Originally Posted by Air Armed
Once shooting in a HFT Competition you are not allowed to adjust your scope at all so adjustable AO doesn't matter, I used a fixed 10x44 viper when I used to shoot it along with many others who did too.
There's plenty of proper HFT shooters on here for advice
But while the Viper didn't have AO it does have side focus. I didn't think we were talking about magnification.