Set up my Model 70 Classic SS 338 Win mag with a set of QR bases and bought two sets of QR rings.. put a Leupold 2-7 in one set and a Bushnell Elite 3200 2-7 in the other.. sighted both scopes in, and in switching scopes both are holding zero.. will be takeing this set-up to Alaska in two weeks.. Nosler 210 partions are grouping under an inch at 100 yds.. Now, if it will just quit raining.. Les