n. air gun
big gun
Bofors gun
Browning machine gun
burp gun
electron gun
Gatling gun
give the gun
under the gun
gun for
gun control
gun lap
gun moll
gun room
gun shy
hired gun
jump the gun
machine gun
pellet gun
Quaker gun
radar gun
riot gun
run and gun
six gun
smoking gun
son of a gun
spray gun
squirrel gun
squirt gun
stun gun
submachine gun
Thompson submachine gun
tommy gun
top gun
water gun
zip gun
go great guns
sons of guns
stick to one's guns