Many games state AEG 400 and Bolt Action 450 etc... Mosfet or not, it's an AEG. Take this into account when you build your setup.
For the record, I have sniped 200+ feet with an M14 shooting 380. So FPS is not everything. One of the bonuses of using an M14 as a sniper platform is followup shot time to ensure they know they are hit. It also makes you effective in CQB outdoors.
Ár skal rísa, sá er annars vill
fé eða fjör hafa. Sjaldan liggjandi úlfur
lær um getur né sofandi maður sigur.