Faxon Firearms Rimfire Barrel Features The Faxon Firearms Rimfire Barrel is machined in-house at the company s Cincinnati facility from raw 416-R stainless steel bar stock following the same rigorous testing and quality control used on Faxon s popular AR and pistol barrel lines. Six groove rifling at a 1:16 twist rate is tuned for standard and high-velocity .22 LR ammunition giving shooters dependable accuracy across common rimfire loads. The patented flame fluted bull profile shaves weight off the barrel while retaining the rigidity of a heavier bull contour and a recessed target crown helps protect the muzzle from dings and preserve consistent accuracy. Every barrel is magnetic particle inspected to catch defects before it reaches the customer. A salt bath Nitride finish provides excellent corrosion and wear resistance for a barrel that will see frequent range use. The 1/2x28 threaded muzzle accepts a suppressor which pairs naturally with the inherently quiet nature of most .22 LR loads for a highly suppressible rimfire rifle. At approximately 2.4 pounds the barrel offers meaningful weight savings over a comparable factory bull barrel while still delivering the rigidity target shooters expect. This barrel is a direct fit upgrade for Ruger 10/22 owners chasing better accuracy and suppressor readiness. Faxon Firearms Flame Flutes Specifications Brand: Faxon Firearms Model: Flame Flutes Type: Barrel Caliber: .22 LR Compatible Hosts: Ruger 10/22 Barrel Length: 16 Barrel Profile: Bull Flame Fluted Twist Rate: 1:16 Muzzle Threads: 1/2x28 Material: 416-R Stainless Steel Finish: Salt Bath Nitride Weight: 2.4 lbs Available At: GrabAGun