Saab’s design was for a shoulder-fired recoilless rifle capable of firing 84 mm anti-tank ammunition. Recoilless rifles operate on the principle that equal but opposite forces counteract each other.

The above photo is of an 82nd Airborne Division paratrooper firing an 84mm Carl Gustaf recoilless rifle from an observation post in Afghanistan. The Saab-made bazooka fires a variety of munitions ...