Product DescriptionComplete your AR-10 bolt carrier with the Bootleg .308 AR Carrier Completion Kit, built with premium, hard-wearing materials for dependable performance. This kit includes a phosphate (phosphorus) coated 9310 steel bolt designed for durability and corrosion resistance, a forged 4340 steel cam pin for excellent toughness and wear resistance, a 4140 steel firing pin for consistent ignition, and a 1038 steel wire firing pin retaining pin for added strength. Ideal for finishing or upgrading a compatible AR-10/.308 carrier assembly.Product Highlights Designed to complete a compatible AR-10/.308 bolt carrier assembly 9310 steel bolt with phosphate (phosphorus) coating for durability and corrosion resistance Forged 4340 steel cam pin for outstanding toughness and wear resistance 4140 steel firing pin for reliable ignition 1038 steel wire firing pin retaining pin for strength and resilienceSpecs Brand: Bootleg Product Type: AR-10/.308 bolt carrier completion kit Compatibility: Fits AR10 Bolt Material: 9310 steel Bolt Finish: Phosphate (phosphorus) coated Cam Pin Material: Forged 4340 steel Firing Pin Material: 4140 steel Firing Pin Retaining Pin Material: 1038 steel wire Manufacturer Part Number: BP-ABC-P30 UPC: 850008671012Disclaimer: 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.