Product DescriptionThe DPMS DP-10/AR-10 .308 Nitride Bolt Carrier Group is built for reliable cycling and long-lasting wear resistance in .308 AR platforms. It features a durable 9310 steel bolt assembly with extra-strength extractor springs, paired with an 8620 steel carrier1both nitride treated for enhanced durability and easier maintenance. A nitride treated gas key is properly staked and secured with Grade 8 fasteners for dependable operation under demanding use.Product Highlights AR-10/DP-10 pattern .308 bolt carrier group for OEM-style replacement or builds 9310 steel bolt assembly with extra-strength extractor springs for improved extraction 8620 steel carrier with nitride treatment for durability and smoother cleaning Nitride treated gas key properly staked for secure, consistent function Grade 8 gas key fasteners for robust, duty-ready reliabilitySpecs Brand: DPMS PANTHER ARMS Product Type: Bolt Carrier Group (BCG) Platform: DP-10 / AR-10 Caliber: .308 Bolt Material: 9310 steel Carrier Material: 8620 steel Finish/Treatment: Nitride treated (bolt, carrier, and gas key) Gas Key: Properly staked; secured with Grade 8 fasteners Extractor Springs: Extra-strength Manufacturer Part Number: DP51655141280 UPC: 810141220126Disclaimer: 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 products manufacturer.