Ballistic Advantage 5.56 SPR 18" Rifle Barrel

Ballistic Advantage Modern Series 5.56 SPR Barrel

This 18-inch rifle barrel represents a purpose-built solution for shooters seeking a versatile, suppressor-ready platform. Machined from 4150 Chrome Moly Vanadium steel, it delivers the durability and accuracy expected from quality barrel manufacturing.

Key Features

• Caliber & Chambering: 5.56 NATO
• Barrel Length: 18 inches
• Profile: SPR/OPS 12 with .750" diameter for suppressor collar compatibility
• Material: 4150 Chrome Moly Vanadium steel
• Finish: QPQ corrosion-resistant coating
• Twist Rate: 1:7 inch
• Gas System: Rifle-length
• Thread Pitch: 1/2x28
• Compatibility: AR-15 platform

Design & Performance

The SPR (Special Purpose Rifle) profile balances weight and rigidity, making this barrel suitable for both precision shooting and tactical applications. The extended .750" profile dimension is specifically designed to accommodate OPS Inc. 12th model suppressors and collars, giving you flexibility in your setup.

The QPQ finish provides excellent corrosion resistance, protecting your investment through varied conditions. The M4 feed ramp extension ensures reliable feeding with a wide variety of ammunition types.

With a 1:7 twist rate, this barrel stabilizes a broad range of 5.56 projectiles, from lighter varmint rounds to heavier match-grade ammunition.

Ideal For

Builders seeking a quality, suppressor-ready barrel for hunting, sport shooting, or tactical applications.