Product DescriptionThe LUTH-AR UR-01-M16-A A1 Upper Receiver is built for M16 platform applications and is designed for .223 Remington and 5.56mm use. This A1-style upper receiver features aluminum construction for strength with reduced weight, along with a black hardcoat anodized finish for added durability and corrosion resistance. Ideal for rifle builds, restorations, or replacement projects, this receiver delivers the classic A1 profile while offering the dependable material and finish standards serious builders look for.Product Highlights A1-style upper receiver designed for M16 platform compatibility Built from aluminum for a strong, lightweight construction Black hardcoat anodized finish helps resist wear and corrosion Supports .223 Remington and 5.56mm applications Great choice for replacement builds, retro-style projects, and firearm customization Specs Product Type: A1 Upper Receiver Platform: M16 Caliber: .223 Remington / 5.56mm Material: Aluminum Finish: Black Hardcoat Anodized MPN: UR-01-M16-A UPC: 812058033653 Brand: LUTH-AR 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.