Original U.S 90mm Anti-Aircraft Gun M12 Drill Cartridge Round Dated 1943 with Dummy M44A2 Fuze Spanish Militaria which superceded the M-1905 massively

which superceded the M-1905 massively heavy and expensive all brass water jacket

the shooter had to take an excessive amount of time to reload

and subsequently production continued in Bulgaria as well

In World War I the remaining boats had been used as mine sweepers

nicely marked:

Original U.S 90mm Anti-Aircraft Gun M12 Drill Cartridge Round Dated 1943 with Dummy M44A2 Fuze Spanish Militaria which superceded the M-1905 massivelyOriginal Item: Only One Available.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,