I've never seen someone put a G&G in an EBR kit so I can't comment on the compatibility. Be warned, it takes a little skill to fit it in there. If you've never worked on AEG's I don't recommend you do it yourself as you might damage your gearbox.
If you want a cheaper stock that won't cost you $500 like the EBR, check out G&P's DMR stock that'll turn your M14 into an M25 DMR:
http://redwolfairsoft.com/redwolf/airsoft/ProductDetail?prodID=24070
If you want a cheaper stock that won't cost you $500 like the EBR, check out G&P's DMR stock that'll turn your M14 into an M25 DMR:
http://redwolfairsoft.com/redwolf/airsoft/ProductDetail?prodID=24070
