||I ordered the 280k box of awesomeness and this was inside. I LOVE IT.
8mm gear box
I don't really like the crane stock it just feels kinda cheap.(not that it is it's just me) and if you try to chance it out to a G&G crane stock you're going to have to change the buffer as well.
OVER ALL: BUY IT.
Rating: [5 of 5 Stars!]