help first build

Discussion in 'General Airsoft Discussion' started by whitehope77, Nov 24, 2015.

  1. whitehope77

    whitehope77 New Member

    I have a m4 and just bought 13.1 gears hi torque motor and 130 spring new piston and that on the way .Do I have to do anything besides reassemble in reverse and do you have to short stroke are anything with higher spring . Any help be great . new to this thanks
  2. SirPsycotic

    SirPsycotic New Member

    It's highly recommend doing some simple mods (shimming, aoe correction, greasing, ect.) These will greatly increase reliability and trigger response. You may also want to get a MOSFET to use higher voltage batteries.