Proof Research Carbon Fiber AR-Type 308 Winchester 20″ Barrel Features:

When PROOF Research was formed in 2012, our vision was both simple and extraordinary. Our truly innovative founders envisioned a company that would apply advanced science, new technologies, aerospace-grade materials and manufacturing excellence to produce a new class of products that would truly revolutionize the firearms industry.

Proof Research Carbon Fiber AR-Type 308 Winchester 20″ Barrel Specifications:

• Type AR Rifle
• Model Carbon Fiber
• Twist 1:10″
• Finish Black
• Length 20″
• Barrel Type Carbon Fiber
• Barrel Features Rifle Gas System
• Caliber Or Gauge 308 Winchester