The FailZero 6MM ARC Bolt Carrier Group is an essential component for your AR build, designed for optimal performance with 6MM ARC chambered upper receivers. This fully assembled BCG features a Nickel Boron finish, ensuring permanent dry lubricity and exceptional durability. Engineered to withstand rigorous conditions, it significantly enhances wear and corrosion resistance, making it a reliable choice for tactical shooting and competitive scenarios. With no hammer included, this BCG is perfect for those looking to build a customized setup tailored to their specific needs. Intended Use: Ideal for AR builds and tactical applications. Key Benefits: Provides long-lasting durability and reliable operation. Key Features: - Nickel Boron finish for enhanced performance - Fully assembled for easy installation - Compatible with Mil-Spec upper receivers - Designed specifically for 6MM ARC chambering Summary: Whether you are building a new AR or upgrading your existing setup, the FailZero 6MM ARC Bolt Carrier Group offers the reliability and performance you need for demanding shooting environments.