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8x50R Mannlicher
 Moderated by: Slingshot, Rockydog, klallen, DesertMarine, -6
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 Posted: Tue Feb 23rd, 2010 03:07 AM
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Charley
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Finally got around to loading some last weekend, hope to empty them out soon. First batch made from Privi 7.62x54R cases, with Lee's 185 cast .324 bullet. Dummy  round was too short to feed well, will probably single load these.

Second lot was reformed 7.62x54R cases, with a custom Lee .240 grain .325 cast bullet (bought as close out!). Original load was a 244 RN bullet, this one is long enough to feed. Tried forming one case from Privi 8x56R brass, looks like it will work as well or better than the 7.62x54R, just needs some trimming before sizing.

Attachment: DSCF0006a.JPG (Downloaded 38 times)



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 Posted: Tue Feb 23rd, 2010 03:10 AM
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Charley
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Comparison of the 8x56R case (top) and the 7.62x54R case (bottom). 7.62x54R should fireform with no problems.

Attachment: DSCF0005a.JPG (Downloaded 38 times)



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 Posted: Tue Mar 30th, 2010 03:32 AM
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Charley
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Finally got a chance to run these thru my rifle. Even the longer 240 grain bullet wouldn't feed well, looks like it is RN or single shot. I'll try Lee's .329 200 grain next. Accuracy was so-so, but  test fired more for function anyway.



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 Posted: Tue Mar 30th, 2010 11:09 AM
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Bigdog57
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How do the 7.62 cases look after fireforming?

I've read of guys using them for the longer 8X56R loading, but I have not tried this as they are too short.  I bought a bag of 8X56R brass, but it is mighty spendy!



 Posted: Tue Mar 30th, 2010 12:45 PM
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Charley
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They fireform just fine, and are the correct length...no need for forming from 8x56R. Just did one, will save the rest for my 8x56R.



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 Posted: Tue Mar 30th, 2010 01:54 PM
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72coupe
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Have you slugged the bore to see what size bullet you need? I would be interested in that number.



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 Posted: Wed Mar 31st, 2010 12:43 PM
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Charley
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72coupe wrote: Have you slugged the bore to see what size bullet you need? I would be interested in that number.
Nearest I can measure, .315 x.327 or so. The Austrian really believed in bullet upset filling deep grooves.



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