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Reloading Berger Bullets

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Primer sealant?

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  #8  
Unread 06-03-2013, 05:49 PM
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Join Date: Sep 2009
Location: Malta NY
Posts: 722
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  
    Unread 06-04-2013, 02:32 PM
    Platinum Member
     
    Join Date: Feb 2011
    Location: Cincinnati, Ohio
    Posts: 2,438
    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  
    Unread 06-05-2013, 11:30 PM
    Gold Member
     
    Join Date: Nov 2009
    Location: West Texas
    Posts: 530
    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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