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PU Scope Accuracy?
This may be the gunboards thread you're referring to: PU scope disassembling and repair instructions (Many pics inside!) It's really excellent: ESSENTIAL for anyone thinking of opening a PU up. I will look at the leather washer matter again. I don't see how they could influence...- Nuthershooter
- Post #24
- Forum: Vintage Sniper Rifles
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PU Scope Accuracy?
Yep. And I'll keep coming back to share new obstacles. Well ... and any progress. At the most recent range session I did the obvious (as in, I should have done it before) experiment with the problem PU: I wound it to '0' elevation, then up to exactly '3' where I usually shoot for 50 and...- Nuthershooter
- Post #22
- Forum: Vintage Sniper Rifles
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PU Scope Accuracy?
Actually figuring out the problems is a lot of the fun and I don't have to win every time. I now have an Accumount 1" split ring PU mount and a scope with eye relief that will give me a decent shooting position so I can work on the rifle while the scope work goes on separately. Many thanks to...- Nuthershooter
- Post #17
- Forum: Vintage Sniper Rifles
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PU Scope Accuracy?
Cute little thing. If it'll stand up to Mosin recoil it should be useful. Odds and ends: It is possible to make shims for the PU scope by hand. Estimate the thickness by unscrewing the objective to get zero parallax, then cut a 1-1/2" or so square of suitable stock -- I used a tin...- Nuthershooter
- Post #12
- Forum: Vintage Sniper Rifles
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PU Scope Accuracy?
The lenses are good on these scopes but the precision of the assembly -- or it may be repair, since it's likely they were all re-arsenalled at some time -- is REALLY poor. Of three '43 Progress PUs I've used, ALL THREE were seriously out of focus, i.e., considerable parallax error. Shimming...- Nuthershooter
- Post #10
- Forum: Vintage Sniper Rifles
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PU Scope Accuracy?
That is what I've started to suspect about at least the late model PUs. I don't see how there could reliably be less than 1-2 MOA of play in the elevation/windage mechanism. The two knob shafts are threaded with four threads of about 0.75 mm pitch (wound together something like the...- Nuthershooter
- Post #9
- Forum: Vintage Sniper Rifles
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PU Scope Accuracy?
I have a couple of PU Mosin snipers (the Classic/AIM ones) that I've been shooting this summer without impressive results. Nothing seems really wrong, but though 7N1 groups some better, it doesn't do much less than 2" at 50Y. Close to the field spec (8cm @100M?) for Mosin snipers but not really...- Nuthershooter
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- Replies: 30
- Forum: Vintage Sniper Rifles
