DSG Bolt Carrier Group for AR15, M4 and M16 – Black Nitride Coated

DSG’s AR15 complete bolt carrier group (BCG) M16 profile includes an MPI magnetic particle inspected bolt machined from 9310 steel. Each Bolt includes a factory-installed extra power extractor spring and a black insert.

Carriers are manufactured from 8620 steel and gas keys are properly staked. Each Bolt Carrier Group is black nitride coated for a smooth and extremely hard finish. DSG marked and visible via the open ejection port.

As used on DSG complete uppers.

Features:

• 9310 Steel bolt
• Black Nitride coated
• MPI Magnetic Particle Inspected and marked
• Extra Power Extractor spring with black Insert
• Properly staked gas key
• 8620 steel carrier