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Vintage Milsurp (PU) Scope Repair/Refurb?
Greetings. Brand new here. And a bit ignorant of PU Snipers.
I recently picked up a Mosin Nagant PU Sniper. The PU Scope turrets are very difficult to turn and calibrate the range. I assume this is probably due to many decades of old lubricant degrading over time. The distance and windage scale rings also seem too loose when the turrets are loosened for ranging (although this could be normal). Nothing appears to drift or loosen as a result of firing. It's seems to hold it's zero and the glass seems to be fairly clear.
I read over a very detailed post on the Gunboards Forum on how to disassemble a PU sniper scope and I definitely do not feel comfortable taking this on myself. I'd really prefer to send this to an optics professional that would be familiar with this system.
Are there any resources in our community that work on vintage milsurp optics? I found several while running various Google searches for "Vintage Military Rifle Scope Repair". These are some I came across. Lot of folks seem to bag on Parsons for taking up to or over a year and not returning calls but mixed reviews on excellent or awful results. In fact I find a mixed mixed bag of feedback for all of these folks.
- Parsons Scope Service (parsonsscope@zoomtown.com)
- Osborn Optical Systems (optical-repair@cableone.net)
- Don Miller (pfadfinder03@yahoo.com)
- Ironsite Inc (scopeservice@tulsacoxmail.com)
- ABO USA Inc
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10-03-2013 01:48 AM
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Still interested if anyone has info.
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I would leave it as is, except cleaning out the old cosmo from under the turrets and adding new grease. that's what i did to mine. i wouldn't suggest taking it apart because the PU scopes are filled with gas. removal of this gas will make it fog in cold weather
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The modern repro's might be gas filled but the originals weren't to my knowledge. I've had the lens cells out of mine for cleaning and saw no sign of any kind of seal that would keep the gas from escaping. I've had no issues with fogging in cold weather.
If the range and deflection drums are stiff I wouldn't recommend forcing them to turn, it could result in serious damage to the internals.
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