機器
armament
arms
army
assault
automatic
black
bullet
closeup
collection
colt
fire
firearms
forces
gun
gunsight cqb
m16
m16a2
m4
m4 cqb
m4a1
military
nobody
object
operations
optical
police
rifle
shot
shotgun
silencer
silhouette
sniper
soldier
special
special operations
swat
tablet
target
us
us army
us marines
usmc
war
warrior
weapon
white