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did some more testing.

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Galen
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did some more testing.

Post by Galen » Sun Jun 13, 2021 4:29 pm

Hi all. got done loading up 6 of my 38spl. with the new bullets that are 125 gr. Plated Flat Point with 5.4 gr. of Unique powder and just got back from shooting them. The fastest was at 1124fps. and the slowest was 1048. I was getting a lot of black on the out side of the shell so don't know it is was a good crimp or what
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Cofisher
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Re: did some more testing.

Post by Cofisher » Sun Jun 13, 2021 6:52 pm

Not sure I would consider that an issue. How did the round perform?
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BigAl52
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Re: did some more testing.

Post by BigAl52 » Sun Jun 13, 2021 7:49 pm

Low pressure loads will cause the black along the side of the case. This is not a problem and very common especially when shooting 45 Colt rounds.
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Re: did some more testing.

Post by Headhog » Sun Jun 13, 2021 8:13 pm

My big concern is the load you are using. Alliant doesn't publish a load like this for that bullet, powder combination. Also your chrono data indicates this load is near or at the top velocity for a 38 spl. 125 gr. load. You're using a 125 gr plated bullet you need to be looking at loads for cast lead bullets. If you try to use recipes for jacket bullets you need to cut those down by 10% and start at the lower end and work you way up gradually.

I would also like to know how the round performed and if the primer showed any sign of excessive pressure.

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Rifletom
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Re: did some more testing.

Post by Rifletom » Sun Jun 13, 2021 8:35 pm

Yep, what Al said. Not a problem. Looking at my Lyman book, you're good.
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Galen
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Re: did some more testing.

Post by Galen » Sun Jun 13, 2021 9:47 pm

Load ran good and did not see anything wrong with the primers. I got the recipe from a few people on here and most said to go with 6 gr but I cut it back to 5.4gr
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BigAl52
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Re: did some more testing.

Post by BigAl52 » Sun Jun 13, 2021 11:17 pm

Ive not got a book in front of me but 6 grains would be a load in 357 brass not 38 special
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Re: did some more testing.

Post by fortyshooter » Mon Jun 14, 2021 12:54 pm

Depends what you are shooting those rounds in. If a 357 Mag revolver or rifle you are fine. I have used 5.8-6.0 gr. of Unique with a plated 125 gr. bullet for a +P .38 Special load. I was seeing 950-1000 FPS out of my 4 inch S&W M-66 revolver.

The .38 Special +P "FBI load is a great one too with a Rim Rock 158 gr. SWC HP bullet loaded with 6.0 gr. of Power Pistol.
I will be doing some Ballistic Gel tests with that load and others soon.
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