機器
ammo
ammunition
armed
arms
army
automatic
background
barrel
belt
black
brass
bullet
caliber
cartridge
close
closeup
conflict
danger
dead
death
defense
detail
equipment
fight
firearm
frame
gun
guns
iraq
kill
metal
military
object
power
protection
rifle
russia
second
states
syria
terrorist
trigger
united
up
violence
war
white
world