Product DescriptionThe Noveske N4 Recon 16" Upper is a complete AR-15 upper receiver assembly chambered in 5.56mm and built for shooters who want premium accuracy, durability, and suppressor-ready performance. It features a 16" 416R stainless steel barrel with a 1:7 twist, a mid-length gas system, and a hand-polished Noveske Match Chamber for enhanced precision and reliable feeding. Additional performance details include extended hand-polished feed ramps, a pinned low-profile gas block, and 1/2"-28 muzzle threads fitted with a Noveske Pig Pen muzzle device. The assembly is built around a 4th-generation billet 7075-T6 aluminum upper receiver and a 15" NSR free-floating M-LOK handguard with a continuous Picatinny top rail. This upper also includes an ambidextrous charging handle and a full-auto bolt carrier group, making it a well-equipped option for serious range use, duty setups, or suppressed rifle builds.Product Highlights 16 inch 416R stainless steel barrel chambered in 5.56mm with a fast 1:7 twist for broad projectile compatibility Mid-length gas system with pinned low-profile gas block for dependable cycling and refined handling Hand-polished Noveske Match Chamber and extended polished feed ramps designed to support smooth, consistent performance 15 inch NSR free-floating M-LOK handguard with continuous Picatinny top rail for optics and accessory mounting Includes Noveske Pig Pen muzzle device, ambidextrous charging handle, and full-auto bolt carrier group Specs Product Type: Complete upper receiver Platform: AR-15 Caliber: 5.56mm Barrel Length: 16" Barrel Material: 416R stainless steel Twist Rate: 1:7 Gas System: Mid-length Gas Block: Pinned low-profile Chamber: Noveske Match Chamber, hand-polished Feed Ramps: Extended, hand-polished Muzzle Thread Pitch: 1/2"-28 Muzzle Device: Noveske Pig Pen Suppressor Compatible: Yes Receiver Generation: Gen 4 Receiver Material: Billet 7075-T6 aluminum Handguard Length: 15" Handguard Type: NSR free-floating M-LOK Top Rail: Continuous Picatinny Charging Handle: Ambidextrous Bolt Carrier Group: Full-auto Color: Black UPC: 840906135877 MPN: 03002556 Brand: Noveske 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.