Tokyo Arsenal Model 1927

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{{infobox weapon

| name = Tokyo Arsenal Model 1927

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| origin = Empire of Japan

| type = Submachine gun

| is_ranged = YES

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| designer =

| design_date = 1927

| manufacturer = Tokyo Arsenal

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| weight = 3.2 kg

| length = 690 mm

| part_length = 230 mm

| cartridge = 8x22mm Nambu

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| caliber = 8 mm

| barrels =

| action = Blowback

| rate = 300–600 rpm

| velocity = 340 m/s

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| sights = Iron

}}

The {{nihongo|Experimental Submachine Gun|試製自動短銃|Shisei jidō-tanjū}} was a submachine gun of Japanese origin, manufactured by Tokyo Arsenal.Small Arms Illustrated, 2010 The Imperial Japanese Army developed the Model 1927, which was fed from a drum magazine. It was ordered from Tokyo Arsenal and tested by the army. However, it was inferior to submachine guns such as the MP 18, and broke during the test. In 1930, a second trial was conducted, and the gun was again by rejected by the army. Model 1 was made in 1936 and Model 2 was made in 1937. Model 2 was at first 6.5 mm caliber, but was later revised to 8 mm.