same set on a 700 action through numerous barrels. min of 16 years, rode hundreds of miles on the handlebars of my bigwhweel motorcycle, thru rough singletrack trails, , numerous wrecks, hundredz of miles in scabbard on my mules,, no issues,, id still be using them but upgraded to 30mm,,, talley 1 piece,,, whats funny is a 20 yrold leupold 4.5x14 that has never changed zero. unless chging loads or barrels, never been back to leupold,,,
