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Reloading a 125 grain bullet in a .380 Auto pistol cartridge

10013 Views 3 Replies 4 Participants Last post by  jack62
I have found published loads for a .356 diameter 124 grain bullet for a .380 Auto cartridge, but can't find anything for a 125 grain, same diameter. What kind of difference in pressure would 1 additional grain of lead cause in a loaded round?

The load I found for 124 grain is 2.2 to 2.4 grains of Hodgdons HP38 and a CCI primer.

I would like to use the 125 grainers as they are more commonly available.


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re: Reloading a 125 grain bullet in a .380 Auto pistol cartr

I question a bullet that heavy for the .380---usually 100 grains is tops.If you feel the data is safe one grain of bullet weight won't make any difference---What is your source???
re: Reloading a 125 grain bullet in a .380 Auto pistol cartr


Steves Pages shows 123-125gr, HP-38 1.4-2.4gr............
re: Reloading a 125 grain bullet in a .380 Auto pistol cartr

I have used Steves data in the past. He gives a lot of powder choices, which i like. As far as his maxium loadings i tend to not want to go that high. He often exceeds what the factory reloading books recomends in the charge weights. I often wonder if he has blown up any guns, with some of these loads.
I would think not but i would suggest going up slowly with the charge weights. As one should with all reloading data.
I find sometimes less is more, when looking for that perfect sweet spot in a reloaded rd.
I like to make 10 rds at a time, moving up in small increments in the powder weight. Like just for an example a recipe calls for 5.0gns of a certain powder and never exceed 7.0 gns of same given powder. I believe some where in the middle is where your particular gun is going to show the best accuracy. and finding that "sweet spot" is where the fun is.
I heard people tell me you have to load on the hot side(maxium charge,or near) if you want a more accurate rd. I am not so sure as to this being the Gospel truth.
I do agree that you want a hotter type of load for expansion of hollow points, or for hunting purposes and things of that nature. But as target shooting goes,i think a rd that isnt so hot works better.
I find the factory rds on the strong side myself. And i dont always shoot more accuratly with them. Thats one of the reasons why i like to reload. However i do not carry my reloads for personal defense purposes. Then again i am not out to shoot 2" groups God forbid in the avent i am trying to save my hide.
Conclusion- theres a different load for different circumstances. Jack :wink:
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