Product DescriptionThe LanTac 5.56 Enhanced Bolt Carrier Group (BCG) is built with high-quality components and precise manufacturing to help maintain or upgrade your AR-15. Finished in black nitride for improved durability, this enhanced carrier group is designed to deliver long-term reliability and consistent performance you can count on.Product Highlights Enhanced 5.56/.223 bolt carrier group engineered for dependable cycling in AR-15 platforms Black nitride finish for a durable, smooth-operating surface and long service life Precision manufacturing and tight tolerances for reliable function Durable construction intended for hard use and extended round counts Designed to support long-term reliability in maintenance and upgrade buildsSpecs Brand: LanTac USA LLC Product Type: Bolt Carrier Group (BCG) Caliber: 5.56 NATO / .223 Remington Platform Fit: AR-15 Finish: Black Nitride (Salt Bath / QPQ Nitride) Color: Black Manufacturer Part Number: 01-UP-556-NIT-EBCG UPC: 712038709168Disclaimer: 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.