As far as I know the Ares LMG uses a proprietary gearbox so you are out of luck if you want to install something like a Raptor or Chimera, so unfortunately the product you're looking for simply doesn't exist.
Your best option is to learn how to disassemble and reassemble the LMG and its gearbox so that you can assess whether you would be able to install a real FET like this one: http://www.airsoftstore.ca/index.php...roducts_id=134
. That's realistically the only way you're going to deliver more power to your motor/gear system.
Also, before anyone tries to confuse you, "plug-in" trigger computer units like the Burst Avocado and Burst Wizard, etc, do not and cannot
function as MOSFETs. They physically cannot increase power delivery or trigger response due to being in-line with the battery.