Although I cannot comment on the SHV, I do have and have used a 5.5-22 NSX extensively in all weather conditions. I'd imagine the SHV would be similar.
The scope has been rained on, snowed on dropped and even accidentally dunked during a river crossing. It has taken this abuse and is still functioning as well as the day I got it. Currently sitting on a 7 Rem Mag with 6 bolt weaver rings and recoil has never been a problem. The clicks are positive and easy to feel even with frozen cold hands. Recommend ZeroStop as it saves confusion when returning to zero. Reticle is clear and easy to see through all magnifications and I have never seen any distortion around the edges at all magnifications. Mine is illuminated but this is something that I hardly use. If I were to purchase it again, I'd probably go for a first focal plain ATACR, but that is a personal preference only.
All in all this is probably my best scope, (although I do find my Zeiss's clearer), and I'd sooner sell the rifle than the scope.
Hope this helps,
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