The 10.5 cm Leichtgeschütz 42 recoilless guns were the successors to weapons manufacturer Rheinmetall's earlier 7.5 cm LG 40 recoilless guns, which were used to effectiveness during the Battle of Crete in 1941, but left much to be desired. Although rival firm Krupp developed the 10.5 cm LG 40 desig... C. Peter Chen from ww2db.com