Description
Primary Weapons Bootleg Bolt Carrier Group AR-15 5.56mm 4140 Steel Black Nitride
This Bootleg Assembled Bolt Carrier is a 5.56 Mil-Spec configuration. It includes the complete Bolt Carrier Group with a staked Mil-Spec gas key and is full auto rated. It is machined from 4140 steel and has a black nitride finish.






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