The "Faxon Rimfire" line is made in-house from raw bar stock, and undergo the same rigorous testing and quality control measures that have made Faxon AR and pistol barrels a market favorite. These barrels are made from 416-R stainless steel, given 6 Groove Rifling at a 1:16 twist, and a Recessed Target Crown. Barrels are Magnetic Particle Inspected, and are finished in either Salt Bath Nitride or PVD.One of the pillars of Faxon Firearms is their belief in the Fellowship of Firearms. They believe that firearms bring people together and create generational memories. Since the 19th century, the .22 LR has been a perennial favorite for beginning and seasoned shooters alike. That's why Faxon is excited to bring you everything you love about their AR and Pistol barrels to the beloved "22." Faxon Rimfire barrels offer weight-savings to typical factory barrels for 10/22.Standard Factory Barrel: 1.78 lbsFaxon Rimfire Pencil Barrels: 1.0 lbsFaxon Rimfire Fluted Barrels: 1.4 lbs