Remember it isn't illegal to transport kit, as long as it is all dismantled and stuffed into your underwear.
If you are stopped, throw them off the scent by shouting "I haven't got a bomb or anything" so when they do pull out your gat, it seems alot less dangerous than the potential bomb you could have had.
Duck and cover should be used to dodge mp5 bullets. You've seen the matrix? If they start shooting, just duck and cover your a$$ outta there.
(or just read the top sticky)