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FailZero
Overview
The FailZero Exo Coated M16 / AR-15 Bolt Carrier Group is designed specifically for the 5.56 NATO caliber and features a Nickel Boron finish that enhances durability and resistance to wear. Its M16 bolt carrier style ensures reliable cycling and compatibility with a variety of gas systems, making it an excellent choice for builds that prioritize performance and longevity. This bolt carrier group is commonly found in carbine gas system configurations, making it suitable for a range of applications from tactical to recreational shooting.
Based on build data

Radian Weapons Ar-15 Raptor-Sd Ambidextrous Charging Handle Od Green

Magpul AFG-2 Angled Fore Grip - Black

SIG Sauer MCX Stock Adapter Kit

CMMG AR-15 HD Pivot and Takedown Pin Parts Kit - 55AFF3B

Spikes Tactical Made in USA Ejection Port Door for AR-15 Style Rifle - SED7002

Rise Armament Super Sporting Ar15/10 Single Stage Trigger - Flat - Dtom Special Edition
Aggregated and anonymized data showing how builders use this product
| Product | Category | Times Built Together |
|---|---|---|
| Radian Weapons Ar-15 Raptor-Sd Ambidextrous Charging Handle Od Green | 4 | |
| Magpul AFG-2 Angled Fore Grip - Black | 4 | |
| SIG Sauer MCX Stock Adapter Kit | 3 | |
| CMMG AR-15 HD Pivot and Takedown Pin Parts Kit - 55AFF3B | 3 | |
| Spikes Tactical Made in USA Ejection Port Door for AR-15 Style Rifle - SED7002 | 2 | |
| Rise Armament Super Sporting Ar15/10 Single Stage Trigger - Flat - Dtom Special Edition | 2 |
| Platform | Percentage |
|---|---|
| AR-15 | 100% |
| Caliber | Percentage |
|---|---|
| 300 Blackout | 100% |
Builds in the community that include the FailZero Exo Coated M16 / Ar-15 Bolt Carrier Group - Black
| Build | Parts | Total |
|---|---|---|
![]() | 22 | $2243.35 |
![]() | 18 | $1489.57 |
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