Ramare
I guess it could also become T3, although that'd be wierd siding it right next to the UMP. However, this would also build a case against keeping its RoF slow since the UMP is exactly what it's doing right now, with heavier damage and a smaller mag (but much better recoil). No sense in having two SMGs that similar. Tommy could be bumped up in RoF and damage, more damage than now but less than the UMP. Problem is, then in its effort to stay further away from the UMP, it starts leaning into being more similar to P90's territory.
The balance would work well for Commando, as it'd be very different from the AK-12 and the MKb.42(H), but SWAT might be feeling underwhelmed. It'd hardly be a bad gun, but it might garner some complaints of being more of the same. It could work......but SWAT already has 3 T3s as well, so there's that to consider. I still think T4 would be best, as SWAT desperately needs more options at the top.
Eight Foot Robot
I still disagree, but I'm having second thoughts of arguing for the RoF as high as I'd previously been. I'm starting to think 800+ RPM might not be necessary.
I decided to go take a look at the stats of the Thompsons in KF1 for reference just now. The wikis say that they all fire at the same speed, which is almost 12 rounds per second. That puts the KF1 Thompsons at roughly the 720 RPM ballpark.
That got me thinking - we don't have any SMGs quite like that.......or ANY guns quite like that, at all. For once, Commando and SWAT share this lack of mid-ground; most SWAT guns are all super fast by conventional firearm standards (with the exceptions being Tommy's current state and the UMP, both 600 RPM). Commando's arsenal tends to lean to the slower side of many modern assault rifles - generally 600-650 RPM, with the Varmint and MKb.42(H) being slower. Only Stoner breaks higher, and all the way to 909.
Part of me still thinks that what SWAT could really benefit from is a T4 Tommy that was sorta similar to the Stoner, with less RPM and base mag but higher damage and otherwise rather similar. But failing that.......A 720-750 RPM Tommy would work very well, maybe even better. It'd be keeping in the spirit of its KF1 roots.
Most importantly, it'd give the gun that a feeling rather unique to KF2. Seriously, where are all the 700something RPM firearms?