Armed In Michigan© Armed In Michigan
45Deal ScoreIn Stock

Fail Zero AR-15 Complete Bolt Carrier Group 5.56 NATO Full Auto Carrier Nickel Boron Black Top Coat Finish

$137.12
Brand
FailZero
Color
Black
Caliber
5.56x45mm
Category
Gun Parts
Platform
AR-15
Gun Part Type
Bolt/BCG
UPC
94922014276
MPN
FZM16401NHBLACK

Overview

The FailZero M16/M4 Bolt Carrier Group comes fully assembled and ready to drop into most Mil-Spec AR-15 and M16/M4 upper receivers chambered in 5.56x45mm. Featuring a black finish, this bolt carrier group utilizes patented EXO Nickel Boron coating on critical components—including the bolt, extractor, bolt carrier, cam pin, carrier key, and firing pin—to deliver permanent dry lubricity, extreme durability, and enhanced resistance to wear and corrosion. The extractor hardware includes a heavy spring, silicone insert, and O-ring to provide optimal extraction tension.

Price & Stock History

Price — 90d
Listings In Stock — 30d

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Listings

About DealsGunsAmmo (DGA)

A price and stock aggregator built for a market the incumbents stopped improving.

We compare listings across dozens of retailers and normalize everything to true cost-per-round — not sticker price, not case-size guesswork.

Who we are

DealsGunsAmmo (DGA) is an independent data provider tracking price and stock across the ammo, firearm, and parts market — giving buyers and the industry an outside, macro-level view of where the market actually stands.

What we’re building

A data-driven platform meant to be the go-to spot for purchasing decisions — comparing offers across vendors and tracking price history, so you can read the market as a whole, not just one listing at a time.

Who we serveNOW

Today, we help buyers on their purchasing journey with price alerts and a real look at where prices have actually been.

LaterNEXT

Down the road, we plan to sell that same market data back to vendors — inventory demand, customer interest and sentiment, and competitive pricing.