Product DescriptionThe Aim Sports ARDCA Dust Cover Assembly is a Mil-Spec ejection port cover designed for AR-15/M4 upper receivers. This complete assembly helps protect your action from debris and includes the key components needed for installation: cover, spring, rod, and C-clip.Product Highlights Mil-Spec dust cover assembly for AR-15/M4 ejection ports Complete kit includes cover, spring, rod, and C-clip Black finish to match common AR-15 upper receiver builds Designed for AR-15 platform upper receivers Ideal replacement or build part for AR-15/M4 uppersSpecs Brand: Aim Sports Product Type: Dust Cover Assembly (Ejection Port Cover) Compatibility: Mil-Spec AR-15/M4 upper receivers Color: Black Included Components: Cover, spring, rod, C-clip Length: 3.10 in Manufacturer Part Number: ARDCA UPC: 815879018830Disclaimer: 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.