I have always wanted to do something like this, just never know it was practical until GONZO showed off his a5.
Ok, here is the 99.5% plastic made in china airsoft spring rifle full scale of the M14 socom of US Army. I'm having fun with it, even though not as much as pb marker.
http://i33.tinypic.com/jh52ds.jpgI'm planning to hack up the body, reuse the stock to put in a ... idk, haven't decided yet

and that's the question poll for this thread. The goal is building a semi rifle with tac-cap hopper, so cyclone or halo rip is a must. Should i use a5, 98c or bt-4 as the base ?
Thank you for all opinion, thread will be up to date with pics.