Start the Heart of Your Next Custom Rifle off Right with the Proof Research Barrel

Proof Research is dedicated to providing hunters and shooters with top-quality modern designs and manufacturing processes. Their state-of-the-art manufacturing methods surpass industry standards, resulting in barrels that embody the founder's unwavering pursuit of excellence. Proof Research strives to fill the gap in performance and quality that hunters and shooters have been searching for, whether it be to achieve their best shooting results, compete at the highest levels, or successfully hunt elusive animals. Proof Research offers the best barrels in the firearms industry for any shooting discipline you prefer.

Proof Research AR-15 Barrel Specifications and Features:

• Proof Research Item Number: 100431
• Carbon Fiber AR-15 Barrel
• .223 Wylde (Accepts 5.56 NATO and .223 Remington)
• 1/2x8 Threaded Muzzle
• 16" Barrel
• Midlength Length Gas System
• .750 Gas Block Profile
• 1:7" Twist Rate
• Sendero Barrel Profile
• Match Grade Stainless Steel Barrel Liner
• Matrix Carbon Fiber Wrap
• Weight 1.8 lbs