In short me and my friends think the Puma VJTF and also the KF41 should be maximum on 10.3 and in optimal on 10.0.
Because in comparison to other light tanks the Puma has inferior weapons, the spikes are in 9 of 10 shots useless and the maingun has not the potential to kill how the others do.
It may be true that then the puma armor and modules not completly bugged that is the best armoured light tank in the game, but it is so and since they’ve added more modules, the puma is incapable of combat with almost every hit. And the best of all you always get tracked because magic. And then the Armour is not enough to tank maingun shots. And disadvantage to all other light tanks is the Puma is BIG who not see him is basically blind.
But we think the realy big problem with the BR on 10.7 is the uptier to 11.7 where its not possible to fight with puma.
For the normal Puma we think the best is 9.7 with the current stats for the most same reasons.
And regardless of that we think the Puma should get more pen then the KE DM 33 APFSDS-T is described from Rheinmetall to penetrat armour of the most modern tanks.