The POWER CUSTOM RUGER 10/22 HAMMER & SEAR PACKAGE Drop in kit that produces a 2 3/4 LBS. Trigger pull. These are the highest quality parts on the market. EDM produced. Includes an Extra Power Hammer Spring, Extra Power Disconnector Spring, Replacement Trigger Return Spring, 2 Hammer Shims, & 2 Trigger Shims. Choose from Adjustable or Non Adjustable Versions. You can Adjust the pre-travel out of the Adjustable ones without any problem. You have to remove the sear out of the gun to adjust it but once it is adjusted you can lock tight the screw with red lock tight and it will hold without any problems.