Product DescriptionThe ATI MilSport Complete AR-15 Upper in 300 Blackout is built for shooters seeking a compact upper assembly with a short 8.5-inch black nitride barrel and a sleek black finish. Designed around the popular 300 Blackout cartridge, this MilSport upper offers a practical option for AR-platform builds where compact size and caliber-specific performance are priorities. Its complete upper configuration and full-length top rail provide a strong foundation for optics and accessories while maintaining a streamlined, modern profile.Product Highlights Chambered in 300 Blackout for compatibility with a popular AR-platform caliber Features an 8.5-inch black nitride barrel for durability and corrosion resistance Complete AR-15 upper assembly offers a convenient solution for compatible rifle or pistol builds MilSport configuration with black finish for a clean, tactical appearance Full top Picatinny-style rail supports easy mounting of optics and accessories Specs Brand: ATI Model: MilSport Product Type: Complete AR-15 Upper Caliber: 300 Blackout Barrel Length: 8.50 in Barrel Finish: Black Nitride Color: Black MPN: ATI15MS300ML8 UPC: 810113113678 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.