I have a 5 button mouse use the standard L-click: fire, R-click: alternative, and roll to select weapons. But i would also like to set my primary weapon to pull up when i click the wheel's button and to set reload to the other button thats not linked to a VoIP software (TS in my case)

Is it possible to allow that kind of remapping, besides assigning a key to each of the mouse buttons in the mouse software?