Gottit! I should have read the rules more closely.
I still think it should be possible for a street judge to be able to use different weapons, 15 years in the academy is more than long enough to learn how to use a number of different weapons effectively in my opinion. I reckon the point cost for a judge is appropriate for judge + standard issue weapons, but for extra firepower more points could be expended. Should be easy enough to adapt the rules for this.