The CMC 10/22 trigger is a drop in, self-contained trigger pack that is easy to install. Available in Flat, Curved and Combat Curved (CCT) bow design with a 3.5lb factory pre-set, non-adjustable trigger pull weight. New textured bolt hold open button with auto drop function instead of the traditional lever commonly found the Ruger 10/22 rifles. It also features a fully ambidextrous textured magazine release paddle for quicker magazine changes.