
Fail Zero 450 Bushmaster BCG – EXO Nickel Boron | .450 BM / .458 SOCOM Compatible
Heavy-Hitting Reliability. Built Fail Zero Tough.
The Fail Zero 450 Bushmaster Bolt Carrier Group is the premium upgrade for your .450 Bushmaster AR or .458 SOCOM upper, delivering unmatched reliability, cleaner operation, and enhanced wear resistance in one drop-in ready package. Purpose-built for big-bore AR builds, this BCG is engineered to handle the high pressures and heavy recoil of large-caliber rounds—round after round.
Each critical component is coated with Fail Zero’s proprietary EXO Nickel Boron (NiB) technology, offering permanent dry lubricity, reduced carbon buildup, and extreme corrosion resistance. Whether you're hunting hogs or building a backcountry brush gun, this BCG keeps your rifle running hard when it matters most.
⚙️ Key Features:
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✅ Compatible with .450 Bushmaster & .458 SOCOM Uppers
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✅ Drop-In Ready for Mil-Spec AR-15 Upper Receivers
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✅ EXO Nickel Boron Coating – Friction-free performance with permanent dry lubricity
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✅ Bolt & Extractor Optimized for Big Bore Rounds – Enhanced strength and durability
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✅ Nickel Boron Treated Components:
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Bolt & Extractor (.450 BM / .458 SOCOM compatible)
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Bolt Carrier
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Cam Pin
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Carrier Key
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Firing Pin
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✅ Extreme Wear & Corrosion Resistance – Handles harsh field conditions with ease
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✅ Ideal for Hunting, Defense, or Tactical Use – Engineered for hard-hitting AR platforms
🦌 Built for Big-Bore Power and Rugged Conditions
The Fail Zero 450 Bushmaster BCG is built for shooters who need maximum stopping power and fail-proof performance from their AR. Whether you're using it for large game hunting, suppressed setups, or a tactical brush rifle, this BCG delivers smoother cycling, easier cleaning, and extended service life—even when running dirty or suppressed.
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