This video details the Suomi Noisemaker Training Magazine, a wooden and metal device used by the Finnish military to simulate automatic gunfire for the Suomi KP/-31 submachine gun. Lacking a muzzle thread for blank firing adapters, this unique training aid uses a hand-cranked ratchet to produce a loud clanking sound, mimicking a firing burst. The device precisely replicates the dimensions and locking catch of a 50-round magazine and features official 'SA' property marks.
This video showcases a TMag, a training or translucent magazine, being tested in a factory unmodified HK 416 during a full-auto test. The description notes that the TMag has been externally modified on its forward edge to ensure proper seating within the HK 416's longer magazine well. The test focuses on the compatibility and performance of this modified magazine with the specific firearm.
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