Noveske AR-15 N4 Lo-Pro A3 Upper Receiver Assembly 300 AAC Blackout

Product #: 544805 Noveske #: U-16-300BLK-N
$1,371.15
Status:
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Product Information

This Noveske N4 Lo-Pro Complete AR-15 Upper Assembly is chambered in 300 AAC Blackout and comes fully assembled and ready to drop onto any standard lower receiver. It comes equipped with one of Noveske's legendary Stainless Steel Match Barrels featuring polygonal rifling with a 1 in 7" twist, M4 feed ramps, 5/8"-24 muzzle threads, and a non-glare, bead-blasted finish. Additional features include a Noveske-marked BCM Gunfighter charging handle, a pinned low profile gas block and an AAC 51-T Blackout Flash Hider. The upper's Pistol Length Gas System provides optimal reliability with subsonic 300 AAC Blackout ammunition while suppressed and supersonic ammunition while unsuppressed. While supersonic ammunition may also function with a sound suppressor installed, subsonic ammunition fired without a sound suppressor may cause cycling problems.

The N4 Lo-Pro upper includes a 13.5" long Noveske NSR-13.5 handguard with the proprietary KeyMod rail system and, with an outside diameter of only 1.48" (without accessories attached), is one of the slimmest, lightest, customizable handguards available for the AR-15 platform. The NSR free floats the barrel for greater accuracy potential and provides a full length, continuous top rail for the addition of optics and/or accessories (additional add-on rail sections sold separately). KeyMod accessories are quick and easy to install along the handguard's length, and don't require that the NSR be removed from the upper in order to attach or detach them. All KeyMod system accessories use captured backing plates that are inserted into an unused key-slot hole and then tightened into place via an allen wrench, eliminating the tedious and frustrating procedure of fishing separate backer plates down the interior of a handguard and securing them with loose fasteners like most competing modular forearm designs.

Technical Information
  • Upper Receiver: A3 Flat-Top
  • Barrel Length: 16"
  • Barrel Contour: Medium
  • Barrel Material: 416R Stainless Steel
  • Muzzle Thread Pattern: 5/8"-24
  • Chrome Lined: No
  • Barrel Finish: Bead-Blasted Satin Grey
  • Twist Rate: 1 in 7" Polygonal
  • Chamber: 300 AAC Blackout
  • M4 Feed Ramps: Yes
  • Muzzle Device: AAC Blackout 51-T Flash Hider
  • Gas System Length: Pistol
  • Gas Block Diameter: 0.750"
  • Handguard: NSR-13.5, Free Float
  • Sights: None
  • Bolt Carrier Assembly Included: Yes
  • Bolt Carrier Type: Mil-Spec
  • Extras: BCM Gunfighter Charging Handle (Noveske Marked)
  • Weight: 4 lbs, 8.7 oz

Technical Notes
  • Optimal performance achieved w/Subsonic ammo & sound suppressor, or Supersonic ammo unsuppressed
  • Supersonic ammo suppressed will cycle reliably, Subsonic ammo unsuppressed may cause cycling issues
  • Compatible with all standard AR-15 magazines, including Magpul Pmags (not included)

Please Note: Installation of AR-15 upper assemblies with certain features including, but not limited to: flash hiders, bayonet lugs, and threaded muzzles may violate state and/or local laws.

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