Bootleg, 5.56 Lightweight Bolt Carrier Group, Machined from 4140, Nitride Coating, Mil Spec Configuration, Staked Mil Spec Gas Key
LanTac USA LLC, 308 Enhanced BCG, Black Nitride
CMMG, AR Conversion Kit, 22LR, Stainless Steel Bolt Group, 3 Magazines, 25Rd
Gemtech, Suppressed 556NATO Bolt Carrier, Black Finish, Carrier Only - No Bolt
Rosco Manufacturing, Bloodline, 11.5" Barrel, 556NATO, Melonite Finish, Includes Gas Block, Gas Tube and BCG, Government Profile
Bootleg, Four Position Adjustable Carrier, AR-15, Complete, Black Finish
LBE Unlimited, Bolt Carrier Group, For M16, Phosphated 8620 Steel
Phase 5 Weapon Systems, Bolt Carrier Group, For AR15, Black Phosphate Chrome Lined Finish
Sourced from a Tier 1 supplier of the M4A1 carbine, this 5.56mm complete bolt carrier group is manufactured to the stringiest of military standards. Being off the same production line as bolt carrier groups found in carbines throughout the entire...
Stag Arms LLC, Bolt Carrier Group, Nickel Boron Coated, 223 Rem/556NATO
Colt's Manufacturing, Mil-Spec Bolt Carrier Group, 223Rem/556NATO, Black Parkerized Finish
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Sons of Liberty Gun Works Bolt Carrier Group HPT/MPIBolt:
Precision machined from Carpenter Technology No. 158 alloy,
Heat treated per mil-spec,
Shot peened per ASTM B851/SAE AMS2430S,