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A Must-Have Component for Your Next Big-Bore AR Build

The Brownells .450 Bushmaster AR-15 barrel is a great addition to any AR build collection, giving you all of the performance you need out of a barrel that won't break the bank.

The Brownells .450 Bushmaster AR-15 barrel features a button-rifled design that is machined from stress-relieved 4150 GBQ mil-spec steel, using a common .875-inch gas-block journal that's compatible with many aftermarket components.

  • Features 1:14 rate of twist
  • Threaded for suppressor use
  • 11/16x24 muzzle thread pitch
  • Includes nitride coating for corrosion resistance
  • Machined with 11-degree target crown

The Brownells .450 Bushmaster AR-15 barrel is magnetic particle inspected for quality assurance and is completely made in the USA. The barrel ships with a bolt and 3-port muzzle brake.

BROWNELLS - AR-15 450 BUSHMASTER BARREL STAINLESS STEEL

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Out of Stock

Cartridge: 450 Bushmaster

Length: 16"

Finish: Nitride

Gas System Length: Carbine