Proof Research

Color: Black - Material: 416R Stainless Steel/Carbon Fiber - Length: 20 Inches - Twist: 1:10 - Threads: 5/8-24 - 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