Airsoft Hicks got to install a tracer unit on a Nuprol Delta Freedom Fighter AEG and shows it in this video. Made for CQB as it is a compact AEG, it comes with a PDW-style collapsing stock, and its front end has an amplifier fitted which is a 14CCW Sound Hug. Receiver has a QPQ finish and has removable sights... "A quick guide on how to fit a tracer unit to a Nuprol Delta Freedom Fighter and remove the loudener."