How about a 2 or 4 power red dot. Out to 50yds that would work great.
I just put a 4x Barska on my SR22. http://www.natchezss.com/product.cfm...2&src=exrbSrch
So far so good. Holding 10 shot 1" ring at 50yds
Concentrated power is not rendered harmless by the good intentions of those who create it.