Yes indeed, the confidence to know it holds zero is worth a bunch to me, better than a truck load of sighters.

Agree with beretzs, my two most important rifles wear NF 2.5-10x32s. Next on the reliability scale for me are M8 Leupold 4x28s. I’ve had lots of them since my first one in 1974, have yet to see a zero creep with one.