Holds mainspring in alignment, prevents spring kink and binding for consistent hammer drop and improved ignition. Round strut helps provide a confidence-inspiring, smoother feel when cocking. Saves time and effort, eliminates the filing and polishing necessary to remove the burrs and rough edges on the stamped, factory part. Pre-assembled with a 17 pound Wolff hammer spring and ready to drop in.

SPECS: Steel. Fits Blackhawk®, Super Blackhawk® and Old Vaquero®. Will not fit the New Vaquero® with the smaller grip frame.