Proof Research Pre-Fit Barrel Sig Sauer CROSS - 6mm Creedmoor - 16" Carbon Fiber Threaded Barrel

Proof Research Pre-Fit Barrel Sig Sauer CROSS
6mm Creedmoor - 16" Carbon Fiber Threaded Barrel

Engineered for shooters who demand peak performance and effortless customization, the Sig Sauer Cross Pre-Fit Carbon Fiber Barrel is the ultimate upgrade for your precision rifle platform. Designed specifically for the Sig Sauer Cross, this drop-in barrel delivers exceptional accuracy, unmatched durability, and significant weight savings—all without the need for gunsmithing.

Crafted with aerospace-grade carbon fiber and a proprietary matrix resin, this barrel is up to 64% lighter than traditional steel barrels of similar contour. The result? Faster target transitions, reduced fatigue, and enhanced maneuverability in the field or on the range. With a 16" length, 1:7.5 twist rate, and 5/8-24 threading, it’s optimized for 6mm Creedmoor performance and ready for suppressors or muzzle devices. Whether you're chasing sub-MOA groups or shaving ounces off your setup, this barrel is built to elevate your shooting experience.

Drop-In Compatibility
Pre-fit design with barrel extension allows seamless installation on Sig Sauer Cross rifles—no gunsmith required.

Carbon Fiber Wrapped
Aerospace-grade carbon fiber construction offers extreme strength with minimal weight.

Lightweight Advantage
Up to 64% lighter than comparable steel barrels for improved handling and reduced shooter fatigue.

Extreme Temperature Resistance
Enhanced heat dissipation keeps your barrel cooler, longer—ideal for extended shooting sessions.

Unmatched Durability
Proprietary resin matrix and high-tensile strength materials resist erosion, corrosion, and chamber pressures.

Suppressor-Ready
5/8-24 thread pitch accommodates a wide range of muzzle devices and suppressors.

Precision Engineering
Cold bore consistency and tight tolerances deliver repeatable accuracy shot after shot.

Specifications

• Caliber: 6mm Creedmoor
• Barrel Length: 16"
• Twist Rate: 1:7.5" RH
• Grooves: 4
• Thread Pitch: 5/8"-24
• Material: Carbon Fiber Wrapped with Aerospace-Grade Resin
• Weight: 2 lbs. 6 oz.
• Compatibility: Sig Sauer Cross Rifle (Drop-In Pre-Fit)
• Finish: Matte Carbon Fiber