Knights Armament 25780 Lower Receiver IWS AR-15 223 Rem,5.56 NATO Black Stock Two-Stage Trigger Ambidextrous Lever

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. Features a carbine action spring and a 2H buffer.