I'm happy with my Primary Arms 1x20 Compact Prism sight. $250 after tax from Amazon.
Even if the battery dies, the etched reticle can be used. No need to co witness sights.
Thanks for the response. It helps me understand my equipment. I don't own a decent screwdriver so I'll send it back to S&W.
I've owned S&W revolvers about 35 years. Two of them (models 10 and 442) had triggers which did not reset very reliably and a dose of oil was all that was needed. I also...
I took my new .22 to the range and after about 100 rds the double action was rotating the cylinder but not pushing the hammer back. I fired some rounds single action and had no problems. After reloading, it shot all 8 rounds double action. Then the problem returned.
I brought the gun home and...