FailZero EXO 450 Bushmaster AR-15 Bolt Carrier Group - Nickel Boron

Not all Nickel Boron is created equal, and FailZero is the undisputed pioneer of Nickel Boron technology. The .450 Bushmaster Bolt Carrier Group is fully assembled and drop-in ready for most mil-spec upper receivers, with all critical parts coated in EXO Nickel Boron.

Features:

• M16 cut carrier
• Bolt and extractor compatible with .450 Bushmaster and .458 SOCOM
• Carpenter 158 steel bolt, 8620 Carpenter steel carrier
• EXO Nickel Boron coating on bolt, extractor, bolt carrier, cam pin, carrier key, and firing pin
• Magnetic particle inspected
• Live fire tested

This patented Nickel Boron coating provides permanent dry lubricity, extreme durability, and increased wear and corrosion resistance, reducing friction and improving overall rifle performance.

Note: this BCG may ship with either a dark FailZero logo or a subdued lasered FailZero logo.

FailZero is the pioneer of Nickel Boron coating technology for firearm components, delivering permanent dry lubricity and extreme wear and corrosion resistance across their bolt carrier group line.