They more than make up for the mediocre damage with a huge range and v good rat of fire.
Ive got quite a few kills with them on other medium and light mechs, and have legged heavies at range for them.
My only advice is to select you targeted area to be something other than whats mostly armoured, so weapon pods, legs, all are good targets. As for tanks.. well just keep up the sustained rof. Light gauss DOES force me off hills when im using lrms, and without me and others being on the hills on frostbite, you have a much higher chance of dodging volley of lrms
