FailZero Bolt Carrier Group With Hammer EXO Coated, Fits M16/4, Nickel - FZ-M164-01-SAH
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FailZero
Overview
The FailZero Bolt Carrier Group with Hammer is designed for the M16 platform and is crafted to handle the pressures of 5.56 NATO ammunition. Its Nickel Boron finish not only enhances durability and corrosion resistance but also provides smoother operation during cycling, which can result in improved reliability and easier cleaning. This BCG is a popular choice for builders looking to create high-performance rifles with an emphasis on reliable operation and maintenance ease.
Specifications
FailZero Bolt Carrier Group With Hammer EXO Coated, Fits M16/4, Nickel - FZ-M164-01-SAH
Build history on GunPartPicker
Builders on GunPartPicker first added the FailZero Bolt Carrier Group With Hammer EXO Coated, Fits M16/4, Nickel - FZ-M164-01-SAH to a build in March 2026.
It was hard to find in August 2026, in stock on only 8 of the 20 days we checked, and today only Palmetto State Armory has it in stock. It dipped to $140.70 at BattleHawk Armory for a stretch in August 2026, well under its usual $160.49 to $185.99, so sales do come around. Buying today, the lowest price is $165.99 at Palmetto State Armory, above August's low of $140.70, so a better deal may come back.
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Builds Featuring This Part
See all 2 →Builds in the community that include the FailZero Bolt Carrier Group With Hammer EXO Coated, Fits M16/4, Nickel - FZ-M164-01-SAH
| Build | Parts | Total |
|---|---|---|
 | 24 | $1902.64 |
| 25 | $3617.99 |
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