Proof Research

Up to 64% lighter than traditional steel barrels of similar contour - Match-grade accuracy - Improved heat dissipation for cooler and longer lasting barrels - No point-of-impact shift during high-volume fire - Reduced harmonic barrel vibration - Unprecedented durability - Color: Black - Material: 416R Stainless Steel/Carbon Fiber - Length: 22 Inches - Caliber: 7mm-08 Remington - Twist: 1:9 - Threads: 5/8-24