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.
- 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