Just updating:
Rounds rounded
509T A: 35k rounds last 3 years doing great
509T B: 10k rounds doing great
509T C : 1k rounds, doing great
EPS Carry 2 moa A: 6k rounds, battery drain felt fast but realized I was using battery it came with. Will.monitor
EPS carry 2 moa B: Carry gun. 2k rounds holding up fine
EPS carry 2 moa C gets broken in next week
My wife's eps carry mrs and 507k have been fine. Probably 5k round spread amongst 3 optics