^What Reeko said^
What's your goal, or intention? I hope the answer is "for lolz"
A few years back I was running a KWA M4 with an 11.1, it was shooting over 20 rounds per second and 400 fps. Velocity was at the legal limit, and ROF was almost inconveniently high.
I'm unsure what practical advantage a 14.8 would offer, especially if you integrated the DSG setup.
Your second judgement error was using Bing
Anyways, post a vid of your creation! Stuff like
that is always fun to look at.