I'm looking to top off my AR308 build with a Vortex Viper PST Gen II 3-15x44 FFP. That's pretty much the top of .y optic budget for this build. I've fiddled with them in the store, but how do they work in the real world? What height rings do I need to clear the bell but keep it as low as possible? And is there something else in that price range I should be looking at?
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