Product DescriptionThe Strike Ultimate Dust Cover with Capsule Design is a lightweight, durable polymer ejection-port cover built for AR-10 / .308 platforms. Designed to improve fit and function over traditional metal dust covers, it features an adjustable detent set screw to help compensate for receiver wear and to fine-tune opening power. The set includes the dust cover, spring, and pin for installation.Product Highlights Adjustable detent set screw helps tune opening tension and compensate for receiver wear Capsule-style design with a sealed internal lip for a tighter port seal than traditional covers High-density, lightweight polymer construction designed to resist corrosion, rust, and bending Spring-loaded internal detent rod design supports easier installation and take-down Includes dust cover, spring, and pin for AR-10/.308 buildsSpecs Brand: Strike Manufacturer Part Number: ARUDCE30803BK UPC: 700598350661 Platform: AR-10 / .308 Design: Capsule Material: Polymer Color: Black Overall Length: 3.46 in Included: Dust cover, spring, pinDisclaimer: 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.