The Noveske SPR Barrel 6ARC 18" DDF Bolt is a precision 6mm ARC stainless barrel built for shooters who demand consistent accuracy and refined machining. Crafted from 416R stainless steel with Noveske’s Disruptive Deep Fluting, it balances rigidity and weight while the hand-polished proprietary match chamber supports excellent downrange performance. A pinned low-profile gas block, extended feed ramps, and 5/8x24 threaded muzzle round out a purpose-built upper upgrade.

This 18" rifle-length gas system barrel is ideal for precision-focused AR builds, whether you are stretching the legs of the 6mm ARC at the range, refining skills in training, or assembling a competition-ready rifle. The included headspaced, DLC-coated 6mm ARC bolt and matched gas tube simplify setup and help ensure reliable function. It reflects Noveske’s reputation for careful craftsmanship and attention to detail in every component.

Key Features:

• Manufacturer: Noveske
• Model: SPR
• Caliber: 6mm ARC
• Barrel Length: 18"
• Product Type: Barrel
• Material: 416R Stainless Steel
• Twist Rate: 1:7
• Gas System: Rifle-Length
• Threaded Barrel: 5/8x24
• Included Components: Headspaced DLC-Coated 6mm ARC Bolt And Gas Tube
• Fluting: Disruptive Deep Fluting (DDF)
• Gas Block: Pinned Low-Profile Gas Block