I use one of these and it works well for my mild cross-dominance: https://broncos.co.nz/optics-and-sig...i-comp-shotgun It's not super-bright though (which is fine by me), and it sounds like you might have other requirements as well?
These longer ones are pretty bright, as long as there's some light around for it to pick up https://xhunteronline.co.nz/products...3e9db687&_ss=r
Neither will be quite the same as a dot sight, obviously.
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