38-55 slow train
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38-55 slow train
I have been working on load development for a JES bored 38-55. Anyone have a cast bullet sub 1100fps load(s) to share? My efforts thus far have produced lots of okay loads but nothing that seems to be the one. I have gone through various bullet diameters from 375, 376 and 377, shows slight preference to .377. (JES bores are modern 375-376’ish) Powders tested: Titegroup, unique, Trailboss and 4759. Mostly with pistol primers.Traditional speed loads have shown the rifle can shoot well. Slow from the big case is the challenge. Thanks
- TheBugFather
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Re: 38-55 slow train
I assume this uses a Large Pistol primer.
you might try CCI or Federal Premium Large pistol Magnum primers for better SD numbers.
Dennis
you might try CCI or Federal Premium Large pistol Magnum primers for better SD numbers.
Dennis
The Bug Father
...I don't like recoil, but I love to experiment.
...I don't like recoil, but I love to experiment.
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Re: 38-55 slow train
The correct primer is large Rifle. I was experimenting with the pistol primers due to essentially testing pistol powders and typical pistol charge weights. I agree, different primers could very well lead to lower ES/SD and contribute to better accuracy. Magnum pistol is on the menu as well is standard rifle. Thanks Dennis
- DAVIDMAGNUM
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Re: 38-55 slow train
I have the Deluxe Uberti 1894 with a 26" barrel. This is what I use for chickens and pigs. It is subsonic but it whacks the daylight out of those two animals.
Starline short brass, Accurate 38-245D in 20-1 alloy, White label lubes NRA 50/50 , 7.5gr of Trailboss and a CCI#350 primer.
Using the CCI#300 primer the 100 yard groups were 6 to 8 inches.
Using CCI#200 primers were better, maybe 4-5 inch 100 yard groups.
The Large pistol magnum primers turned it into a dream come true.
The bullet in the image is my 290gr wheel weight alloy for the rams. I just grabbed it for a reference.
Nine shots at 100 yards using a front rest, Lyman 17A front sight and an MVA Vernier tang sight.
This rifle shoots 1.5in groups like this every time I put it on paper. If I do my part I can watch the animal fall through the rifle sights. I constantly get teased about the tremendous recoil that I am forced to endure. It works, it is very mild shooting and that 20-1 alloy bullet leaves a mark that any spotter could see.
Starline short brass, Accurate 38-245D in 20-1 alloy, White label lubes NRA 50/50 , 7.5gr of Trailboss and a CCI#350 primer.
Using the CCI#300 primer the 100 yard groups were 6 to 8 inches.
Using CCI#200 primers were better, maybe 4-5 inch 100 yard groups.
The Large pistol magnum primers turned it into a dream come true.
The bullet in the image is my 290gr wheel weight alloy for the rams. I just grabbed it for a reference.
Nine shots at 100 yards using a front rest, Lyman 17A front sight and an MVA Vernier tang sight.
This rifle shoots 1.5in groups like this every time I put it on paper. If I do my part I can watch the animal fall through the rifle sights. I constantly get teased about the tremendous recoil that I am forced to endure. It works, it is very mild shooting and that 20-1 alloy bullet leaves a mark that any spotter could see.
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- TheBugFather
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Re: 38-55 slow train
DavidMagnum, fantastic!
The Bug Father
...I don't like recoil, but I love to experiment.
...I don't like recoil, but I love to experiment.
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Re: 38-55 slow train
Excellent information - thank you
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Re: 38-55 slow train
Have you tried stuffing some dacron over the pistol powder to tighten up the ES? Or try Trail Boss if it ever shows up again.
- Joe
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Re: 38-55 slow train
If I'm not mistaken, I believe that his post on Nov 3rd said that he was using 7.5gr of Trailboss.edgehit wrote: Tue Feb 04, 2025 1:21 pm Have you tried stuffing some dacron over the pistol powder to tighten up the ES? Or try Trail Boss if it ever shows up again.
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Re: 38-55 slow train
I wish I could find some trailboss...dreaming