I figured out the problem with the trigger, the rear of the main spring was sliding over behind the disconnector.I put a bend in it and it works fine.Im not sure what to do about the BHO and safty.Cant find this on the video. ALSO I need some advice on the gas system I have a 24 inch barrel and Im going to cut it down to 19.I have a two port system.This shot gun is new . The gas block seems to be lined up ok you can see the ports fairly easy.you can also see two powder marks from the ports on the gas plug where it was test fired from the factory Im guessing.They line up centered on the angeled