PROOF RESEARCH IMPACT PRECISION PRE-FIT CARBON FIBER 6 ARC BARREL

The PROOF Research Impact Precision 737R Pre-Fit Carbon Fiber Barrel in 6 ARC is engineered for shooters seeking lightweight performance, exceptional accuracy, and simple installation. Designed specifically for Impact Precision 737R, 787R, and NBK/777R actions, this shouldered pre-fit barrel arrives chambered and threaded for an easy installation process that requires minimal specialized tools.

Constructed using PROOF Research's proprietary aerospace-grade carbon fiber technology, this barrel is up to 64% lighter than comparable steel barrels while maintaining outstanding rigidity and shot-to-shot consistency. The advanced carbon fiber construction enhances heat dissipation, allowing the barrel to run cooler and maintain accuracy during extended shooting sessions.

The 6 ARC chambering offers impressive long-range capability, excellent ballistic efficiency, and superior performance with modern high-BC projectiles. Featuring a Sendero contour, 1:7.5 twist rate, and 5/8x24 threaded muzzle, this barrel is optimized for precision shooting, competition, and hunting applications. Available in both 20-inch and 22-inch lengths, shooters can choose the configuration that best fits their mission.

Whether you're building a lightweight hunting rifle or a precision long-range platform, the PROOF Research Impact Precision 737R 6 ARC Pre-Fit Barrel delivers the performance, durability, and accuracy serious shooters demand.

Features

• Chambered in 6 ARC
• Compatible with Impact Precision 737R, 787R, and NBK/777R actions
• Carbon fiber wrapped barrel construction
• Up to 64% lighter than comparable steel barrels
• Sendero contour profile
• 1:7.5 twist rate
• 5/8x24 threaded muzzle
• Shouldered pre-fit design
• Chambered and threaded for easy installation
• Aerospace-grade carbon fiber construction
• Enhanced heat dissipation
• Exceptional rigidity and durability
• Guaranteed headspacing on shouldered pre-fit barrels
• Optimized for hunting, competition, and long-range shooting

Specifications

• Manufacturer: PROOF Research
• Model: Impact Precision 737R Pre-Fit Carbon Fiber Barrel
• Caliber: 6 ARC
• Action Compatibility: Impact Precision 737R, 787R, NBK/777R
• Barrel Length Options: 20", 22"
• Twist Rate: 1:7.5
• Contour: Sendero
• Muzzle Thread: 5/8x24
• Construction: Carbon Fiber Wrapped
• Headspacing: Guaranteed on Shouldered Pre-Fit Barrels
• Weight (20"): 2 lbs. 11 oz.
• Weight (22"): 2 lbs. 13 oz.
• Part Number (20"): 138465
• Part Number (22"): 138472