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.