||alright well i have had this gun for about a year now and I'm so glad i purchased this gun. Before i had never really considered VFC because i didnt know much about them until I got the M16 E series. As of right now I'm running a 9.6v 3500 mah battery and it works like a charm, with plenty of room for the large type which i have. I would not reccomend putting in anything above a 9.6 because well who knows it just doest seem like it would preform as well pulling the amount of fps that it already does. I use this as a sniper with a scope, bipod, silencer..etc... And its amazing along with its amazing range. You will no doubt be able to make shots over150ft on a nice mild day.
very high rate of fire for the size and power of this beast
most importantly durable
easy to put a rail on the bottom of the handguard
just buy a few more midcaps thats all, other then that i absolutely love mine
p.s- I know the price is a bit on the up side but so is the gun, spend the money and you wont regret it, also check out my review on youtube under "anawesomeairssofter" thanks and good luck