Product DescriptionThe Noveske N4 Infidel Complete Upper Receiver is built for shooters who want a premium 5.56 NATO upper with compact handling and high-end construction. This 13.7 inch configuration features a 416R stainless steel barrel with a 1:7 twist, a mid-length gas system, and a permanently pinned and welded Noveske KX3 flash suppressor. It is built around a 4th generation billet 7075-T6 aluminum upper receiver and paired with a 15 inch NSR free-floating M-LOK handguard with a continuous top rail for optics, lights, and accessories. Additional performance-focused details include extended feed ramps, a pinned low-profile gas block, a Noveske Love Handle ambidextrous charging handle, and a full-auto bolt carrier group, making this complete upper a strong choice for serious AR-platform builds.Product Highlights 13.7 inch 416R stainless steel barrel chambered in 5.56 NATO with a 1:7 twist for broad ammunition compatibility Pinned and welded Noveske KX3 flash suppressor delivers a 16 inch overall barrel length configuration Gen 4 billet 7075-T6 aluminum upper receiver matched with a 15 inch NSR free-floating M-LOK handguard Mid-length gas system with pinned low-profile gas block helps support reliable cycling and balanced recoil impulse Includes a Noveske Love Handle ambidextrous charging handle and full-auto bolt carrier group for a complete upper assembly Specs Brand: Noveske Manufacturer Part Number: 03002553 UPC: 840906135723 Product Type: Complete Upper Receiver Caliber: 5.56 NATO Barrel Length: 13.7 in Overall Barrel Length Configuration: 16 in OAL 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 Muzzle Device: Noveske KX3 Flash Suppressor, permanently pinned and welded Thread Pitch: 1/2x28 Receiver Material: Billet 7075-T6 Aluminum Receiver Generation: Gen 4 Handguard: 15 in NSR Free-Floating M-LOK Top Rail: Continuous Picatinny Rail Charging Handle: Noveske Love Handle, ambidextrous Bolt Carrier Group: Full-Auto Finish/Color: Black Cerakote Platform Fit: AR-15 pattern rifles 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.