Product DescriptionThe TacFire BU30818 Rifle Upper Assembly is a complete AR-platform upper chambered in 308 Win and built for shooters seeking a ready-to-install upgrade. This fully assembled upper features an 18-inch black nitride barrel for durability, a 7075-T6 aluminum receiver with a black anodized finish, and an M-LOK handguard for accessory compatibility. Designed to mount to a compatible lower, it is optic ready and includes a Bolt Carrier Group for added convenience.Product Highlights Complete 308 Win rifle upper assembly built and ready to install on a compatible AR-platform lower 18-inch black nitride barrel helps provide durability, corrosion resistance, and reliable performance 7075-T6 aluminum receiver with black anodized finish offers strength in a lightweight platform M-LOK handguard allows flexible attachment options for modern shooting accessories Includes Bolt Carrier Group and features an A2 flash hider with optic-ready configuration Specs Brand: TacFire Manufacturer Part Number: BU30818 UPC: 729205515323 Product Type: Complete Rifle Upper Assembly Caliber: 308 Win Firearm Fit: AR-Platform Barrel Length: 18 in Barrel Length Range: 18 in to 18.99 in Barrel Finish: Black Nitride Receiver Material: 7075-T6 Aluminum Receiver Finish: Black Anodized Handguard: M-LOK Handguard Finish: Black Muzzle: A2 Flash Hider Sights: Optic Ready Included: Bolt Carrier Group Approximate Weight: 6.92 lbs 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.