Proof Research offers barrel blanks, threaded and chambered barrels, and pre-fit replacement barrels. Shaw Barrels can trace their roots to supporting the war effort during World War II.

It’s now more feasible to order a new stock, chassis, or pre-fit barrel for your favorite shooting iron ... The rifle has a floating bolt head similar to a Savage M110 and uses a sliding claw ...

308 Win., 6.5 PRC Capacity: 5+1 Weight: 6 pounds, 4 ounces (measured) Trigger: Triggertech, adjustable, 3 pounds 5 ounces (measured) Barrel: Cure carbon fiber, 18 inches; 1:8 twist, threaded 5/8 ...