Description
The Uct Coatings Inc. Fail Zero M16/M4 Bolt Carrier Group is a fully assembled BCG built for mil-spec M16, M4 and AR15 upper receivers. Critical parts receive EXO Nickel Boron coating for dry lubricity, wear resistance and improved corrosion resistance.
- Completely assembled, drop-in ready for most mil-spec uppers
- EXO Nickel Boron coated on critical parts for durability and dry lubricity
- No hammer configuration (no separate firing pin hammer included)
| Fits | M16, M4, AR15 upper receivers |
|---|---|
| Part Type | Bolt Carrier Group |
| Finish | EXO Nickel Boron |
| Length | 10.6500 |
