All of my my rifles have Picatinny bases: A CZ 550 375 H&H, a Tikka 9.3x62, an H&K SLB 2000 .30-06, and PTR 91 .308. I use La Rue QD rings on all of my scopes. Not cheap. Everything pretty much returns to zero.
The deal with La Rue is: "Buy Once ... Cry Once."
