You still need to keep an eye on the heat, but otherwise it works fine. 350 missiles are good for 29 full strikes, resulting in a damage potential of nearly 700 from the missiles alone.
Just wanted to post to OPs build. This is a great Mech, I hadn't run it in almost a year but dropped in tonight since the Quirks changed it. DMG 744, 3 kills. I was running very aggressive however. <3 my Hunchy