This entry details the Halbeck device, a 1977 Rhodesian-patented muzzle brake redirector designed for the R1 rifle. Expertly demonstrated by Ian McCollum, the guide covers its unique spring-loaded catch and lever-pin locking mechanism. The R1 rifle's muzzle device is noted for its four sets of ports, specifically intended for launching rifle grenades, highlighting the tactical application of this historical accessory.
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