In February 1944, the 57mm recoilless rifle was demonstrated to the US Army Infantry Board. After the demonstration it was recommended that similar recoilless weapons in 75mm and 105mm be developed. The recoiless rifle's 105mm round is particularly effective against dug-in infantry and guns,Whilst the HEAT round retains effectiveness even verses long-range targetsContains 2x Jeeps with 105mm Recoilless Rifle