The ambidextrous bolt release, selector lever, and magazine release offers left-handed users the ergonomic advantages inherent to AR15-based controls. The drop-in KAC two-stage trigger serves double duty as an aid to precision marksmanship while enabling surgical speed shooting at close range.The ambidextrous bolt release, selector lever, and magazine release offers left-handed users the ergonomic advantages inherent to AR15-based controls. The drop-in KAC two-stage trigger serves double duty as an aid to precision marksmanship while enabling surgical speed shooting at close range.�