Here is my Frankengun M4 PDW. G&G upper on a classic Army lower. Also comes with a Classic Army 416 upper. PDW stock and will come with a G&G buffer tube also., wired to deans, fun, little gun. Missing selector switch on right side. AOE corrected, Sp110 spring, wired to deans and shimmed. It has a JG blue motor and has a lonex hop up with a tru-hop bucking with a stock barrel. $110 shipped.
http://imgur.com/jbhnim9http://imgur.com/fxkbOlG