"Guaranteed Superior"
An excellent base from which to build a beautiful, smooth and
reliably functioning gun. Includes a redesigned trigger spring and a
reduced power hammer spring to give controlled trigger pull. Also
includes extra power, base pin latch spring. Factory hammer spring
is 23 lb. Kit includes (3) different, reduced power hammer springs; 17 , 18 & 19 lb. (Factory is 23 lb.), (1) 35% reduced power trigger spring, plus (1) extra power base pin latch spring.
Big Book Catalog, Issue:65, Page:221
Cowboy Action, Issue:03, Page:008
New Product Supplement, Issue:584, Page:012