How does it qualify as over sinked when it only has the minimum it can have, and a +16 heat index?! :o
Even bracket fire is hard to do here, what with the 8 point large laser. At best you can rely on the LRM and AC until you empty your bins, and then rely on the large laser instead, but either way, you get no significant leeway on heat here, even firing the lasers puts you at +6. Doable, but you have to be sure not to hit that particular weapon group trigger all that often.
Don't get me wrong, for an intro design I like it quite a bit, especially the looks, and the two main ammo dependent weapons both have two tons of ammo each, so that's also good.
Ah, wait, there's the problem, marauder648 has it listed as having 10 heatsinks, while the actual mech has 10 ADDITIONAL heatsinks, my bad then. So yeah, that is a bit over sinked, especially with bracket firing in play. Still, a running alpha for +8 isn't a bad thing really, right? It's not like you would go to that particular well all that often really.