Product DescriptionThe San Tan Tactical Enhanced Bolt Carrier Group (BCG) for AR-15 platforms chambered in 6mm ARC is built with quality American-made materials and precision machining. Featuring a durable black nitride finish, this enhanced BCG is designed to support smooth cycling and dependable performance for your 6mm ARC build.Product Highlights Enhanced AR-15 bolt carrier group designed for 6mm ARC builds Black nitride finish for improved durability and corrosion resistance Precision-machined for consistent fit and function Made with high-quality American materials and manufacturing standards Ideal upgrade or replacement BCG for 6mm ARC AR-15 rifles Specs Brand: San Tan Tactical Product Type: Enhanced Bolt Carrier Group (BCG) Platform: AR-15 Chambering/Compatibility: 6mm ARC Finish: Black Nitride Manufacturer Part Number: STT-Enhanced BCG-6ARC UPC: 680599034848 Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&&';;s manufacturer.