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AAC 9" 300 BLK AR Barrel - Canadian Tactical Cowboy Supplies -

Advanced Armament Corporation

AAC 9" 300 BLK AR Barrel

SKU: 101718

This barrel assembly is all you need to convert your 5.56mm AR to 300 AAC BLACKOUT (7.62x35mm).

The 4150 steel barrel features a black nitride finish (including bore and chamber), 1:7" twist for super- or sub-sonic use. It comes ready for silencer use, threaded 5/8-24. Includes gas tube, steel low-profile press-fit set screw gas block (barrel has set-screw divots for gas block alignment).

Requires barrel nut - gunsmith installation is recommended.

  • Caliber: 300 BLK
  • Length: 9"
  • Finish: Black Nitride
  • Materials: 4150 Steel

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