Shaw Barrels AR15HBSS163ARC AR-15 .338 ARC Barrel

The Shaw Barrels AR15HBSS163ARC is an AR-15 platform barrel chambered for the .338 ARC cartridge. Designed for builders, gunsmiths, and firearm enthusiasts, this barrel provides a purpose-built foundation for assembling or upgrading a compatible AR-15 rifle. Its chambering supports the growing .338 ARC platform while maintaining compatibility with the appropriate AR-15 barrel, bolt, magazine, and upper receiver components.
The barrel features the manufacturer-specified muzzle threading for use with compatible muzzle devices and accessories. Before installation, confirm that the selected muzzle device, suppressor adapter, and other components match the barrel’s thread pattern and are rated for the .338 ARC cartridge. Proper alignment and professional installation are recommended to help ensure safe and reliable operation.
As an extra barrel option from Shaw Barrels, the AR15HBSS163ARC can be used for a dedicated .338 ARC build or as a replacement component for a compatible upper assembly. Buyers should verify chambering, gas-system requirements, receiver compatibility, and headspace specifications before installation. A qualified gunsmith should inspect and fit the barrel as needed, particularly when pairing it with a new bolt or other custom components. The Shaw Barrels part number AR15HBSS163ARC makes it easier to identify the correct component when ordering, planning a build, or sourcing replacement parts.

Features:

• AR-15 platform barrel designed for compatible upper receiver assemblies

• Chambered for the .338 ARC cartridge

• Manufacturer-specified muzzle threading for compatible accessories

• Suitable for dedicated builds, upgrades, or replacement applications

• Shaw Barrels part number AR15HBSS163ARC for straightforward product identification