None of the above.
I’ll throw a beacon on him and call on my radio for a FAE airstrike on his jihadi buttocks and run away from him as fast as possible!
FAE - Fuel Air Explosive.
Video of an FAE in action!
http://www.youtube.com/watch?v=GmRASCHJe2Q
But if I had to use a firearm to defend myself I’d use the AA-12 fully auto shotgun.
http://www.youtube.com/watch?v=p4ebtj1jR7c
That looks like it should work pretty good if you are attacked by my old Utah school. I think K through 12, but nobody I knew went to K and everybody I knew was kicked out by 10 . Does that seem redneck ?