Product Summary
The FailZero AR-15 Bolt Carrier Group is engineered for 6.8 SPC and 6.8 SPC II cartridges, offering a reliable drop-in solution for most Mil-Spec upper receivers. Each component is treated with EXO Nickel Boron technology, which provides permanent dry lubricity and superior resistance against wear and corrosion. The assembly features enhanced extractor hardware, including a heavy spring silicone insert and o-ring for improved extraction tension. Built from durable 8620 steel, this BCG is designed to improve rifle performance while ensuring easy cleanup for the shooter.
