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FailZero
Overview
The FailZero Exo Coated AR-15 Bolt Carrier Group is designed specifically for the 5.56 NATO caliber, providing enhanced durability and reliability in the operation of your firearm. The Nickel Boron finish not only offers a smooth surface for improved performance but also makes maintenance easier by resisting fouling and corrosion. This bolt carrier group is commonly found in builds featuring a mid-length gas system, making it a solid choice for those looking to optimize their AR-15 for both reliability and ease of cleaning.
Based on build data

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

Magpul RVG Rail Vertical Grip - Black

Magpul Ar-15 Moe Stock Collapsible Mil-Spec Blk

Breek Arms Ar-15 Warhammer Mod2 Ambidextrous Charging Handle Black

Strike Industries Ambidextrous Magazine Release, Black - ARAMBIMRBK

Phase 5 Tactical Ar-15 90 Degree Ambi Safety Selector Black
Aggregated and anonymized data showing how builders use this product
| Product | Category | Times Built Together |
|---|---|---|
| CMMG AR-15 HD Pivot and Takedown Pin Parts Kit - 55AFF3B | 4 | |
| Magpul RVG Rail Vertical Grip - Black | 3 | |
| Magpul Ar-15 Moe Stock Collapsible Mil-Spec Blk | 3 | |
| Breek Arms Ar-15 Warhammer Mod2 Ambidextrous Charging Handle Black | 3 | |
| Strike Industries Ambidextrous Magazine Release, Black - ARAMBIMRBK | 3 | |
| Phase 5 Tactical Ar-15 90 Degree Ambi Safety Selector Black | 3 |
| Platform | Percentage |
|---|---|
| AR-15 | 83.3% |
| AR-10 | 16.7% |
| Caliber | Percentage |
|---|---|
| 5.56 NATO | 75% |
| .223 Wylde | 25% |
| Gas System | Percentage |
|---|---|
| Carbine | 50% |
| Mid-Length | 50% |
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