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 7.62x53 vs 7.62x54
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lrry491
New Member

USA
64 Posts

Posted - 11/16/2004 :  4:21:16 PM  Show Profile  Reply with Quote
is it safe to use 7.62x53 brass in all the mosin nagents or just the finnish ones?

larry

richbug
Advanced Member

3544 Posts

Posted - 11/16/2004 :  5:08:55 PM  Show Profile  Reply with Quote
If you are talking about the 7.62x53 Lapua headstamped brass, then yes.

My border collie is smarter than your honor student.
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ern98
Senior Member

1821 Posts

Posted - 11/16/2004 :  5:11:31 PM  Show Profile  Reply with Quote
I've had a nodding relationship with the Mosin 7.62x54R rifles for many years, not in depth, but for a long time now. I've never heard of the 7.62x53. But there are a couple of basics that I think I can say. One rimmed cases headspace mostly on the rim, if the 53 isn't rimmed don't use it, I bet it is or you wound be asking. Also if the case is really 1mm shorter then the 54R then you will likely never be able to resize it back to useable in its original chamber as you will have really worked it when blowing it out to the larger spec. If you have a 53 I would compare it with calipers/drawings and see if it isn't truely a 54R with a different name. Lastly I'd want the spec operating pressures of the two cartridges before I'd go trying it in any just any old warhorse that you might have. The Finnish rifles were really top notch as I understand it. Others should be bye soon with more info........
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lrry491
New Member

USA
64 Posts

Posted - 11/16/2004 :  5:34:14 PM  Show Profile  Reply with Quote
Thank you for your help it is the lapua brass

larry
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Contender Man
Senior Member

USA
2169 Posts

Posted - 11/16/2004 :  5:52:20 PM  Show Profile  Reply with Quote
9th Ed. Cart. of The World, pg 325 .... virtually same as




If you only have time to do two things so-so, or one thing well ... do the one thing!
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Tailgunner1954
Advanced Member

7214 Posts

Posted - 11/16/2004 :  5:53:10 PM  Show Profile  Reply with Quote
The Finns call it 7.62x53R, the Russians call it 7.62x54R and we used to call it plain old 7.62Russian. The case actualy measures 53.5mm, so it can be rounded off both ways.


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Some guys like a mag full of lead, I still prefer one round to the head.
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