If you have a semi-auto, better check the mag capacity vs. what state law allows. I may be wrong but I believe just possessing mags over a certain capacity is illegal.
Also, and this goes for any state, if you get pulled over and LE asks to search your vehicle, do NOT give consent. They may try to coax you into allowing by saying things like, "What do you have to hide". Just reply that if you want to search the vehicle, get a warrant as per your Constitutional rights otherwise write my ticket for the reason you stopped me and let me be on my way.