Just don't reload if you don't have to, like if there's still quite a bit of ammo in the magazine don't reload... because of how the ammo system works you don't get back any ammo you still had. more realistic I guess.
I like universes filled with galaxies filled with planets filled with wildlife filled with cities filled with buildings filled with apartments filled with rooms filled with safes filled with boxes filled with jars filled with bottles filled with cans filled with water filled with pop filled with oil filled with mini keyboards filled with keys filled with ink filled with insects filled with bacteria filled with DNA filled with atoms... This comment took over 3 minutes to type.
When your making fleets for commanders make sure that the ships pair well with the commander and the ships weapons pair well with the commanders weapon expertise.