The 10/22® Hammer Tune Kit produces a lighter trigger pull with a faster lock time. The sear engagement surfaces are precision ground and vapor honed. The kit includes a new hammer, extra power hammer spring, two .004" shims and a new trigger return...

YoDave Marlin 336 Reduced Power Finger Lever Spring No more fighting to click the lever into the fire position on Marlin Model 1894, 1895, 336 and 444 models! Polishing the mating surfaces of the lever and the plunger as well as the addition of a reduced...

 YoDave Marlin 39A Reduced Power Hammer Spring Reduce the force required to open your lever and cycle the bolt by reducing the force of the spring acting on the hammer without sacrificing consistent primer strikes and ignition, ease of cycling is...

YoDave CZ-457 Trigger Spring Kit  With this kit, you can reduce the CZ-457 trigger pull to approximately half of what the factory spring will adjust down to. Used in conjunction with the sear adjustment screw located on the front of the trigger...

The Ruger 10/22® Competition Sear Kit lightens the trigger pull and smooths the trigger return. Hand stoned engagement surfaces. Includes a new sear, extra power sear spring, and two .004" trigger shims. This sear, when used with proper engagement of...