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reloading 9 mm for my 1939 vintage mauser Luger

This is a discussion on reloading 9 mm for my 1939 vintage mauser Luger within the Reloading forums, part of the Firearm Forum category; hello to all , sorry its Saturday afternoon and martinit time, I am thinking of loading, opps, reloading 9 mm for my 1939 vintage mauser ...


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Old October 26th, 2019, 12:36 PM   #1
 
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Angry reloading 9 mm for my 1939 vintage mauser Luger

hello to all , sorry its Saturday afternoon and martinit time, I am thinking of loading, opps, reloading 9 mm for my 1939 vintage mauser Luger , any tips would be appreciated ,
, many thanks, rojo



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Old October 26th, 2019, 01:11 PM   #2
 
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Duplicate 1939 factory loads!
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Old October 26th, 2019, 02:01 PM   #3
 
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???????????
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Old October 26th, 2019, 03:05 PM   #4
 
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Jacketed or cast bullets? It almost isn't cost effective to load 9mm plinking ammo, as cheap as you can find it on sale. Look at Hodgdon's data center for reload data:

Hodgdon Reloading | Home
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Old October 26th, 2019, 03:08 PM   #5
 
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The Luger tends to be very finicky about ammunition - it will fail to cycle properly if the load is too “soft” or too “hot”. If it shoots well with current commercial ammunition, I’d aim for middle-of-the-road velocities with bullets of 115 grains. Start low and work up to mid-range, looking for the lowest load that will reliably cycle the pistol.

The toggle action isn’t the strongest 9mm action, so don’t try to load +P levels.

Jim

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Old October 26th, 2019, 03:25 PM   #6
 
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howdy boys , I am beginning with lead as someone gave me a 124 gr mold, if &
when we have a zombie Apocalypse , I will be prepared .

sorry too many martinis ,
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Old October 26th, 2019, 03:43 PM   #7
 
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Lead bullets would be a good idea - easier on the barrel. Again, look for the lowest power load that will reliably cycle the action.

Jim
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Old October 29th, 2019, 02:42 PM   #8
 
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GONRA sez - remember Lugers have small diameter spring loaded (striker) firing pins! Be SURE to check Fired Cases for PRIMER CUP FIRING PIN PIERCES (holes)!

Seek factory ammo that doesn't exhibit pierced primer cups. Reloading? Select small pistol primers that "go bang BUT don't pierce".

Gotta get a balance twixt "goes bang with the Luger striker" but DON"T PIERCE PRIMER CUPS! Tricky...

Last edited by GONRA; October 29th, 2019 at 02:45 PM.
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Old October 30th, 2019, 05:41 AM   #9
 
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I reload cast lead 9mm for a WWII Walther P-38.
Even with 45 years of loading cast bullets in handguns...
that stinking 9mm Luger gave me fits...everything from bullet size , nose profile , seating
depth , seating the bullet without deformation , powder charge ...it all conspires on you to cause failures to feed , failure to chamber , failure to eject and poor accuracy .
And that's with a P-38 the P-08 is even more temperamental.
This is the only round I've ever reloaded that made me curse at it and almost give up.

I can tell you my biggest help was the use of truncated cone bullets of 120 gr. and 124 gr. weight . The TC was the original 9mm bullet designed for Lugers .

1.) Lee 356-120-TC , sized .357 , this is a plain based bullet . It would feed just fine but When seating , the case would size down the bullet causing inaccuracy .

2.) Noe 358-124-TC-GC , sized .357 . this is a truncated cone with a gas check !
The GC protects the bullet base and helps with seating .

3.) Another big tip...order NOE's case expanding plug to use when flaring the case mouths , works like a Lyman M die for cast bullets and allows for seating without sizing the bullet smaler .

These are the 3 biggest things I learned...and learned the hard way .
Don't try to "light load " the 9mm even the P-38 wouldn't stand for it. Start in the middle of the load data or find data for the P-08 specifically .
Good luck ... the 9mm tested my abilities ...but I did , eventually , get it all worked out.
Gary
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Old October 31st, 2019, 01:27 PM   #10
 
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GONRA's experience agrees. Truncated Cone bullets are "the Way-To-Go" for cast bullet 9mm Luger pistol CAST BULLET reloading.
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Old October 31st, 2019, 02:37 PM   #11
 
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hi guys, can someone post a picture of Truncated Cone 9mm bullets
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Old October 31st, 2019, 03:02 PM   #12
 
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I think hodgdon longshot powder is a good one to use because it will have the widest range you can load within.
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