Shaw Barrels AR15HBSS126ARC AR-15 6mm ARC Barrel, 12.5-Inch, 5/8-24 Thread

Build a compact, capable AR-15 platform with the Shaw Barrels AR15HBSS126ARC barrel chambered in 6mm ARC. Designed for compatible AR-15 builds, this barrel provides a purpose-built foundation for shooters seeking the performance characteristics of the 6mm ARC cartridge in a maneuverable platform. The barrel’s configuration is suited to applications where compact handling, reliable function, and practical field performance are important.
The muzzle is threaded 5/8-24, allowing compatibility with a broad range of appropriately threaded muzzle devices, including brakes, compensators, and suppressor mounts. This gives builders flexibility when configuring their rifle for recoil control, sound suppression, or a specific shooting setup. Always verify muzzle-device compatibility, alignment, and installation requirements before use.
As part of Shaw Barrels’ E X Tra Barrels offering, the AR15HBSS126ARC is intended for builders and gunsmiths who want a dedicated 6mm ARC barrel for a custom AR-15 project. Its clearly defined chambering and muzzle-thread specification make it easier to select compatible components during assembly. Confirm receiver, gas-system, bolt, magazine, and ammunition compatibility with the selected 6mm ARC build, and have final installation and headspace checks completed by a qualified gunsmith. Shaw Barrels part number AR15HBSS126ARC identifies this specific barrel configuration.

Features:

• 6mm ARC chambering for compatible AR-15 platform builds

• Compact 12.5-inch barrel configuration for maneuverable handling

• 5/8-24 muzzle threading for compatible brakes, compensators, and suppressor mounts

• Shaw Barrels E X Tra Barrels series configuration

• Shaw Barrels part number AR15HBSS126ARC for straightforward component identification