M16 Complete Bolt Carrier Group Nickel Boron Bolt Material 9310 Tool Steel, Carrier 8620 Steel, Staked Gas Key, NiB Coated, Includes Firing Pin, Retaining Pin, Cam Pin, Extractor, Bolt Gas Rings
| Model | Complete BCG |
|---|
| Action | full auto |
|---|
| Material | 8620 Steel |
|---|
| Bolt Type | Drop In |
|---|
Determined at checkout.
