Heres some more pics for inspiration
Heres a link for the flash hider
http://www.srvv.org/en/catalog/1317/29860/
AS for a front mounted Red dot. Its not very popular in russia so I wouldn't know.
Maybe a ultimak style gas tube mount and one of the polymer lower handgrips?
http://www.ebairsoft.com/cyma-ak74-h...il-p-4603.html
http://www.ebairsoft.com/wii-ak-ris-...-set-p-29.html
NO one would mount a red dot on a polymer rail thats why i suggest the ultimak style.