The first is a Type 38, the rest are Type 99s, if my brief scan of the photos is accurate. One looks fairly nice!
And yes, the odd link does seem to have "evilness" embedded. Not sure why.
Depending on how industrious and studious you are, those barrels could keep you gainfully employed for quite some time! Good parts, well photograghed (use a real camera and utilize the macro/"flower" setting), and folk will happily buy. Those Type 99 sights with the wings attached are sought after, for one example. I