Does your SR2 have a weighthole?
The easiest would be to try 1000 and PGPolish, if that is better but not enough, then 500 and polish could be tried.
Yes, the weight hole is approx. 3 1/2 over and 1 1/2 under the thumb.
I think I'll try the 1000 w/PGPolish, thanks for the response.