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Old July 29, 2012, 09:36 PM   #1
rude robert
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312" bore 7.62x54

I searched but could not come us with any old post. I even tried to post on my old post and got no response lol

I just bought new dies to reload the mosin it has two plugs the the bigger one is 310". will this work for 312 bullet or do i need to order dies for the 303 round. thx for the imput.
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Old July 29, 2012, 09:49 PM   #2
GP100man
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The 310 will do the job for jacketed & hard lead pills ,but may need larger for softer lead.
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Old July 29, 2012, 10:23 PM   #3
res45
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My Mosin bore is .312" as well,I use the .310" expander ball for jacketed and hard cast bullets and it work just fine. The 303 dies will have the same size expander ball,if for some reason you need a larger expander get yourself a Lyman M die.

In my M44 I get best results with the 150 gr. jacketed .311 dia. bullet and in cast .314" GC cast lead bullets.
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Old July 30, 2012, 12:40 AM   #4
FrankenMauser
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Chamfer the case mouths and use the .310" expander. You'll have good neck tension, and it won't cause a problem unless you try to seat lead bullets. But... if you want to shoot lead bullets, you should be flaring the mouths anyway.


As long as you stick with jacketed bullets... shoot what's accurate. Don't worry about the actual diameter (so long as it's somewhere between .308" and .313").
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Old July 31, 2012, 06:07 AM   #5
rude robert
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thx i didnt want to spend more money lol
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Old July 31, 2012, 09:17 PM   #6
lee n. field
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Quote:
I just bought new dies to reload the mosin it has two plugs the the bigger one is 310". will this work for 312 bullet or do i need to order dies for the 303 round. thx for the imput.
Slug your bore. Mosins vary. My M38 has a .314 bore.
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Old August 3, 2012, 07:49 AM   #7
rude robert
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I did thx I measured .313 so Im going to 312. Now I just trying to decide what bullets for hunting any suggestions
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