StarReloaders.com Discussion Forum
Star Reloaders Discussion Forums => Loading Data & Reloading Procedures => Topic started by: tabranch on August 13, 2009, 12:14:03 pm
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Has anyone had good results using 9mm dies for reloading .380 ACP? I plan on using my .223 shell plate and adjusting the 9mm expander and seating die.
Tom
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When I acquired my 9mm die set, I was offered one additional seating die to load a specific .380 bullet. I declined it, as I had loaded so few .380, and shoot so few .380 I was not interested. I understood that the 9mm sizing die and seating die were also used for .380.
Noting the similarities in internal dimensions, I would think this could be accomplished.
Some others, maybe RBWillNJ will have some more insight.
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I took a look at my .380 and 9mm die sets comparred to one another and here is my opinion. (Just an opinion, since I have not tried to load .380 with a 9mm die set.
I think that there would be no problem using a 9mm seating die and 9mm taper crimp die to load .380 unless you just can't adjust the die down far enough to do its intended job.
I think you may have a problem with the expander. The working part of the 9mm expander is much longer than the working part of a .380 expander. I think you might end up expanding the full length of the .380 case before you could get a flare. You might even bottom out the expander in the .380 case.
Although I haven't tried it, I don't think a 9mm sizing die will work for .380. 9mm is a tapered case, and although the dimensions of the bullet are the same, the dimensions of the case, (just above the rim ) are very different (.391 Vs .374). The 9mm sizing die has a long tapered carbide sizing ring, the .380 sizer die does not.
tabranch I'd still like to see those pictures of the Super Star parts. You know what they say, a picture is worth a thousand words. I'm having a hard time visualising it from your description.
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I tried the 9mm dies for the .380. If the brass were to be fired in the same gun, the sizer will work. If I want a "to spec" cartridge I will need a .380 sizer. I will attempt to turn down my Lee carbide sizer and thread it for the 11/16x24 holes in the head. The 9mm expander seems ok, not too long. I plan to use a Lee carbide taper crimp die which also must be turn down and rethreaded. I believe the seater will work, but need to actually try it. Tom (ps wish me luck with my rethreading!) No need to modify the die as Lee had a .380 ACP 11/16x24 die that works perfectly! So to summarize, I reload .380ACP with a .380ACP carbide sizer, a 9mm expander and bullet seater with a .223 shell plate. I have made a top plate for the Hulme 9mm shell feeder to .380ACP using suggestions from the forum. I rethreaded a Lee carbide crimper/sizer die and am about to try it out. Tom
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Yesterday while boxing 9's I just loaded I found a .380 which went thru and came out lookin OK!
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Please destroy that .380 round before it gets accidentally fired in a .380 pistol! Tom
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TA,
Thanks...I didn't note that I pulled the round apart after finding it when sorting/boxing. Today I was at the range today when a shooter came in w/ a pristine Browning 1910. I was an observer while it was attempted to ascertain caliber. I didn't see it up close but understand it was marked PK & 9mm. Nothing to indicate short or Kurz but all seemed inclined towards .380.
The gun was found by the owner's brother after an accidental death and was a surprise to all involved. All agreed there was considerable value attached but the owner is determined to shoot it once cal is determined. I suppose this is typical of incidents involving old guns. It was comforting to see our range officers were very cautious in advice & handling. The lack of caliber in detail in the paper work ot=r stamped on the gun was a surprise to me.
I recently purchased a Giles 38 special conversion w/o any changes in the original Colt 38 Super marking. The gun store aquired the gun sans clip so put a new 38 Super Colt in it. I recognized it from the Giles sights, bought it, ground the mag to accept & feed 38 specials as Giles did and it is indeed a "super" gun! Not being identified was to my advantage in this instance!
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www.makarov.com/makfaq.htlm
The above site has some interesting info on reloading the various 9mm rounds including the .380.
in particular I would take a look at the "Case dimensions of various 9mm cartridges" as there are
at least six , some straight wall, some tapered and none of them are the same dimensions.
be carefull
lindy
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Wrong link ,, try this one
www.makarov.com/graphics/9mmcases.jpg