How do I get past the guards when I have my gun

Hint 1 of 8:

You COULD always try shooting your way in.

Hint 2 of 8:

But death is never very fun, now is it?

Hint 3 of 8:

First, give them your gun.

Hint 4 of 8:

Then, listen to what they're asking for.

Hint 5 of 8:

They want a bribe!

Hint 6 of 8:

Do you know of any black market item the would want?

Hint 7 of 8:

How about the Fisto candy bar?