rifle, M40 sniper rifle and M4 ri...