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Originally launched in 2009, FailZero combines the world's best Nickel Boron (NiB) coating with high-quality Mil-Spec components to provide customers with the best bolt carrier group (BCG) they can buy. FailZero's parent company, UCT Coatings, Inc., developed a patented NiB formulation and proprietary processes that create the highest boron content in the industry. FailZero guarantees their NiB coating has the highest boron content and is the most consistent and dependable quality finish on the market that pairs easily with quality Mil-Spec components that are only made in the USA for durable and reliable rifle parts fit for any build. At GunMag Warehouse, we have almost everything you need to complete your next build including barrels, drop-in triggers, upper and lower parts, and so much more. Shop our full selection of FailZero and other firearm parts today and save big!

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