Fail Zero BCG 6.8 SPC EXO Nickel Boron

Description

The Fail Zero Assembled Bolt Carrier Group is a complete, drop‑in BCG intended for AR‑15 platform uppers chambered in 6.8 SPC. Critical components are finished with EXO Nickel Boron to provide durable dry lubricity, improved corrosion resistance, and easier cleaning. The assembly includes the bolt, extractor, cam pin, carrier key and firing pin and is built on an M16 cut carrier. Manufacturer notes indicate compatibility with 6.8 SPC II and 224 Valkyrie.

Key Specifications

• The model is a Bolt Carrier Group configured for AR‑15 use.
• Compatible with 6.8 SPC chambered Mil‑Spec uppers.
• Critical components are finished with EXO Nickel Boron for dry lubricity and corrosion resistance.
• The bolt and extractor are 6.8 SPC compatible and include enhanced extractor hardware with a heavy spring, silicone insert and o‑ring.
• Constructed from steel for strength and durability.
• The carrier uses an M16 cut bolt carrier design.
• Includes cam pin, carrier key and firing pin as part of the assembled group.
• Manufacturer lists external dimensions of approximately 1.55 x 3.80 x 10.50 inches.
• Manufacturer notes compatibility with 6.8 SPC II and 224 Valkyrie.

This assembled BCG delivers a maintenance‑friendly finish and a straightforward install path for 6.8 SPC builds. Its EXO Nickel Boron treatment reduces the need for heavy lubrication while helping maintain consistent function and easier cleaning for regular range use or precision applications.