4x Leupold EER on my 460 S&W revolver.. No problems.

UltraDot on my 657 41 Magnum S&W.. l like the 2-4-6-8 dots.

Trs 25 on another 657 and no issues.. lts just too small..

Favorite is a 2x EER LEUPOLD on my 629 Light Hunter 44..