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380 acp reloading data.
 Moderated by: Slingshot, OldStuffer, klallen
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 Posted: Fri May 4th, 2012 03:01 AM
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westCoastmountainman
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So I did a quick reference on thesimilarities and differences in their charge weights to their bulletsweights

380 Acp VS 9x18

Powder Chosen: Alliant'sUnique.

Bullet weight: Charge weight: Bullet weight: Charge weight:
90 2.5gr-4.8 90 3.3gr-4.3
95 2.3gr-4.2 95 3.2gr-5.1
100 2.6gr-4.4 100 3.0gr-4.9


I do not know any of the speeds to these charges. I chose Unique for a couple of reasons, Mainly these two calibers share this powder, it is what is readily available in the area where I happen to live, and Unique seems to get some of the bestperformance from what I have read and been told by my family who hasused this powder for their shotguns, and pistols. My grandfather usedto swear by this for his 357's.


I,for the life of me, do notunderstand why there is such a charge fluctuation for the 380. The2.3gr-4.2 grain charges are lower than the 100gr charges. This doesnot make a lot of sense to me. There is two more bullets weights the380 has over the 9x18mm, the 115gr and 125gr accoring to http://stevespages.com/355p_3.html. I will have to invest in a Chronograph, and each bullet weights selected with each charge listed to find out exactly what they will do. I was thinking of 10 rounds of each bullet weight and charge weight listes and write down the information as I go. Unless some one else already has, Please feel free to post said results. Remeber, my test barrel will be 3.83'' in length so results from a 2.5-3.5'' barrel will be different than mine

Last edited on Fri May 4th, 2012 03:02 AM by westCoastmountainman



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 Posted: Fri May 4th, 2012 05:07 AM
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fryboy
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seating depth can play a large part of it ( ie; different profiles have more/less in the case than others of even the same weight ) but that's just one instance of many possibilities , for years blue dot was the bee's knees for stout ( albeit not top velocity ) loads in the 357 mag , many weights ( both lite and heavy ) yet for some reason the 125 grainers started becoming problematic and hence today alliant no longer list loads for that weight with blue dot nor do they recommend such , oddly enough ... heavier and lighter bullets are fine ( within loading parameters that is [shrugz] )



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 Posted: Fri May 4th, 2012 05:16 AM
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westCoastmountainman
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well in theory, the 95 gr jhp should be shorter then the 100gr jhp.

the powder charges listed are lower for the 95's and the 100gr .



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 Posted: Fri May 4th, 2012 05:18 AM
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Silvertip
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I've done a fair amount of load testing in several .380's. Save your time and money and skip the bullets heavier than 105 gr, you can load them but the performance isn't there IMO. Also be careful of max loads if your gun is not a locked breech design (ie its a blowback)

The 90gr Gold Dot or XTP is a mainstay round to develop.



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 Posted: Fri May 4th, 2012 05:24 AM
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westCoastmountainman
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These charge weights come from stevespage.com, which had been recommended to me in an older posts.

On another forum a person suggested that I use the 9x18mm charges if I wanted warmer the normal loads. Hence this research quest.



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 Posted: Fri May 4th, 2012 11:53 AM
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Charley
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westCoastmountainman wrote:
These charge weights come from stevespage.com, which had been recommended to me in an older posts.

On another forum a person suggested that I use the 9x18mm charges if I wanted warmer the normal loads. Hence this research quest.


I'd be really careful about "warmer then normal" loads, recommended online.



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 Posted: Fri May 4th, 2012 01:25 PM
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Definitely, and in spades. The old rule applies here I think— .380 not hot enough? Get a 9mm.

Not trying to be funny. Just safe.



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 Posted: Fri May 4th, 2012 03:35 PM
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westCoastmountainman
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well The powder charges for both the 380 acp and the 9x18mm are similar. I plan on using the 90gr jhp/fmjs because they seem to give the best performance and are the most popular. the charges below are well with in the 380 spec for both calibers.

Just a reminder that my 380 is a true Russian Mak. I can put mid range loads in it with out much issues. Maybe a little more than a mid line load.

380acp 9x18mm Makarov.
90 2.5gr-4.8 90 3.3gr-4.3
Mid line= 3.6gr* mid line= 3.8gr*
(*-denotes approximate)

So in theory i could get away using the 3.6-3.8gr of unique safely in my 380 with out much trouble.

On Alliant powders reloading page for the 380, they list a 4.6gr charge@ 1,034fps out of a 3.8'' barrel.

Last edited on Fri May 4th, 2012 03:52 PM by westCoastmountainman



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 Posted: Mon May 14th, 2012 03:17 AM
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Silvertip
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Well, to repeat a story I might have told.... I was loading for a Colt Mustang (locked breech fortunately)and I grabbed the box of 95FMJ from under the bench and a can of AA-5. I decided to push the max load a little.

Upon firing I noticed exceptionally heavy recoil and loud report... I fired a couple mags full and took a the rest home to pull apart. My charge was right where I had set it but it turned out that I had picked up the 124gr FMJ 9mm bullets instead of the 95gr. I was probably 2 or 3 gr over max - no one lists a 380 load for 124gr bullets. (see my avatar!)
I was lucky the gun held together as I was off the map (pun intended) with my load.
I tried a few 115 XTP also (with an appropriate charge) but wasn't impressed with the results. Sold the Mustang and bought a mini 9.

Last edited on Mon May 14th, 2012 03:23 AM by Silvertip



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 Posted: Tue May 15th, 2012 12:43 AM
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OldStuffer
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Charley wrote:
westCoastmountainman wrote:
These charge weights come from stevespage.com, which had been recommended to me in an older posts.

On another forum a person suggested that I use the 9x18mm charges if I wanted warmer the normal loads. Hence this research quest.


I'd be really careful about "warmer then normal" loads, recommended online.


Absolutely

Plainsman wrote:
Definitely, and in spades. The old rule applies here I think— .380 not hot enough? Get a 9mm.

Not trying to be funny. Just safe.


And Absolutely, AGAIN.



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 Posted: Sat Jul 14th, 2012 12:40 AM
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7mmdrops-em
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I have tried many a load in my PPK and to date the best has been with a 95g bullet and 2.9g of W-231. Very reliable feeding, group at 5,7, 10 and 15 yards.

Rod



 Posted: Wed Aug 8th, 2012 10:24 PM
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Nate Westman
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I just went out today to test a few loads for my LCP. I've been honing-in on a good load, and have had several not-so-great loads.

I had bad luck with the 115 XTP bullet, in general.

Tried the following loads, all with a round 95g FMJ:

2.1, 2.5, 2.7, 2.9, 3.0, 3.3 Win231
2.3, 2.5, 3.0, 3.3 Unique
2.1, 2.5, 2.7. 3.0 Bullseye

I'm with you 7mm - I like the 2.9 Win231 the best, with 2.7 of Bullseye and 3.0 of Unique as a close second.

Lighter loads weren't enough to feed/cycle correctly, and the heavier loads just seemed a bit much for such a tiny little gun. The good Bullseye loads just felt a bit too snappy, but I think I'll make batches of 2.5 of Bullseye and 2.9 of Win231 equally, for just a bit of variation.

After all of these, on a few occasions, 2.9g Win231 takes the taco.



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