That question can be best answered by asking you a question; "What kind/brand of scope mounts do YOU like?".
I have Redfield/Leupold turn-in bases on some 99s.
I have Weaver bases on some 99s.
I have B&L Balvar bases on some 99s.
On the 99 that I shoot the most, which isn't much, I have a Leupold 2-7x33 mounted in Warne low gloss rings on Weave bases.
Jeff
