Product DescriptionThe KAK Industry Carrier Completion Kit is designed to help finish or service an AR-15 bolt carrier group with quality, mil-spec style components. This chrome-finish kit includes a hard chrome 4140 steel cam pin, a chrome-plated 8740 steel firing pin, and a phosphate-coated retaining pin for dependable fit and function.Product Highlights AR-15 carrier completion kit for bolt carrier group assembly and maintenance 4140 steel cam pin with hard chrome finish for durability and smooth operation 8740 steel firing pin with chrome plating for corrosion resistance Includes mil-spec phosphate coated firing pin retaining pin Ideal replacement parts set for keeping your AR-15 running reliablySpecs Brand: KAK Industry Product Type: Carrier Completion Kit Platform Compatibility: AR-15 Finish/Color: Chrome finish (silver) Included Components: Cam pin, firing pin, retaining pin Cam Pin Material/Finish: 4140 steel, hard chrome finish Firing Pin Material/Finish: 8740 steel, chrome plated Retaining Pin Finish: Mil-spec phosphate coated Manufacturer Part Number: 304-1010-003 UPC: 811163035804Disclaimer: 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.