Replaces Factory Sear For A Light, Clean-Breaking Trigger Pull
This specially designed sear provides the shooter with a shorter, faster, cleaner breaking trigger pull. The sear is wire EDM-cut from hardened A2 tool steel. Fits Ruger MKII, MKIII and 22/45.
Big Book Catalog, Issue:67, Page:215
New Product Supplement, Issue:602, Page:017