10.5 cm Leichtgeschütz 42
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The 10.5 cm Leichtgeschütz 42, commonly the LG 42, was a German recoilless gun manufactured by Rheinmetall and used during World War II. Wikipedia
Breech: horizontal sliding block
Effective firing range: 3,400 m (3,718 yds); with Kleine Ladung
Shell: 105×155 mm. R