機器
american
ammunition
arms
army
art
assault
automatic
barrel
battle
bullet
carbine
color
colorful
combat
conflict
contour
crime
danger
fire
firearm
gun
icon
illustration
isolated
line
linear
lineart
m16
m16a1
metal
military
object
outline
pattern
random
rifle
seamless
shot
silhouette
soldier
symbol
trigger
violence
war
weapon