The Noveske SPR BBL 556 18" DDF HS Bolt is a precision rifle barrel built for shooters who demand consistent accuracy from their AR-15 platform. Crafted from 416R stainless steel with disruptive deep fluting and a bead-blasted silver finish, this 18" threaded barrel combines rigidity, reduced weight, and excellent heat management. A pinned low-profile gas block and included headspaced bolt ensure reliable function and easy integration into quality builds.

This SPR barrel is chambered in 5.56 NATO with a 1:7 twist rate, making it ideal for modern heavy and standard-weight projectiles at the range, in training, or for practical competition use. The rifle-length gas system and extended feed ramps contribute to smooth cycling and dependable performance. Noveske’s attention to detail and match-grade chambering reflect the brand’s reputation for refined craftsmanship and innovation in AR barrels.

Key Features:

• Manufacturer: Noveske
• Model: SPR
• Caliber: 5.56 NATO
• Barrel Length: 18"
• Barrel Type: Threaded
• Twist Rate: 1:7"
• Gas System: Rifle Length
• Accessories: Pinned Low-Profile Gas Block, Headspaced Bolt
• Finish/Color: Bead-Blasted Silver
• Description: Disruptive Deep Fluting Stainless Steel Barrel For AR-15