機器
ammunition
arms
army
art
assault
blue
bright
bullet
carbine
color
colorful
contour
crime
fire
firearm
glowing
gun
hunting
icon
illustration
isolated
lens
light
line
linear
lineart
metal
military
modern
neon
outline
rifle
scope
shot
shotgun
sight
silhouette
sniper
soldier
special
symbol
target
telescopic
trigger
violence
war
weapon
wood