In the Comments on the 2023 Boomershoot gear, Reader Beaner49 says:
“A scope with a BDC is a good choice rather than a simple crosshair.”
I will call mea culpa on myself on this one.
I am so accustomed to using a crosshair sight that I seldom look at any other kind; but Beaner makes a very good point, and I may be selling the scope part of the ULD rifle short. We’re talking about this:
vs. this: 
I have to say that I’m in agreement — never let it be said that I’m so stuck in my ways that I can’t make a change (although by and large, it’s a safe assumption — except when this kind of reasoning comes into play).
So I think I’ll be going with the Meopta Optika6 3-18×50 Illuminated BDC 30mm FFP (first focal plane).
It costs a couple hundred more than my original choice, but Let’s Go Brandon. Before anyone asks, the larger and pricier 56mm scope can be a POS to fit onto a rifle for not much more utility — but I’ll be ruled by the consensus of shooters more knowledgeable than I. (Scary, this new Kim, innit?)
The BDC work yes but I suggest that the owner ( Winner in this case ) first should zero it first on the main crossair and then checkout the exact balistic of each other at the range, using is own ” Field Ammo “.
Also Mill or MOA ?
I bought a Leupold last year that I still need to get mounted to my Ruger 77 mk II. I need a refresher on scopes. I guess I should line up some rifle instruction for the Spring.
JQ
I can see the utility of BDC reticles for field use. For known-distance target work I don’t see much value. For long range shooting the best approach seems to be to dial in the elevation and use hold off for windage. Once you’ve found the elevation for a given day, which should vary only a little from day to day you should be able to leave it alone and change the windage as needed with hold off instead of chasing the wind around with the scope knob. To this end I’ve found reticles with lots of ticks on the horizontal crosswire useful to help remember where you were last and what correction is needed if you are fortunate enough to see the splash. If not get your spotter to give you corrections, or call your splash in terms of target widths. That’s a common language you can both use totally independent of equipment. Make sure you agree beforehand what he’s going to call – splash or correction. Pick one and stick with it.
Starting to sound like that other SA … Elon Musk…taking the pulse of the customers !!!