Product DescriptionThe Noveske engraved mil-spec dust cover is a purpose-built ejection port cover kit for AR-15 platforms chambered in .300 Blackout. Designed to fit standard mil-spec upper receivers, this port door features a prominent "300 BLK" engraving on the outward-facing side for fast visual caliber identification. It is a practical upgrade for builders and shooters who want clean rifle organization, dependable fitment, and distinctive Noveske styling. The kit includes the dust cover, port door rod, spring, and clip for installation.Product Highlights Mil-spec AR-15 dust cover designed to fit standard mil-spec upper receivers Engraved "300 BLK" marking on the outward-facing side for quick caliber identification Complete ejection port cover kit includes dust cover, rod, spring, and clip Great for .300 Blackout rifle builds, upgrades, and replacement applications Noveske branded component with clean, functional styling for AR-platform rifles Specs Product Type: AR-15 ejection port cover kit / dust cover Platform Compatibility: AR-15 Receiver Compatibility: Standard mil-spec upper receivers Caliber Marking: .300 Blackout / 300 BLK Color: Black Included Components: Dust cover, port door rod, spring, clip Brand: Noveske Manufacturer Part Number: 05002580 UPC: 840906132869 Disclaimer: 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.