The Shaw Barrels AR-15 6ARC 12.5" Threaded Barrel 5/8-24 is a compact, precision-machined extra barrel built around a heavy HBAR profile and 416R stainless steel construction. Its bead blast matte finish and mid-length gas system are designed to deliver consistent accuracy and smooth cycling on AR-15 platforms chambered in 6mm ARC.

This 12.5-inch barrel with 5/8x24 muzzle threads is ideal for shooters building a maneuverable rifle that still takes advantage of the 6mm ARC’s flat trajectory and downrange performance. Whether you are setting up a dedicated range rifle, a competition-ready upper, or a versatile hunting rig, this barrel offers a solid foundation with dependable stainless steel durability. Shaw’s long-standing reputation for quality barrels and careful craftsmanship is reflected in the clean machining and thoughtful specifications of this model.

Key Features:

• Manufacturer: Shaw Barrels
• Model: AR15HBSS126ARC
• Caliber: 6mm ARC
• Barrel Length: 12.5 inches
• Thread Pattern: 5/8x24
• Barrel Material: 416R Stainless Steel
• Barrel Description: HBAR Profile
• Barrel Type: Mid-Length
• Twist Rate: 1:7.5 inches
• Diameter: 0.750 inches