Product Description The Noveske N4 Afghan 14.5 inch complete upper receiver is built for shooters who want premium materials, precision machining, and suppressor-ready performance in a refined AR-platform upper. Chambered in 5.56mm, this upper features a 14.5 inch 416R stainless steel barrel with a 1:7 twist rate, a hand-polished Noveske Match Chamber, and extended feed ramps for dependable feeding and accuracy. A mid-length gas system and pinned low-profile gas block help deliver smooth operation, while the Noveske Pig Pen muzzle device is permanently pinned and welded to bring the overall barrel length to 16 inches. This upper is built around a 4th generation billet 7075-T6 aluminum receiver and is paired with a 13.5 inch NSR free-floating M-LOK handguard. The handguard includes a continuous Picatinny top rail for flexible accessory and optic mounting. Additional premium components include an ambidextrous charging handle and a full-auto bolt carrier group, making this a feature-rich upper assembly designed for hard use, modern accessory compatibility, and excellent overall balance. Product Highlights 14.5 inch 416R stainless steel barrel chambered in 5.56mm with a 1:7 twist for versatile projectile stabilization Hand-polished Noveske Match Chamber and extended feed ramps help support reliable cycling and precise performance Mid-length gas system with pinned low-profile gas block for smooth function and a clean, streamlined profile Pig Pen suppressor-compatible muzzle device is permanently pinned and welded for a 16 inch overall barrel length 13.5 inch NSR free-floating M-LOK handguard with continuous Picatinny top rail for modern accessory mounting Specs Brand: Noveske Manufacturer Part Number: 03002555 UPC: 840906135822 Product Type: Complete upper receiver assembly Model: N4 Afghan Caliber: 5.56mm Barrel Length: 14.5 in Overall Barrel Length: 16 in with pinned and welded muzzle device Barrel Material: 416R stainless steel Twist Rate: 1:7 Gas System: Mid-length Gas Block: Pinned low-profile gas block Chamber: Noveske Match Chamber, hand-polished Feed Ramps: Extended feed ramps Muzzle Device: Noveske Pig Pen, suppressor-compatible, pinned and welded Upper Receiver Material: 7075-T6 billet aluminum Receiver Generation: Gen 4 Handguard: 13.5 in NSR free-floating M-LOK Top Rail: Continuous Picatinny rail Charging Handle: Ambidextrous Bolt Carrier Group: Full-auto 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.