For those that twist turrets [to which group i include myself] the most recent article by Norm Johnson was quite enlightening on applying cheap scope turrets at longer ranges. Interesting how he "breaks in" a turret by running it back and forth throughout its adjustment range, and loading the bias spring as a final adjustment. It was the motivation for me to adapt a finger-adjustable turret on an el cheapo 2x Barska handgun scope as a target turret on a Ruger Mk III Tgt. model 22 RF for 1st shots at 225 [30 MOA], 300 [50] and 425 [90] yds. All this from a generic ballistics program profile for a .1 BC at 1200 mv. May not have been perfectly "precise" but it sure was fun! Turns out these FA turrets are actually resettable to "0"--

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