Night Vision Clip-on Thermal Question

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I've had others tell me SKEETIR is 4 MOA off after a remount, if true, then not doing the "true clipon super power" thing, right? Contrasting PVS-30 and UTC are dead on, UTC I can confirm dead on out to 900 yds on heated steel silhouettes, switching it between multiple rifles, no adjustments needed or possible.
Do not expect non-clipons such as SKEET or UTM with diopters to be able to perform like that.

This was my experience too, the Skeet is not a true clip on unit.