Proof Research AR-Style Barrel 6mm ARC 18" Black Carbon Fiber Finish 416R Stainless Steel Material Rifle Length with Threading & .750" Gas Journal Diameter for AR-Platform 128671

PROOF Research’s match-grade carbon fiber barrels are stronger, lighter, and as accurate as the finest precision steel barrels and will maintain their performance in the harshest conditions.

• Up to 64% lighter than traditional steel barrels
• 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