Product Description The TacFire BU30016 rifle upper assembly is a complete, ready-to-install AR-platform upper chambered in .300 Blackout with a 16-inch black nitride barrel. Built around a black anodized 7075-T6 aluminum upper receiver and paired with an M-LOK handguard, it&&';;s designed to provide a durable, modern mounting interface for accessories. This upper ships complete with a bolt carrier group so you can quickly upgrade or build out a .300 Blackout upper for your compatible lower receiver. Product Highlights Complete AR-platform upper assembly chambered in .300 Blackout for versatile performance 16-inch black nitride-finished barrel for corrosion resistance and extended service life Black anodized 7075-T6 aluminum receiver for strength with reduced weight M-LOK free-float handguard provides flexible accessory mounting and improved handling Includes bolt carrier group (BCG) for a more complete, ready-to-run upper setup Specs Brand: TacFire Manufacturer Part Number: BU30016 UPC: 729205501050 Platform Fit: AR-Platform Caliber: .300 Blackout / .300 AAC Blackout Barrel Length: 16 in Barrel Finish: Black Nitride Twist Rate: 1:8 Receiver Material: 7075-T6 Aluminum Receiver Finish: Black Anodized Handguard: M-LOK free-float (15 in) Gas System: Pistol length with 0.750 low-profile gas block Muzzle: A2 flash hider; threaded 5/8x24 Sights: Optic ready Included: Bolt Carrier Group (BCG) Approx. Weight: 4.84 lb Approx. Dimensions: 26.2 in (L) x 3.2 in (W) x 3.2 in (H) 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.