I would never trust a $100-$200 scope for mountain hunting, and I'd bet most who are serious enough about hunting to spend time on forums like this wouldn't either. However, I'd bet that the bulk of Vortex sales are those cheap scopes. I bet they sell them in droves at Academy and DSG etc. The cool thing about Vortex is they will fix those just as quickly and with a smile as they will the very rare time that they get a Razor back with a fault. I'd bet the Viper PST Gen II's also have a low return rate. You can look at AAOptics.com, they have the contract for 100% of Vortex Refurbs. I believe he has said hes never seen an AMG and only 1 or 2 Razors, and I just looked and there are currently no Viper PST Gen II's on there.