Hogue OverMolded Rubber Stock, Fits Ruger 10/22, .920 Diameter Barrel, OD Green 22210 Hogue's Ruger 10/22 Rubber Overmolded Stock is one of the finest replacement stocks on the market today. Made for the Ruger 10/22 chambered in .22 long rifle with a barrel diameter of .920" (Bull Barrel)" it is constructed from a lightweight reinforced polymer" then covered in Hogue's popular Overmolded rubber exterior" providing excellent control and comfort. This lightweight drop in replacement stock features two sling swivel studs and a soft recoil pad.