FailZero M16/M4 Bolt Carrier, No Hammer, EXO Nickel Boron - FZ-M164-01-NH-MATTE
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FailZero
Overview
The FailZero M16/M4 Bolt Carrier is designed specifically for the 5.56 NATO caliber, featuring a durable Nickel Boron finish that enhances corrosion resistance and reduces friction for smoother operation. This M16-style bolt carrier is an essential component of your AR-15 build, ensuring reliable cycling and improved overall performance during high-volume shooting. Builders often incorporate this bolt carrier into precision-oriented setups, where reliability and ease of maintenance are paramount.
Specifications
FailZero M16/M4 Bolt Carrier, No Hammer, EXO Nickel Boron - FZ-M164-01-NH-MATTE
Available Merchants(5)
Prices checked
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Build history on GunPartPicker
Builders on GunPartPicker first added the FailZero M16/M4 Bolt Carrier, No Hammer, EXO Nickel Boron - FZ-M164-01-NH-MATTE to a build in April 2026.
Availability is good: it was in stock at one retailer or another nearly every day in September 2026, but today none of the 5 retailers we track has it in stock right now. The best price drifted down from $142.06 to $135.63 over September 2026 without a real sale. Listed prices start at $134.65 at BattleHawk Armory for when it comes back.
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