Rifle Scopes Sealing Scopes

[kraigWY]

Is there a way to add nitrogen and seal a scope that was never sealed to start with. I'm talking about my Weaver K2.5 used on my Vintage Sniper rifle. These old scopes were put together using dry El Paso air. At the time they were used they were put in vertical rings which required removing the rear eye piece to get the scope mounted.

It would have to be sealed while the rear rings are attached.

I know there are other scopes out there but I need to keep this rifle CMP GSM legal.

Anyone who if its possible, and if so, who could do it????

 

[Pinecone]

I frecall an article many years ago about how Leupold made scopes.

To nitrogen fill them, they assembled them in a open top box that was filled with nitrogen.

But why bother? Nitrogen is not special. It is just very dry when it comes out of the tank. But El Paso air is also very dry. The whole point is to avoid condensation in the scope. So dry is dry.

To seal, some form of thread sealant would probably work.

 

[E. Bryant]

I'd attempt to purge the scope with a wiff of nitrogen or argon, then screw it back together. Grease would probably work "well enough" to seal the threads. As long as there isn't some drastic change in relative pressure (from temperature and/or altitude changes), it should be fine.

 

[kraigWY]

Maybe I should be a bit clear. I got this gun for vintage sniper matches, where the scope works fine as it is. After shooting the 600 yard stage I realize this rifle would make a great elk rifle. The 600 yard target is smaller then the vital area of an elk so why not?

The problem is I live at 4500 ft. I hunt between 8000 & 10,000. The early snow storms that hit the mountains are going to bring me moisture problems.

I was just hoping to prevent fogging.

 

[roggom]

Short of making your own nitrogen purge tank, not sure how else you can get it done. Iron sight has an 18 month wait time. There were some threads about Connor at Celtic Rifles doing some work on vintage scopes.

Here is his website, you may want to give him a call Home