Advanced Armament Corp Upper 300 AAC Blackout 16" Black KAC URX Blackout 51-Tooth Brake M16 Bolt Carrier AR-15 Flat Top 101716
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.
Specifications:
•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
•Bolt Carrier: Mil-Spec, Nickel Boron Finish
•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
•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
Caliber: 300 AAC Blackout
Barrel Length: 16"
Chokes Blackout 51-Tooth Brake
Finish/Color: Black
Accessories: KAC URX
Fit: AR-15
Sights: Flat Top
Type: Upper
Manufacturer: Advanced Armament Corp
Mfg Number: 101716
SKU: R_AACO101716
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