Never had a scope (mount) problem in 45 years of shooting until now - always use/ buy Leupold products - old school. Shoot a Kimber 84M in .308 with STD Leupold base/ rings and VX3 3.5-10 50mm glass. I noticed that the rear ring mounted with windage screws had shifted slightly forward - screws were tight. However, something did not look right; removed the scope and rear ring - to my dismay, the "dimples" underneath the windage screws had begun to shear off - steel rings shearing - hmmmm! The rifle is very light and is a real thumper on the bench; the scope is a heavier model for that rifle weight. I am guessing that the combo of sharp/ quick recoil and a larger objective (heavy) scope combined to cause the shearing - just not sure. Your thoughts? Thanks.