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Primer sealant?

 
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  #8  
Old 06-03-2013, 05:49 PM
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Join Date: Sep 2009
Location: Malta NY
Posts: 718
Re: Primer sealant?

CA48,

Not sure if this thread will have additional value for you but it is the one I was referencing earlier.

Here is the link....

Acrylic Primer Sealer

Aldon
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  #9  
Old 06-04-2013, 02:32 PM
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Join Date: Feb 2011
Location: Cincinnati, Ohio
Posts: 1,893
Re: Primer sealant?

Quote:
Originally Posted by Aldon View Post
The point about ammo sitting for long periods is valid.

I myself started a similar sealant thread a couple years ago.

By the end of the discussion a prolific poster to this board had gone back and noticed that the primers needed slightly reseated to original depths....

I think another Platinum poster mentioned in another different thread that the firing pin to primer consistency had an impact as well on accuracy....greater than before surmised.

So if the primers can incrementally move enough that the accuracy could be impacted, then the sealant might have a value add.

However IMO, for these very small variances, the load would likely have to have .25moa accuracy at the onset to notice a deterioration due to this potential advent.

So for 99% of the time, the sealant is likely burdensome overkill step.
Primers dont move in REAL military ammo because...
1) its not once fired...its NEVER fired thusly the brass maintains enough tension to hold it in place
2) Primers are CRIMPED after installation. Ya can barely get them out AFTER first
firing..let alone while still live
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  #10  
Old 06-05-2013, 11:30 PM
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Join Date: Nov 2009
Location: Central,Texas
Posts: 479
Re: Primer sealant?

Quote:
Originally Posted by Aldon View Post
CA48,

Not sure if this thread will have additional value for you but it is the one I was referencing earlier.

Here is the link....

Acrylic Primer Sealer

Aldon
Thanks, for posting the link I enjoyed reading it but its not
the one I was referring to. Although it got my wheels
turning. In that particular thread they had some good
therories of pressure build up and creating pressure when
seating the bullet. In my experience I don't think this would
cause enough pressure to back the primer out. I used to lube
my bullets before seating with a thin oil and after seating
you could see air pushing the oil out if you looked quick enough
in some cases. I've never heard of primers creeping out til
now. Just one more thing to worry about, thanks .
My main concern was moisture after storing for a long period
Of time. I guess if it is possible for cases to build up pressure
you will definatley find out after sealing them up.
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