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Advanced Armament AAC 300 Blackout BLK complete upper

For Sale from NewAlbanyGroup |
Positive feedback: 100% View |
Verified Seller
| 16 Completed Sales

This item is no longer available.

Advanced Armament AAC 300 Blackout BLK complete upper  Non-Guns > Gun Parts > M16-AR15 > Upper Only

This is a lightly used 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.

Has 220 rounds through it, all factory, subsonic & supersonic and flawless with every shot. Selling to finance an SBR in the same setup. Save money on this great deal!

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

As new, the only marks on it are on the right side of the rail where the sling mount and flashlight mount rubbed. Barrel is as new in every respect. Cleaned, and as good as new!


Trades Accepted: No

Condition: Used, Minor Wear
Location: OH
Item #: 999691389

This item is no longer available.


Shipping: $18.00 (or Arrange local transfer)
Accepted Payment Methods: Check Money Order
Returns: No Returns
Seller Since: Oct. 2004
Seller Level: Verified
This seller is NOT an FFL
City: New Albany
State: OH

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