Between those two choices, I'd go SWFA personally.
The Vortex Viper HS is a hunting scope and has covered turrets. It's a good scope if you don't plan on making any windage or elevation adjustments on the fly and are good with using the reticle to do holdovers instead.
Given your experience, I'd recommend a used SWFA 3-9x42mm instead. It'll serve you fine and let you get use to the idea of MIL over MOA.
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