Fail Zero BCG .450 Bushmaster – Assembled

Description

The Fail Zero Assembled Bolt Carrier Group is supplied fully assembled for drop-in installation in most mil-spec .450 Bushmaster upper receivers. Critical components are treated with EXO Nickel Boron to provide durable, low-friction surfaces and increased corrosion resistance. The assembly includes the bolt and extractor, which are listed as compatible with both .458 SOCOM and .450 Bushmaster. This BCG is intended for builders and shooters who need a ready-to-install carrier group finished for improved wear characteristics.

Key Specifications

• Compatible with mil-spec .450 Bushmaster upper receivers for straightforward installation.
• Critical components are treated with EXO Nickel Boron to reduce friction and resist corrosion.
• Includes bolt, extractor, bolt carrier, cam pin, carrier key, and firing pin as a complete assembly.
• Bolt and extractor are compatible with .458 SOCOM and .450 Bushmaster.
• Constructed from steel for strength and durability.
• Designed as a drop-in installation for most mil-spec .450 Bushmaster uppers.
• Finish is listed as Nickel Boron (EXO Nickel Boron treated).
• Package dimensions are 1.70 x 3.80 x 10.65 inches.
• Product type is a Bolt Carrier Group.
• Configuration includes No Hammer as noted in product attributes.

Built to simplify assembly and improve long-term function, this Fail Zero BCG pairs a comprehensive parts set with a durable Nickel Boron treatment. Its ready-to-install form and reduced-friction surfaces make it a practical choice for builders and technicians seeking reliable, low-maintenance operation in .450 Bushmaster platforms.