If 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 group. Locking, unlocking, extracting, ejecting all of it begins with the bolt carrier group.

• Model: Bolt Carrier Group
• Material: Carpenter 158
• Action: Full Auto
• Finish: Black Phosphate
• Bolt Type: Full Auto
• Hand: Right Hand

*Item must be returned in unused condition and in the original manufacturer's packaging (if applicable). If an item arrives non-defective and accurate to its description, this guarantee does not apply and returns will not be organized in those situations. Please confirm compatibility and specifications with us regarding item Sons Of Liberty Gun Works Bolt Carrier before purchasing if you are unsure.