Proof Research carbon-fiber 6.5 Creedmoor barrel for AR308 platforms. It features a 20-inch overall length, 5/8x24 muzzle threads, 1:8 twist cut rifling, .875 inner gas block diameter, rifle-length +2 gas system length and extended feed ramps. This 20" barrel is wrapped in high quality aerospace-grade carbon fiber with a proprietary matrix resin and showcases unprecedented durability with extreme temperature resistance and lightweight design.
- Lightweight - Up to 64% lighter than traditional steel barrels
- Extreme Temperature Resistance - Improved heat dissipation for cooler and longer lasting barrels
- Unprecedented durability - Wrapped with high-strength, aerospace-grade carbon fiber impregnated with a proprietary matrix resin
- Rifle Gas System Length
- .875 Gas Journal Diameter
- 20" Length
- 1:8 Twist Rate
- 5/8" x 24 Muzzle Thread
- Barrel Length: 20"
- Barrel Thread Pitch: 5/8" x 24 TPI
- Brand: PROOF Research
- Caliber: 6.5 Creedmoor
- Finish / Color: Carbon Fiber
- Firearm Type: Rifle
- Material: Steel
- Models Fit: AR-15,AR-10