Proof Research PR15 PXT Carbon Fiber 6 ARC 20" Barrel

Proof Research PR15 PXT Carbon Fiber Barrel

This is a precision rifle barrel from Proof Research, engineered for shooters who demand accuracy without unnecessary weight. The 20-inch length strikes an effective balance between velocity and handling, making it suitable for both target work and field applications.

Key Features

• Caliber: 6 ARC—a modern intermediate cartridge offering excellent ballistics and efficiency
• Construction: Carbon fiber wrapped around a steel core for reduced weight and improved heat dissipation
• Length: 20 inches
• Gas Block Compatibility: .750" diameter gas block journal for standard AR-platform components
• Manufacturer: Proof Research, known for precision barrels used by competitive shooters and military units

Why This Barrel Matters

The carbon fiber construction delivers meaningful weight savings compared to traditional steel barrels while maintaining the structural integrity needed for precision shooting. The 6 ARC cartridge has gained traction among shooters seeking a flat-shooting, efficient round with minimal recoil—ideal for precision rifle competitions and hunting applications.

The .750" gas block journal ensures compatibility with widely available components, making this barrel a practical upgrade for AR-15 platform rifles.

Ideal For

• Precision rifle competitors
• Long-range target shooters
• Hunters seeking a modern, efficient cartridge
• Shooters building lightweight, high-performance rifles