do you (or anyone else) know of any good long-eye-relief models that can handle the increased recoil of a magnum handgun (454Casull)? I found one model, a gen3, that was around $2500, and that was with no bells and whistles. I could get by with gen1 sensitivity, but gotta have the eye relief and the shock tolerance.
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PVS-14 info
I suspect you might be better off finding a red dot sight that's to your liking and using it with head-mounted night vision goggles, probably a monocular type such as the PVS-7 or PVS-14 units now in military use. That's the approach taken by the military special operators using the big SOCOM .45 pistol, which nears the size and weight of your Casull earschplittenloudenboomer, and there have been excellent results reported with snipers using their regular 10X rifle scopes with the monocular NVDs as well.
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PVS-14 info