U.S. Army paratroopers from 2nd Battalion, 503rd Infantry Regiment, 173rd Airborne Brigade, engage targets with the M240 machine gun, M4 carbine and M320 .
U.S. paratroopers from the 173rd Airborne Brigade (Sky Soldiers) engage targets with M2 machine gun, M240 machine gun, M4 carbine, M320 grenade .
Video of American Paratroopers qualifying with M4 carbine, M240 machine gun, M249 light machine gun and M320 grenade launcher at the range. Video by .