Make your Ruger Single Action Bisley feel more like a Colt. This Trigger and Hammer Kit offers a 2.5 lb to 3 lb trigger pull for all Bisley Style Frames. When on halfcock and the loading gate is opened the chambers line up for no fumble reloading. Spin the cylinder and hear the pawl sing, and when you pull the hammer back you can hear and feel 3 positive clicks. A Wolff Spring Kit is included in the kit with four different reduced power hammer springs (14 lb, 17 lb, 18 lb and 19 lb), two reduced power trigger springs and two extra power cylinder latch pin springs. Minor modifications are required to some factory parts. Includes detailed instructions. Kit Includes:4- Different reduced power hammer springs 17lbs, 18lbs, and 19lbs. 2- Reduced power trigger springs2- Extra power cylinder latch pin springs1- Montado/Super Black Hawk Halfcock Custom Hammer1- Trigger (allows for 2.5 lb to 3 lb trigger pull)