Product DescriptionThe Patriot Ordnance Factory P-415 complete upper is engineered for hard use across demanding environments, combining a piston-driven operating system with proven reliability-focused design upgrades. Chambered in .300 Blackout, this upper features a 10.50-inch black nitride barrel and an aluminum upper receiver with a durable black anodized finish. A free-floating 9-inch M-LOK handguard helps reduce overall size and weight while improving ergonomics and accessory mounting versatility. Built around POF's continuous product development, the P-415 platform incorporates E2 Extraction Technology and a modern free-float rail system to support consistent performance and shooter comfort.Product Highlights Piston-driven P-415 complete upper designed for reliable operation in harsh conditions .300 Blackout chambering paired with a 10.50-inch black nitride barrel for durability and corrosion resistance Free-floating 9-inch M-LOK handguard for modern accessory mounting and improved handling POF E2 Extraction Technology to enhance cycling reliability Aluminum upper receiver with black anodized finish for long-lasting wear protectionSpecs Brand Name: Patriot Ordnance Factory Model: P415 Complete Upper (Piston Driven) Caliber/Gauge: .300 AAC Blackout Barrel Length: 10.50 in Barrel Finish: Black Nitride Receiver Material: Aluminum Receiver Finish/Color: Black Anodized Handguard: 9 in M-LOK (free-floating) Firearm Fit: AR-15 Rate of Twist: 1:8 Overall Length: 28.4 in UPC: 847313015150 Manufacturer Part Number: 01515Disclaimer: 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.