I used all generations of Holosights on my pistols. First I had a Gen 1 holosight made for Bushnell by Eotech on a 454 Casull, then on a 500 and 460 Smith. Never a hiccup. I've got a AA battery Eotech on my Beowulf. The creator of the Beowulf told me that was the only sight the AR had not destroyed. The first generations are really hard to find now but loved the one I had on my Ruger Mark II 5.5" heavy barrel. Unfortunately, contractors stole the several I had set aside and now I'm down to 2 that were on rifles in the safe.
None of those equal the abuse of mounting a red dot directly to a semi auto pistol slide.
