Up for sale is a Like new in box Advanced Armament 300 Blackout upper. It’s in excellent/like new condition. 16" barrel with AAC flash hider/ surpressor mount. Includes NiB BCG, Newest generation Knights URX 3.1 13.5 rail and charging handle.
This was almost $1100 new Asking $675 for quick sale SOLD
Here is Link to description and details:
http://www.advanced-armament.com/300-BLK-Upper-16-Barrel_p_463.html
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.
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