M18 Recoiless Rifle

History
The M18 Recoilless Rifle was an american 57mm shoulder fired anti-tank recoilless rifle which was primarily used by the U.S. Army in World war 2 and in the Vietnam War.The M18 was first designed in 1942 but only started production in October 1944.

The Rifle would fire four types of ammunition: T20E2 / M307 (HEAT), T22 / M306 (HE), T23 / M308 (SMOKE) (WP) and a practise round.The rifle had far greater accuracy than unguided rocket launchers at the time like the M1A1 Bazooka.