Proof Research Pre-Fit Barrel Sig Sauer CROSS - 6.5 Creedmoor - 16" Carbon Fiber Threaded Barrel

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

The Sig Cross Carbon Fiber Pre‑Fit Barrel is built for shooters who demand precision, mobility, and effortless customization from their rifle platform. Engineered as a true drop‑in upgrade, this pre‑fit barrel arrives with the barrel extension already installed, allowing you to replace your factory barrel with confidence and zero gunsmithing. Whether you're fine‑tuning your setup for long‑range performance or optimizing your rifle for backcountry hunts, this barrel delivers a powerful combination of accuracy, durability, and weight savings.

Crafted with an advanced carbon fiber wrap, this barrel dramatically reduces overall weight—up to 64% lighter than comparable steel barrels—without sacrificing rigidity or consistency. The result is a barrel that stays cooler longer, resists extreme temperatures, and maintains exceptional accuracy even under sustained fire. Designed specifically for the Sig Sauer Cross, this pre‑fit system empowers shooters to quickly swap calibers and configurations, enhancing the rifle’s versatility and performance in any environment.

Carbon Fiber Construction
Delivers major weight reduction while maintaining stiffness and accuracy for improved handling and maneuverability.

True Drop‑In Fit
Includes the barrel extension for seamless installation on the Sig Sauer Cross with no gunsmithing required.

Enhanced Heat Dissipation
Carbon fiber wrap improves cooling for longer shot strings and more consistent performance.

Extreme Durability
Built with aerospace‑grade carbon fiber and proprietary resin for long‑term strength in harsh conditions.

Optimized for Precision
8‑twist, 5‑groove rifling and match‑grade construction support superior accuracy with 6.5 Creedmoor loads.

Lightweight Performance
Ideal for hunters, competitors, and shooters who prioritize mobility without giving up precision.

Specifications

• Caliber: 6.5 Creedmoor
• Barrel Length: 16"
• Twist Rate: 1:8
• Rifling: 5‑groove
• Thread Pitch: 5/8‑24
• Model Compatibility: Sig Sauer Cross
• Construction: Carbon fiber wrapped
• Weight: 2 lbs 5 oz
• Barrel Extension: Included (pre‑installed)
• Material Strength: Aerospace‑grade carbon fiber with proprietary resin
• Performance Benefit: Up to 64% lighter than comparable steel barrels