How about UPS delivering a Marushin M16A1 full auto blank firing kit? I am astounded by the quality throughout. All parts that should be metal ARE. If I didn't know better, I'd think it was the real deal. My only complaint is the directions are all in Japanese. Very good line drawings, but still I'd like to read what it is they have to say. Guess I'll refer to my SP1 and the AR15 diagrams for some of the assembly. Now to only find some time to assemble it!!
If you have not seen one of these babies before, here is a link to some pictures of one that was on eBay.
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=2172873972&category=36065&rd=1
Don't ever buy one on eBay though. People pay some crazy prices. I found one (unadvertised) at Nippon Hobbies for HUNDREDS less than eBay!
The rifle came with one 20 round mag and 5 special cartridges. They unscrew on the bottom for special caps. Looking forward to trying it on full auto.