legend(with round destabilization) kit or bumblebee (with duplet) i was planning to buy one of these in my main account i like to play with railgun but legend kit is expensive compared to bumblebee so does legend kit worth the money or should i go for bumblebee?

can anyone help me?, I currently got m1 smoky with m1 titan so should I micro upgrade titan to m2 or smoky to m2??? or should i buy some other kit or wait for m2 kits??? please help

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guys please help me i need a m2 turret and hull i think i will go with viking but i am confused about turret twins,ricochet,shaft which one is better?