Maybe I got a bad pair.
I tried a pair on a SW 66. At home I set the laser to match the sights. Then at the range I used the laser to point shoot single action. It was WAY off from point of impact. I lined them up again, they were WAY off in another direction. I shot the biggest group I've made since I was 10.
I went back to the sights, the groups were regular size.
I returned the grips.
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