Guns

A gun is a weapon that uses the force of an explosive propellant to project a missile. The rifle and the shotgun are both long-barreled weapons used for long-range shooting; the pistol has a shorter barrel and is accurate only at relatively short ranges. The revolver has a revolving barrel that allows repeat firing. The machine gun is an automatic firearm, the first of a line of weapons including assault rifles and submachine guns. The …

…gun and the American weapon known as the M-3 or “grease gun” . After World War II, the United States and the Soviet Union adapted automatic rifles to the use of reduced-power bullets. The American M-16 rifle, which is widely used, can be fired accurately up to 500 yd (457 m) when hand-held and up to 800 yd (732 m) when mounted. The Soviet AK-47 Kalashnikov automatic rifle and the Israeli Uzi submachine gun are particularly effective and famous weapons.