機器
15
223
556mm
air
ar
arms
army
assault
automatic
ban
bullet
bump
colt
doubleaction
fire
firearms
forces
gun
m4
m4a1
marines
military
nato
navy
police
rapid
recoil
rifle
semiautomatic
shooting
shot
shotgun
silhouette
soldier
special
stocks
swat
tablet
target
trigger
us
us army
us marines
usgi
usmc
war
warrior
weapon