Rifle Basix Replacement Sear for RugerAdjusts from 14 oz - 2 lbs - Fits Early Bolt Action Ruger Centerfires with "Tang" Safety Rifle Basix Ruger replacement sear produces a clean, crisp and light pull operation with fully adjustable factory trigger. Uses factory safety. Easily installed by user. 100% Drop-In... no cutting, grinding or fitting. Comes complete with instruction sheet. See all of our Rifle Basix trigger systems at our Rifle Basix Home Page!