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ROSCO 556NATO/300BLK Bolt Carrier Group Phosphate Black
Rosco Manufacturing$145.00These 5.56 / 300 BLK Bolt Carrier Groups are Phosphate Coated with Chrome Lined Gas Key & Bolt Channel, Full-Auto rated, properly staked, and the bolts are Matched to the barrel. Their Rosco... -
SOLGW BCG 5.56 NATO Chrome Full-Auto AR-15 Bolt Carrier Group
Sons of Liberty Gun Works$237.50If the gas port is the lungs, then the bolt carrier group is the heart. Its what drives the entire gun. If you look at the AR platforms cycle of operations, everything happens around the bolt carrier... -
KAK K-SPEC AR Bolt for 5.56/.300BLK, Dark Earth Chrome
KAK Industry$123.99MSRP: $124.95The K-SPEC dual ejector system uses Mil-Spec ejectors and springs that require no proprietary parts. Ejector holes are centered on the lugs to avoid any reduction in strength of the bolt. The dual... -
FN 36421 AR-15 5.56 NATO 16" Carbine, Black Phosphate Chrome Lined
FN America$366.99FN AR15 barrels are hammer forged using the same proprietary highgrade Chrome MolyVenadium steel used in FNs venerable machinegun barrels produced to handle the punishment of sustained fullyautomatic... -
