The Proof Research PR15 Carbon Fiber AR-Style Barrel, 6mm ARC, 20" Rifle+1 Gas System, Carbon Fiber Wrapped Stainless is built for shooters who want match-grade precision in a lightweight AR-15 package. Using a 416R stainless steel core wrapped in aerospace-grade carbon fiber, this 20-inch threaded barrel delivers excellent rigidity and accuracy while significantly reducing weight compared to traditional steel barrels.
This PR15 6mm ARC barrel is well suited for precision range work, competition, and hunting where extended shot strings and long-distance consistency matter. The Rifle +1 gas system and .750" gas journal are tuned for smooth cycling, while the carbon fiber construction promotes improved heat dissipation and helps maintain point of impact during high-volume shooting. Backed by Proof Research’s reputation for innovation and meticulous craftsmanship, this barrel is designed for demanding AR-15 enthusiasts.
- Manufacturer: Proof Research
- Model: PR15 Carbon Fiber AR-Style Barrel
- Caliber: 6mm ARC
- Barrel Length: 20"
- Twist Rate: 1:7.5"
- Gas System Length: Rifle +1
- Gas Journal Diameter: .750"
| __Material | 416R Stainless Steel, Carbon Fiber |
| __Twist Rate | 1:7.5 |
| __Rifling | Other |
| __Barrel Length | 20.00" |
| __Caliber | 6mm ARC |
| __Model | PR15 Carbon Fiber AR Barrel |
| __Capacity | NA |
| __Optic Footprint | NA |
| __Action | NA |
