Brand: FailZero
FailZero EXO Nickel Boron M16 Bolt Carrier Group 5.56 NATO
- SKU FZ009-FZM164-01-NH
- UPC 881314861781
- MPN FZ-M16/4-01-NH
FitsM16/M4/AR-15Caliber5.56x45 NATOTypeBolt Carrier GroupMaterialSteel
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About this product
A fully assembled M16 bolt carrier group from FailZero that drops into most mil spec M16, M4 or AR-15 upper receivers. The bolt is 5.56/223 compatible.
All critical parts get FailZero's EXO nickel boron coating: the bolt and extractor, bolt carrier, cam pin, carrier key and firing pin. The coating gives permanent dry lubricity, cuts friction and adds wear and corrosion resistance.
Specifications
| Type | Bolt Carrier Group |
|---|---|
| Model | Bolt Carrier Group |
| Series | EXO |
| Platform | AR-15 |
| Caliber | 5.56x45mm NATO |
| Frame | Steel |
| Finish | Nickel Boron |




















