Vortex Viper PST zero stop is inconsistent

[Iloveguns]

Have you still not sent it in yet?

[Whiterabbit]

no I have not. Tracks OK, can shoot a box.

Two kinds of people. Those that take their car in to get the oil changed, and some manage it themselves, with input from others as needed.

[Iloveguns]

no I have not. Tracks OK, can shoot a box.

Two kinds of people. Those that take their car in to get the oil changed, and some manage it themselves, with input from others as needed.

What about those people that get there Oil Changed for free cause it came with the warranty?!?! Just sayin! Hope you can figure it out. There CS is top notch and you would not be out of pocket on anything.

[Whiterabbit]

I'll save it for when (if) I have a red dot that doesn't hold zero, or ditto on a scope, or the like. Calgunners can't advise me on that, like they can on zero stop issues.

[Whiterabbit]

I was thinking about cutting my own zero stop out of brass round stock.

If you have a lathe and can machine your own with accuracy you would be in pretty good shape.

Problem solved.







This is before deburring and test fit.

haven't tested under recoil yet. But on the bench, it does not stop to the nearest click or two. It is dead nuts exactly the same, every time.

[ExtremeX]

That looks pretty sweet... nice work.

[LBDamned]

OP, did you originally alternate the direction of the shims? That could be why it wasn't consistent at it's stop?

It really shouldn't matter though where it stops (since it's not zero stop) - it's just getting you close so you can bring it to zero (whether it stops at same location won't change that).

here's a good install vid:

[Whiterabbit]

Hi LB, that was covered twice above. But cliffs notes if you don't want to read, yes. The shims were stacked. And more important, it was awknolaged that its not a true zero stop, that it was inconsistent to the point of not knowing if I went all the way through the dial again. Am I back to zero? or 12 moa past zero? That was the concern.

You're the second guy who didn't get it. Another member explained it for the first guy, I appreciated it. Obviously I could have written it more clearly.

Thanks

[LBDamned]

Hi LB, that was covered twice above. But cliffs notes if you don't want to read, yes. The shims were stacked. And more important, it was awknolaged that its not a true zero stop, that it was inconsistent to the point of not knowing if I went all the way through the dial again. Am I back to zero? or 12 moa past zero? That was the concern.

You're the second guy who didn't get it. Another member explained it for the first guy, I appreciated it. Obviously I could have written it more clearly.

Thanks

I totally got it (and addressed just that in my post)... I will admit however, that I overlooked the post that you acknowledged stacking the shims alternating the opening... I'm no physicist, but that seemed the most likely cause for your problem (not a whole lot of things it could be - since you confirmed that the turret cap was tight and not slipping).

I've done a boatload of research on this scope (4-16x50 and 6-24x50) and haven't seen this problem repeated by anyone... apparently its an anomaly - that I'm sure Vortex would address... and yes, I saw that you don't want to go that rout.

Looks like the custom cut shim did the job - so it had to have something to do with the way the shims stacked... unless of course you still have the issue after tested with recoil.

[Whiterabbit]

Good luck to you and your research.