jt marker 6.0

[smartypants]

hi there all are there any upgrades which can be done with the JT 6.o like a new board in the grip with selective rates of fire ????

or shortining the trigger

 

[DieselRaptor24]

Well you could buy a Spyder Sprint frame, which has single ,3round, full auto and Im not sure what else. There are other ones that fit too.