The Noveske OG BBL 6ARC 12.5" DDF Bolt assembly brings Noveske’s Stainless Lo-Pro DDF Barrel system to your AR-15 in a compact, precision-focused package. Built from 416R stainless steel with a hand-polished proprietary match chamber, this 12.5 inch barrel uses Noveske’s Disruptive Deep Fluting to reduce weight while maintaining rigidity. A pinned low-profile gas block, extended feed ramps, and 5/8x24 threaded muzzle round out a purpose-built barrel designed for reliable performance with the 6mm ARC cartridge.

This configuration includes a headspaced, DLC-coated 6mm ARC bolt and a gas tube matched to the mid-length gas system, giving builders a ready-to-install solution that removes the guesswork from critical fitment. Ideal for precision-oriented AR pistols or SBR builds, it is well suited for range work, training, and hunting where accuracy and consistency matter. The combination of thoughtful engineering and careful machining reflects Noveske’s reputation for refined, high-performance rifle components.

Key Features:

• Manufacturer: Noveske
• Model: OG
• Caliber: 6mm ARC
• Barrel Length: 12.5"
• Threaded Barrel: 5/8x24
• Gas System: Mid-Length
• Included Components: Pinned Low-Profile Gas Block, Headspaced DLC-Coated Bolt, Gas Tube
• Barrel Features: 416R Stainless Steel, Disruptive Deep Fluting, Hand-Polished Match Chamber, Extended Feed Ramps