The formidable 152 mm ML - 20 Howitzer - Gun was capable of out - ranging most Japanese pieces .
The formidable 152 mm ML - 20 Howitzer - Gun fired a shell weighing 43.6 kg .
The formidable 152 mm ML - 20 Howitzer - Gun was capable of out - ranging most Japanese pieces , and fired a shell weighing 43.6 kg .