Springfield 2020 Rimfire Target .22 LR 20" TB Rifle, Black w/ Scope The Model 2020 Rimfire is built around a smooth operating action with dual cocking cams and a hard chrome bolt. A sporter contoured barrel is free floated for accuracy that guarantees 1" groups at 50 yards with quality ammunition in the hands of a qualified shooter. The 2020 Rimfire accepts the popular Ruger 10/22 magazine.