Advanced Armament Co (AAC) AR-15 A3 Upper Receiver Assembly 300 AAC Blackout

Product #: 913093 AAC #: 101716 UPC #: 847128006831
$1,079.99
Status:
Date expected in stock: 09/23/2014

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Product Information

This Advanced Armament Corp. AR-15 Upper Receiver Assembly in 300 AAC Blackout is a pin-on, ready-to-shoot top end for use with any standard AR-15 lower receiver. The Mil-Spec 4150 chrome moly vanadium steel barrel comes equipped with 1 in 7" twist rifling, M4 feed ramps, a low profile steel gas block, and is finished inside and out with a protective black nitride treatment for superior durability and corrosion resistance. The muzzle is threaded with a 5/8"-24 pitch for easy installation of a silencer, and is topped off with an effective AAC 51T Blackout flash hider.

The upper features a forged M4-Style flat-top receiver onto which a Knight's Armament free floating URX 3.1 Quad Rail System is rigidly attached. The heat-treated, full auto bolt carrier is finished in a slick Nickel Boron coating, and comes equipped with a properly-staked gas key and Carpenter 158 steel bolt assembly.

This 16" 300 Blackout upper utilizes the versatile carbine length gas system, a good choice for this cartridge if various weights and types of ammunition are to be used. Most subsonic and supersonic loads, fired from either a suppressed or unsuppressed gun, are compatible with this configuration. However, some subsonic ammunition may not always cycle reliably under adverse conditions or in a severely fouled firearm without a sound suppressor attached to provide extra backpressure.

Technical Information
  • Upper Receiver: A3 Flat-Top
  • Barrel Length: 16"
  • Barrel Contour: Medium
  • Barrel Material: 4150 Chrome Moly Vanadium Steel
  • Muzzle Thread Pattern: 5/8"-24
  • Chrome Lined: No
  • Barrel Finish: Black Nitride / Melonite
  • Twist Rate: 1 in 7"
  • Chamber: 300 AAC Blackout
  • M4 Feed Ramps: Yes
  • Muzzle Device: AAC 51-T Blackout Flash Hider
  • Gas System Length: Carbine
  • Gas Block Diameter: 0.750"
  • Handguard: Knight's Armament URX 3.1 Quad Rail, Free Float
  • Sights: None
  • Bolt Carrier Assembly Included: Yes
  • Bolt Carrier Type: Mil-Spec, Nickel Boron Finish

Additional Technical Information
  • Suitable for use with Subsonic or Supersonic loads, either Suppressed or Unsuppressed
  • Compatible with all standard AR-15 magazines, including Magpul Pmags (Not Included)
  • 5.32 lbs


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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