I have had six HD LH scopes go through my hands and several people I stay in touch with purchased them per my recommendation. All in all, I am sorta keeping track on a couple of dozen of these. All of these are used on hunting rifles, so they are not used for turret twisting. However, they are all staying zeroed just fine and holding up well.
Of the ones I had my hands on, I tested tracking on two different ones and it was spot on for two turret revolutions, which is as far as I was interested in going. I ended up keeping the 1.5-8x32 which is sitting on my 458 SOCOM and staying zeroed on it quite nicely.
ILya
