Rifle Basix Trigger for Ruger Bolt Action RimfiresWorks with models 77/22, 77/17, 77/44 and .22 Hornet. Adjustable to 1.5 lbs to 2.5 lbs. Rifle Basix Ruger Trigger for bolt action rimfires is completely drop-in, user installed. Unique eccentric tip safety adjustment screw to accomodate factory tolerances on three position safeties. Complete with instruction sheet and hardware. See all of our Rifle Basix trigger systems at our Rifle Basix Home Page!