FailZero FZ M16/M4 Bolt Carrier Group - Fully Assembled with EXO Nickel Boron Coating

FailZero Bolt Carrier Group With Hammer, Completely Assembled, EXO Coated, Fits M16/4, Nickel Finish FZ-M164-01-SAH The FailZero FZ M16/M4 Bolt Carrier Group (BCG) is designed for seamless installation in most mil-spec M16, M4, and AR15 upper receivers. This BCG arrives fully assembled, allowing for quick and efficient upgrades or replacements in your firearm. Its critical components are coated with FailZero*s proprietary EXO Nickel Boron technology, which offers permanent dry lubricity, exceptional durability, and enhanced wear and corrosion resistance. This coating ensures the BCG maintains optimal performance even under demanding conditions, reducing maintenance needs and extending service life. The FZ M16/M4 BCG is engineered to meet the highest standards of reliability and precision, making it an ideal choice for both tactical and recreational shooters who demand consistent performance. Whether you're upgrading your rifle or building a new one, this BCG provides the durability and reliability that your firearm requires for optimal functioning. The bolt carrier group*s design ensures smooth cycling, reduced fouling, and easy cleaning, contributing to overall firearm longevity and performance. Features: * Fully assembled for quick installation and reliable operation * EXO Nickel Boron coating provides permanent dry lubricity and corrosion resistance * Designed for compatibility with most mil-spec M16, M4, and AR15 upper receivers * Enhanced durability reduces wear and extends service life * Improves firearm reliability and reduces maintenance needs