Omg if i was his parent I would send that video to every firearm manufacturer out there. This kid should make the BIG bucks someday. He should sell that on Ebay.
working gun archive : MOCpages.com
this kids made all kinds as Printcraft stated. Unfortunatly, these are the only "firearms" the kid will handle due to the UK's terrible gun laws. This kid should move to the U.S., he'd probably have a few jobs lined up for him with skills like this.