Maybe adding customization for belt(IE individual rounds), and what order they fire, fire rate, how much damage what shells do, speed, spread, tracer color(or no tracer), and a converge distance. I feel like at least some of us would like to have more customize-able guns, if we had features like that better quality builds(and some Over-powered builds), would be easier to make. round types with HE we should be able to customize radius, and penetration(same with frag types), and have that damage a separate damage, different MMs of rounds, I know it's a lot but I believe in the Simple Planes developers. ;)