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."
Cesar gets his hands on the Nuprol Freedom Fighter AEG for this 0'20 Magazine review. Part of the Delta AEG Series of Nuprol, this has a reinforced Version 2 Gearbox and a metal reinforced selector plate. It is a CNC'd receiver with QPQ finish, a RIS rail, Lipo-battery ready, and comes with a folding vertical grip.