Proof Research Pre-Fit Q Fix Barrel Features The Proof Research Pre-Fit Q Fix Barrel is machined from stainless steel and finished to a 20 inch length with a 1 in 10 twist rate suited to a wide range of .308 Win bullet weights. Its pre-fit design is built to match Q Fix style actions simplifying installation for shooters who want to swap barrels without sending the rifle to a smith. The 5/8x24 threaded muzzle accepts suppressors and muzzle devices extending the barrel s versatility for both range and field use. Stainless steel construction gives the barrel strong corrosion resistance along with the accuracy potential Proof Research barrels are known for. At 2 lbs 6 oz the barrel keeps added weight to a minimum helping preserve the balance of a precision rifle build. This weight savings matters for shooters who carry their rifle over long distances or who want to keep an already heavy action from becoming front heavy. The pre-fit nature of the barrel streamlines maintenance letting shooters replace a worn barrel or try a different twist rate with minimal downtime. Precision shooters running a Q Fix action will find this Proof Research barrel a direct dependable upgrade available for sale at GrabAGun. Proof Research Pre-Fit Q Fix Barrel Specifications Manufacturer: Proof Research Model: Pre-Fit Q Fix Barrel Caliber: .308 Win Barrel Length: 20 Twist Rate: 1:10 Thread Pattern: 5/8x24 Finish: Stainless Steel Weight: 2 lbs 6 oz Available At: GrabAGun