I have a couple Vortex Vipers with BDC on my rifles. A couple of the older 3-9's and a couple of the newer 2.5-10's. The newer 2.5-10's are very solid scopes with good glass.

9 or 10 power max as you need to crank them up to max power to have the BDC work right.

A true sportsman counts his achievements in proportion to the effort involved and fairness of the sport. - S. Pope