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25-mm M242 Bushmaster

Country of Origin: USA


The M242 Bushmaster is one of a series of chain guns and is the principal armament for U.S. light armored vehicles.

The unusual mechanism of the externally powered chain gun consists of an endless roller chain riding in a "racetrack" around one driven and three idling sprockets. A chain drive slider mounted on the master link travels back and forth in a transverse slot on the underside of the bolt carrier. This reciprocal action opens and closes the breech on the single barrel....

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