Thread: BDC or build a DOPE?

You're both right but I don't think anyone said anything about guessing ranges. You're going to need a rangefinder either way.

I don't use my holdovers for guesstimating. I know that on 15x zoom with my load they are at 300yds, 400yds, 450yds and 500yds. With different zooms they change and I'd imagine that this can be a lot faster than dialing once you know enough zoom ratios for your load (I don't). Lot faster to simply adjust your zoom than to get out the ballistics app and then dial.

They are nice to have though, and the only deer I've shot I used my 400yd holdover. I don't know if I'd bother with 223 though, prob go for turret for varminting.