Grandmaster® For Ruger® Single Six Reduced Power Spring Kit 30 / 18

Grandmaster® for Ruger® New Single Six Reduced Power Spring Kit 30 / 17

Grandmaster® For Ruger® Single Six Reduced Power Spring Kit 40 / 19

Grandmaster® For Ruger® Single Six Reduced Power Spring Kit 30 / 19

Grandmaster® For Ruger® Single Six Reduced Power Hammer Spring Kit Light Weight

Wolff For Ruger® New Single Six Reduced Power Spring Kit 30 / 17

Wolff For Ruger® Single Six Reduced Power Hammer Spring Kit Light Weight

Power Custom® Spring Kit, for Ruger® Single Action Blackhawk #19 & 30 oz Trigger