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
Available Merchants(6)
Prices checked
Stock Alert
Build history on GunPartPicker
Availability is good: it was in stock at one retailer or another nearly every time we checked in October 2026, but today none of the 6 retailers we track has it in stock right now. The best price crept up from $140.70 to $147.47 over October 2026. Listed prices start at $147.47 at BattleHawk Armory for when it comes back.
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Builds Featuring This Part
See all builds →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 | $1838.69 |
| 25 | $3706.83 |
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