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AR15.COM
10/21/2014 5:36:34 PM EDT
Anyone ever run their Viper PST hard?  Did you use it in a class or in a harsh environment?  I was just curious as to what kind of punishment these scopes can take?  I think it would be awesome if Vortex would do a torture test video or something similar showing how rugged these scopes are.
10/21/2014 6:08:47 PM EDT
[#1]
Definitely a good idea. I will pass the feedback along for when they decide to do more video ideas. It sounds like you're looking for a lot of outside opinions but if nobody gives you any good examples on here, feel free to give us a call and we can give you whatever examples we can. 800-426-0048 ext. 5



Thanks again!
10/21/2014 6:14:37 PM EDT
[#2]
Awesome thanks for the quick reply. If I don't get any replies I do have a PST 1-4 and a camera and could do my own experiment
10/22/2014 8:30:35 AM EDT
[#3]
Haha yeah we always welcome that too. It always looks less-biased when someone doesn't work for the particular optics company. Feel free! Just let us know if you have any questions on anything.
10/25/2014 5:34:14 AM EDT
[#4]
The only thing i've seen in durability issues is the Parallax knob issues. I've had the issue with the rings affecting the parallax knob. If you go over 15lb/in when torquing it will most likely cause tube deformation and affect the turning of the Parallax knob. Not sure if it's because of the sensitivity of the metal materials of the tube or what but it is a little annoying. Other than that, i've done drop test and a few other things with the original Vortex Viper PST 6-24x50 and it held up perfectly.

**Remember the warranty is amazing too unless you just flat out destroy it on purpose, then I'm sure they aren't going to be readily throwing themselves at you to replace your scope haha!
10/27/2014 5:09:00 PM EDT
[#5]
Generally, as long as the rings are good quality, and are not over-tightened, the parallax knob is just fine. I have gone 15-18 inch pounds with our precision matched rings with no problems. well-machined rings with proper torque and you're off to the races.
10/27/2014 5:51:33 PM EDT
[#6]
Precisely.. I had them at 20-25 which was talked about for my rings but when I returned the old one and purchased a newer one I just used 15in/lb and it was the gravy train. Never really knew there was a difference between the ring torque and the ability of the scope tube torque until a little bit more research.
10/28/2014 8:38:27 AM EDT
[#7]
Yup you got it. Right on the money.
10/28/2014 9:05:40 AM EDT
[#8]
FWIW in my manual it said tighten to the torque specs of the mount.  I'm using a Larue LT104 and its 30 in/lbs.
10/28/2014 9:38:40 AM EDT
[#9]
Yeah I definitely wouldn't go that tight. Since those clamp side to side, I might do 20 or so on the bottom rings (tighten them first) and then tighten the top rings to 15ish. Those side to side clamp design mounts can pinch tubes pretty hard if tightened down that much.
10/28/2014 12:02:42 PM EDT
[#10]
I did 25 in/lbs all the way around.  Haven't noticed anything wrong.