Noveske N4 Complete Upper Receiver 6mm ARC - 14.5" DDF SS Pinned Barrel - Black

Noveske N4 Complete Upper Receiver 6mm ARC - 14.5" DDF SS Pinned Barrel - Black

Born from cutting-edge research and battlefield-proven innovation, the Noveske 6mm ARC Rifle System is a masterclass in performance, durability, and tactical engineering. Designed for shooters who demand uncompromising accuracy and reliability, this rifle features the revolutionary Disruptive Deep Fluting (DDF) barrel contour — a breakthrough in wave suppression and thermal management. Every component, from the serialized 416R stainless barrel to the billet-machined 7075-T6 upper receiver, is crafted to exceed expectations in the harshest environments. Whether you're engaging targets at distance or pushing through high-volume drills, this system delivers precision, longevity, and control like no other.

Disruptive Deep Fluting (DDF) Barrel
Reduces blast wave and resonance events for improved accuracy, faster cooling, and extended barrel life.

Hand-Polished Noveske Match Chamber
Precision-machined for optimal 6mm ARC performance and consistent projectile alignment.

Pinned Low-Profile Gas Block
Noveske-marked, .9375” journal, securely mounted for consistent gas flow and durability.

Billet 7075-T6 Upper Receiver
4th Gen precision-machined with extended feed ramps and anti-rotation interface for rugged reliability.

DLC Coated Bolt
Made from SAE 9310 steel, compatible with 6mm ARC and 6.5 Grendel, heat-treated for strength and longevity.

NSR-10.75” Free-Floating Handguard
M-LOK slots every 45° and full-length 1913 top rail for modular accessory mounting.

Specifications

• Caliber: 6mm ARC
• Barrel Length: 14.5”
• Barrel Material: 416R stainless steel
• Twist Rate: 1:7, 3 land and groove
• Barrel Contour: Extra Thicc with Disruptive Deep Fluting (DDF)
• Gas System: Mid-length
• Gas Block: Low-profile, .9375” journal, pinned
• Feed Ramps: Extended, hand-polished M4 barrel extension
• Muzzle Device: Noveske Pig Pen suppressor-compatible
• Upper Receiver: 4th Gen billet 7075-T6 aluminum
• Finish: Type III hardcoat anodized + Armor Black Cerakote
• Forward Assist: Black nitride Noveske marked
• Charging Handle: Noveske Love Handle ambidextrous
• Bolt Carrier Group: Phosphate coated, full auto compatible, chrome-lined bore and key
• Gas Key Bolts: Grade 8, properly staked, American made
• Bolt: DLC coated, SAE 9310 steel, heat-treated, 6mm ARC/6.5 Grendel compatible
• Handguard: NSR-10.75” (M-LOK), free-floating
• Mounting System: M-LOK every 45°, 1913 picatinny top rail
• Barrel Nut: Lightweight American-made steel