PROOF RESEARCH Barrel Bolt 308 Win 20" 10 Twist 5 Groove
- Carbon fiber wrapped pre-fit barrel designed for Ruger Precision Rifle
- Barrel length: 20 inches
- Twist rate: 10
- Muzzle thread: 5/8-24
- Weight: 2 lbs 12 oz
- Barrel arrives threaded and chambered, ready to install with minimal tools
- Lightweight: up to 64% lighter than traditional steel barrels of similar contour
- Improved heat dissipation and durability due to aerospace-grade carbon fiber wrap
- Part number: 100882; Rifle model: Ruger Precision Rifle