After reading, leave replies about what you think, suggestions, and anything else helpfull thanksI will be putting together a really good CQB gun as soon as i get money. what i want to do is get a standard m4. remove the old barrel and install a 5.5 inch barrel and a 110mm (or somewhere around there) inner barrel. I'm going to be putting a 4 in rail system.
next i am going to remove the stock and buffer tube. the m4 will be wired to the front and i will put a peq battery box on the ris.
i am also going to put a new motor (Matrix 3000 turbo) and a m90 spring to lower the fps to around 300-330 fps. i will also put a vertical grip up front
and lastly i will put a Matrix Panorama red dot sight.
in total this will cost me near $330 so i am not starting soon
here is what it will look like(hopefully) but with the RIS in the other picture: