Ruger Single Ten Mainspring Seat, Stainless $10.00 Stainless Mainspring Seat for the Ruger Single Ten, 10 shot, .22 revolver. In stock Ruger Single Ten Mainspring Seat, Stainless quantity Add to cart Category: Ruger Related products Ruger Double Action Reduced Power Shooter Pak $19.97 Ruger Mk I, II, III Pistol Performance Pak $29.97