I like the stories of all the persons mounting a scope, doing all the neccessary steps including lapping the rings, and forgetting to tighten the rail base to the rifle, thus causing all work to be re-done, usually during a competition match. Reference latest FCSA VHP publication.
OldmanFCSA = "Oldman" at www.fcsa.org
FCSA Member, SCSA Member, NRA Member, & AMA Member
"Oldage & Treachery will overcome Youth & Skill"