so i am going into a new career field where i will be doing a lot of undercover and outside the wire missions. what would be the best kind of martial arts that would help me the most in dispatching enemys quickly and efficently. also what kind of Punching bag should i buy so i can do this at home and where would be a good place to order? i have no MMA experience other than fighting in the streets and wreslteing in iraq. please help me for i want a fighting edge when i cross train. Thanks!!