The Type 100 submachine gun (一〇〇式機関短銃 Hyaku-shiki kikan-tanjū?) was a Japanese submachine gun used during World War II, and the only submachine gun produced by Japan in any quantity.
- Type 100/40 (with solid stock)
- Type 100/40 (with folding stock)
- Type 100/44 (with solid stock)
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