I was asking about them twice around here but got no responses.

I recommended one to Dad's friend who was looking for something out to 400-500yds. Here is another forum chat on them. Shows some pros and cons but overwhelmingly pro.
Sigo Kilo 850

Hope it helps.


When a country is well governed, poverty and a mean condition are something to be ashamed of. When a country is ill governed, riches and honors are something to be ashamed of
. Confucius