militaryarmament:

US and ROK Marines conducting an urban assault exercise, April, 2014.
#roundsdownrange
militaryarmament:

Afghan National Army commandos from the 3rd Commando Kandak and members with the Navy SEALs, scanning the horizon during a patrol of Gerandai village, Panjwai district, Kandahar province, Afghanistan, May 16.
seniormudbutt:

ofspacifica:

Security policeman SSGT Leo Miller feeds rounds into an M-2 .50-caliber machine gun during heavy weapons training at Rodriquez Range. 4/1 1980

Uuunnnf. This is POV gun porn.
vietnamwarera:

Minigun firing
militaryarmament:

U.S Marines from 2nd Marine Division conducting a company-size exercise focusing on platoon-size supported attacks.