I present you an updated version of the Super Catapult (click here) that uses heavy instead of ER mediums. The huge shoulder mounted missiles is a feature of one of the most iconic mechs. You say this is not optimised because of larger hitboxes and/or missile spread? You're probably right. But this is the price for nostalgia! And here is an Alt Prime version that has omnibonuses and machine guns for +1 nostalgia ...