Product Description K-SPEC M16 5.56 NATO BOLT CARRIER GROUP W/SIDE VENT K-SPEC M16 5.56 NATO BOLT CARRIER GROUP W/SIDE VENT at BattleHawk Armory Browse all BattleHawk Armory deals $179.99 In Stock at BattleHawk Armory Price checked 5 days ago Buy Now at BattleHawk Armory Secure checkout Easy returns or compare prices Amazon eBay Product Details Brand Kak Industry Accessories Kak Industry