I did. It was worth the $100. It's on a 10/22 (no range time yet).
Some questions answered here: https://www.theoutdoorstrader.com/threads/nikon-3-9-40-bdc-89-99.1318401/
Thanks, Apparently I asked the same question in that thread.....Think I will pull the trigger this time and get one since I have a $25 Cabelas gift card laying around.