Elevate your AR-15 build with the Noveske N4 SPR Complete Upper in 6mm ARC, engineered for precision long-range shooting. This 4th Generation upper delivers exceptional accuracy and reliability, featuring an 18-inch stainless steel barrel optimized for the versatile 6mm ARC cartridge. Ideal for tactical enthusiasts and competitive shooters, it combines premium craftsmanship with suppressor-ready design to enhance your shooting experience without compromise. Key Features Precision Barrel: 18-inch 416R stainless steel with 1:7 twist rate and hand-polished match chamber for superior velocity and tight groupings at extended ranges. NSR-15 Handguard: 4th Gen free-floating M-LOK rail with Picatinny top rail, offering lightweight modularity and every-45-degree mounting positions for accessories. Ambidextrous Controls: Includes Noveske Love Handle charging handle with anti-rotation interface, ensuring smooth operation for left- or right-handed users. Complete Assembly: Comes fully equipped with DLC-coated bolt carrier group (full-auto compatible) and Pig Pen flash hider on 5/8x24 threads, ready to mount on any standard AR-15 lower. Durability: Armor Black Cerakote finish over billet 7075-T6 aluminum receiver for corrosion resistance and long-lasting performance in demanding conditions. Technical Specifications Cartridge: 6mm ARC (compatible with 6.5 Grendel bolts) Barrel Length: 18 inches Gas System: Rifle-length Twist Rate: 1:7 Muzzle Thread: 5/8x24 Handguard: NSR-15 M-LOK, free-floating BCG/Charging Handle: Included (phosphate-coated carrier, SAE 9310 bolt) Weight: Approximately 80 oz Finish: Black Cerakote Why Choose This Product The Noveske N4 SPR addresses common challenges in long-range AR-15 setups, such as inconsistent accuracy and heavy recoil, by providing a flat-shooting 6mm ARC platform with low recoil and excellent ballistic coefficients. Its serialized barrel ensures quality control, while the extended feed ramps and chrome-lined components promote reliable feeding and reduced wear. Shooters appreciate the suppressor compatibility, minimizing gas blowback during suppressed use. Built in the USA with attention to detail, this upper outperforms standard options, delivering sub-MOA potential to solve precision demands on the range or in the field. Ready to upgrade your rifle? This complete upper installs effortlessly, transforming your AR-15 into a high-performance precision tool. Secure yours today and experience the Noveske difference in accuracy and craftsmanship.