Used shape Line SI Skirmish Bore Drop Pump. Shows wear. Has stock stainless bolt with delrin bore and stock 007 hammer. Has Taso 5 powertube and hold air and cycle but I will not be chronographed. See photos for wear. Has Taso pump arm screw. Finish on back bottle asa is not as great as Bushmaster models. Has Line SI Receiver that takes 45 frames.