Rifle Basix Trigger for Ruger M77/MKII (Black Finish) Adjustable for weight or pull between 14 oz. and 2.5 lbs. Fits Current M77 MK II and 204 Rifle Basix Ruger Trigger for Ruger M77/MKII current production bolt action centerfires. Fits right or left hand. May be installed by user. Uses factory safety. Unique eccentric tip safety adjustment screw makes the RU-MKII the aftermarket replacement trigger of choice for Rugers. Comes complete with instruction sheet, hardware and adjustable wrench. (This trigger WILL NOT fit Hawkeye models with LC6 trigger). See all of our Rifle Basix trigger systems at our Rifle Basix Home Page!