Comes with engine Blue nozzle Fcu Brand new wiring just installed I made a diy short trigger pull mod I have video to show it is VERY short I have never messed with an fcu before and the guy I got it from said he tried to once and he messed up all the settings lol I got it to where it feeds amazing and semi auto shoots lasers but for the rps idk what I’m doing it shoots slow also shown in video (Does not include lower)