Noveske Rifleworks N4 SPR SS 6mm ARC Complete Upper Receiver - 18" - FDE

The Noveske Rifleworks N4 SPR complete AR-15 upper receiver is ideal for use on a precision rifle build. This 6mm ARC upper features an 18" 416R Stainless Steel barrel with a 1 in 7 rate of twist, rifle-length gas system, and a 5/8x24 threaded muzzle with a Noveske Pig Pen suppressor-compatible muzzle device. The 4th Gen Noveske 15" free-float M-LOK handguard is Flat Dark Earth Cerakoted for corrosion resistance and features a full-length Picatinny top rail. This AR-15 upper receiver is made in the United States.

Features:

• 6mm ARC AR-15 upper receiver
• Barrel length: 18"
• Rate of twist: 1 in 7
• Barrel construction: 416R Stainless Steel
• Hand-polished Noveske Match chamber
• Low-profile .750" gas block, pinned
• M4 barrel extension with polished feed ramps
• Gas system: rifle-length
• Noveske Pig Pen suppressor compatible muzzle device
• FDE Cerakote finish
• Ambidextrous charging handle
• 15" 4th Generation NSR free-float M-LOK handguard