The Shaw Ar15hbsssf186arc Ar-15 6arc 18 Rifle Straight barrel brings precision-focused performance to your AR-15 platform. Built from 416R stainless steel with a heavy HBAR profile and bead blast matte finish, this 18-inch barrel is threaded 5/8x24 at the muzzle to accept a wide range of brakes and suppressor-ready devices. Its rifle-length configuration is engineered to deliver consistent accuracy and dependable function with the efficient 6mm ARC cartridge.

This barrel is well suited for shooters who want to stretch the legs of their AR-15 at the range, in practical competition, or for field use where accuracy and stability matter. The 1:7.5" twist rate is optimized for modern 6mm projectiles, helping maintain stability and downrange performance. Shaw Barrels’ long-standing reputation for quality craftsmanship and attention to detail makes this barrel a solid upgrade for builders and enthusiasts alike.

Key Features:

• Manufacturer: Shaw Barrels
• Model: AR15HBSSSF186ARC AR-15 6ARC 18 Rifle Straight
• Caliber: 6mm ARC
• Barrel Length: 18 inches
• Barrel Type: Rifle Length
• Barrel Material: 416R Stainless Steel
• Barrel Description: HBAR Profile
• Barrel Finish: Bead Blast Matte
• Threaded Barrel: 5/8x24
• Twist Rate: 1:7.5"