pistol;  handgun;  revolver
 ready with a rifle leveled
 Swords and Firearms Control Law (1958)
 tranquilizer gun;  tranquiliser gun
 loophole;  crenel;  gun port;  porthole
 repeating firearm;  a repeater
 shooting spree;  shooting rampage;  mass shooting
 single shot gun;  one-loader gun
 carbine (short gun used by cavalry)
 gun crime;  gun-related crime
 execute by shooting to death (by firing squad)
 form of modern martial art using the bayonet
 rapid (weapons) fire;  hail of bullets