The Bootleg Four Position Adjustable Bolt Carrier allows you to tune your AR-15’s gas system without modifying the gas block or barrel.
- Part Type: Complete Bolt Carrier Group
- Compatible Firearms: AR-15, mil-spec upper receivers
- Material: 8620 steel
- Finish: Low-friction coating, chrome-lined interior
- Installation: Drop-In
- Includes: Complete bolt carrier, bolt assembly, cam pin, firing pin, retaining pin
