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AAC .300 Blackout Upper, 16"

The AAC .300 Blackout upper features a 16" barrel, Knight's Armament quad rail, and a nickel boron finished bolt carrier.

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  • 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 (7.62x35mm)
  • 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 III Quad Rail, Free Float 
Specs - More Info
Additional Info
SKU 101716
Caliber .300 Blackout
Manufacturer Advanced Armament
Barrel Length (in) 16"
Rifling 1 in 7"
Accessory Rail Yes
Warranty Warranty provided by Advanced Armament. Warranty information is available for Advanced Armament products at
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