If you have a lay over you will need an agent to receive the arms and ammunition. They both get a lead seal clamped on the cases. I forgot the agents name but it was very easy and then he met me when I disembarked. My booking agent arranged it for me and it went smoothly and was about $150 back then. Don't take the black cabs look for a common cab or shuttle. My cab fair was about $300 across London, I could have shared a cab for about $50 if I had known.

Read up on the regs. as it has probably changed since I was there.

"When you disarm the people, you commence to offend them and show that you distrust them either through cowardice or lack of confidence, and both of these opinions generate hatred." Niccolo Machiavelli