How important in primer sealant?

C

Cossack

New member
I recently picked up some Sellier and Bellot 9mm and .45 and noticed they don't use the red primer sealant anymore. I always found it to be kind of comforting to know they were sealed.

That got me thinking - some manufacturers and certain marketing lines of ammo come sealed and others do not. How big a deal is this? Would you pay extra for ammo with primer sealant?

Are there certain contexts where it matters more, such as for long-term storage? For a carry gun? Camping, hunting or another situation in which it could be exposed to moisture?
 
Many of my reloads have taken a ride in the washing machine after coming home from the range.
And they all went bang when I tried them.
Leads me to think that ammo is pretty much sealed without any special treatment.
 
But if you REALLY feel it necessary, save yourself a lot of money and go get some of your SO's clear nail polish.
 
But if you REALLY feel it necessary, save yourself a lot of money and go get some of your SO's clear nail polish.
Click to expand...

Probably better off getting the color she no longer likes or has a dress to match. That way you're helping her get rid of it without her wasting the money she paid for the stuff. :D
 
Water will not pass through an opening of less than .04mm even under the pressure of an enclosed cooling system. That's .00157". A pressed in primer has far less than that, probably microscopically close to zero. There's no way any water you encounder out hunting is going to get inside the cartridge. Same applies to bullet to neck fit. You'd have to be able to just about shake the bullet out to get an opening large enough to get water in. Sealant does nothing.
 
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But what about all the dummies on the internet that are shooting their guns underwater without them going "bang" and after the "click" they say it's bad ammo?
 
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