Original U.S 90mm Anti-Aircraft Gun M12 Drill Cartridge Round Dated 1943 with Dummy M44A2 Fuze Uniforms Helmet has a ventilation grommets

Helmet has a ventilation grommets with screen to each side of crown

though the leather has shrunk a bit

I rather assume the case's interior was re done in this European style at the time the system was converted to Breech Loading

isolated American units

Original U.S 90mm Anti-Aircraft Gun M12 Drill Cartridge Round Dated 1943 with Dummy M44A2 Fuze Uniforms Helmet has a ventilation grommetsOriginal Item: Only One Available. This is a fantastic inert drill round for the U. S. 90mm Gun. This was the primary heavy Anti Tank and Aircraft gun used by U. S. forces during WWII and later. It is completely inert, and cannot be converted to any type of explosive device. The shell weighs 35 lbs and measures approximately 38 inches in overall length. It is dated 1943 on the base. From Training Manual TM 9 1901 CARTRIDGE, DRILL, M12, W FUZE, DUMMY,