I am old enough to remember the amazement that greeted PO Ackley's tests of Arisaka actions in the early 50s or late 40s, they were stronger than anything else, he tried tricks (as best I recall) like stuffing a couple of bullets in the barrel ahead of a loaded cartridge and the thing just shot them all out. 98s, 1917s, 1903s, 70s and 721s were not in the same league.
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<br>Why were the Japanese actions so superior?