Originally Posted by mathman
An old Weaver may have been mechanically tougher than the subject scope, the modern Leupold.
I've got a 21 year old Jap K-2.5 that has been mounted on a 12 gauge slug gun through 4-500 slugs and then a .30-30 for probably another 800- 1000. It still holds zero and shoots SUB MOA groups on the .30-30 today.