Brownells 75th Anniversary - A Shooting Heritage
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The Rubber City Armory Adjustable Gas Key enhances performance of low mass and standard mass GI systems without unnecessary disassembly. Gas flow is adjusted and maintained at the carrier with 2 set screws, one to adjust gas flow and one to lock it in place.  Made from Pre-Hardened 4140: 28-32RC with radiused corners reducing sharp edges. 2 mounting bolts included.

SPECS: Made from Pre-Hardened 4140: 28-32RC.

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