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This one is 5.56/.223.

Nice! Semi or full auto?

Semi, of course. I'm not going through the red tape to get an auto version. 😇

Not sure where you live, thought it might be legal in your area. :)

I'm in the US, and it is possible but I'll honestly never bother. It's too much trouble and I personally see no value in full auto anything unless it's from a collectors point of view.