Originally Posted by
OldBob47
BA,
OK, this is crude, but before I did all that driving, I would have put some kind of shim stock (coke can, whatever) in the hole in the base, so that it would tension the front ring upwards. This would take out the slop, if what a I am envisioning is what I remember from many years ago. This is a 90 degree twist, right?
OldBob
Yes, the 90 twist for the standard dove tail mount. It was tight when first installed. Shims are out of the question for me. I shoot a custom with very heavy charges, much heavier than can be shot in production rifles.