Noveske AR-15 N4 SPR Upper Receiver Assembly 6mm ARC 18" Barrel NSR-15 M-LOK Handguard Black

Engineered for precision shooters and tactical professionals alike, the Noveske N4 SPR 6mm ARC complete upper delivers superior accuracy, durability, and reliability in a sleek black finish. Anchored by an 18" 416R stainless steel match barrel with 3-land rifling and a hand-polished Noveske Match Chamber, this upper is built for serious long-range performance. The rifle-length gas system, pinned low-profile gas block, and suppressor-ready Pig Pen muzzle device ensure smooth operation and versatility in any environment. The Gen 4 billet receiver and 15" NSR M-LOK handguard create a rigid, free-floating platform that maximizes accuracy and accessory compatibility. With enhanced feed ramps, a DLC-coated bolt, and ambidextrous charging handle, this upper is combat-ready straight out of the box. Specifications: Caliber: 6mm ARC Barrel: 18a ^2 416R Stainless Steel, 1:7 twist, 3-land and groove rifling Gas System: Rifle-length with pinned low-profile .750" gas block Chamber: Hand-polished Noveske Match Chamber Muzzle: 5/8A-24 threads with Noveske Pig Pen suppressor-compatible device Barrel Extension: M4 with extended hand-polished feed ramps Upper Receiver: Gen 4 billet 7075-T6 aluminum, hardcoat anodized + black Cerakote Forward Assist: Noveske-marked, black nitride finish Charging Handle: Noveske Love Handle ambidextrous BCG: Full-auto rated, chrome-lined carrier with properly staked gas key Bolt: DLC-coated 9310 steel, compatible with 6mm ARC/6.5 Grendel Handguard: 15a ^2 Gen 4 NSR M-LOK with 1913 Picatinny top rail, 45Adeg M-LOK slots Barrel Nut: Lightweight American-made steel Get it at ARMSAGORA's retailers!