Description
Uct Coatings Inc. Fail Zero Fail Zero bolt carrier group is a complete M16/M4 BCG built for use in a mil-spec upper receiver. This version is a full auto carrier with a standard black nitride coating. Critical parts use Black Salt Bath Nitride finishing for wear and corrosion resistance. It also includes a firing pin with a chrome finish.
- Complete bolt carrier group assembled and ready to install in a mil-spec upper receiver
- Full auto carrier configuration
- Black nitride coating with Black Salt Bath Nitride finished critical parts
- Includes firing pin with chrome finish
- No hammer
| Fits | M16/M4 mil-spec upper receiver |
|---|---|
| Part Type | Bolt Carrier Group |
| Caliber | 5.56 |
| Finish | Black nitride, Black Salt Bath Nitride |
| Length | 10.9500 |
| Model | M16/M4 |
