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CMMG AR Gas Block Assembly .625 ID Low Profile

CMMG AR Gas Block Assembly .625 ID Low Profile

Buy your CMMG Gas Block Assembly Kits from BattleHawk Armory now!.625" Low profile gas block, includes installation screws. Made of 4140 moly chrome. Replace your A2 site with this gas block or add a free float rail system to cover your gas block.