Proof Research AR-Style Barrel 6.5 Grendel 18" Rifle Length Gas System 1:8" Twist 4 Grooves, 5/8-24 tpi, Carbon Fiber Wrapped 121665

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