This was a neat build I put together while grinding the basics on the 9K, and it worked out pretty well. It's pretty good at keeping lights off your ass, and even killing them if they decide to stay. and it's no slouch against larger mechs. It's problem is a lack of range, and some heat.
Reworked it around the STD 320 engine, that is the stock one, and after some damatric changes, like downgrading the armour, ammo, and the amount of JJ, i came to this, with SSRMs and BAP instead of the SRMs:
