Hogdon website shows max a 6.9.
My experience was similar to what you're targets show though.
357 load development and casual observations
- Thread starter AJC1
- Start date
My experience was similar to what you're targets show though.
Which powder is that? I found a max of 7.6 grains of CFEP under a 125 grain Meister Cast Bullet for 1500 gps from a 10” barrel.
OP
OP
AJC1
Member
Mine were cast 156(I use 158 cast data) that was the 6.6 load. I've never seen the 6.9 unless that's a 158 jacketed. All were cfep
My bad. I was looking at 158 data. I had read down to Bratigan post and saw his 158gr and forgot you had said 125s.
I find it comforting seeing everyone who tests CFE-P get the same results I did. It stops me from going back to retry it.
I definitely plan to try it. Loading test arrays takes a while though and I haven’t been in the reloading room nearly as much over the last month.
That might be a downside to 2400 powder and 357 Magnum in general. That combination offers a huge range of charges at any given bullet weight. Finding the most accurate load over that range eats a lot of components for me.
That might be a downside to 2400 powder and 357 Magnum in general. That combination offers a huge range of charges at any given bullet weight. Finding the most accurate load over that range eats a lot of components for me.
At least you know 2400 will work well somewhere. It's a well documented powder for 357.
And a search here will tell you what weight range to try. Should be able to find it quickly.
OP
OP
AJC1
Member
Tested some proposed hunting loads for deer and the boys carbine. Sorry no targets this time but at 100ish yards I managed about 3-4 moa off hand with iron sights so I consider that "good enough". I was finally able to capture some velocity data for comparison so that was helpful. The picture from the Lyman manual is for comparison and their testing was a 20" and I only have a 16". 158 zero jsp was the bullet oal 1.580 cci 550
#9-14.7g 1.1715 2.1699 3.1721
-14.9g. 1.1747 2.1793 3.1734
Lyman lists 14.9 as the most accurate load of all powders they tested and it's gooder.
#9-14.7g 1.1715 2.1699 3.1721
-14.9g. 1.1747 2.1793 3.1734
Lyman lists 14.9 as the most accurate load of all powders they tested and it's gooder.
OP
OP
AJC1
Member
Found this interesting as I'm down to less than half a pound of #9 and this powder is up next.
All that video told me was either he hasn't found the right load. Or his bullet/powder/barrel length choice is not compatible.
Hooda Thunkit
Member
Almost 9 minutes, for no good conclusion. This is a wonderful illustration of why I don't watch the vast majority of utube trash.
I didn't watch this one either. The guy talks for 8+ minutes to tell us he failed to do what he set out to do.
Ya can't say that in 2 minutes?
Whittle it down to under 3 minutes, I'll watch. Most of the videos are 10 minutes of garbage to make a 2 minute point.
That's why I prefer articles with pictures. I can read about 10 times faster than I can watch someone talk on YouTube.
GeoDudeFlorida
Member
- Joined
- Dec 1, 2020
- Messages
- 11,252
Tells me if you want SW-HP to perform well in a .357 revolver, use a standard small rifle primer and a longer than 4” barrel. There’s a difference between what will work and what works best. He was on the right track; he just got off the train before it reached the station.
barnfrog
Member
He was a pleasant enough conductor though, and took great pains to make sure he didn't mix up any of the passengers (marked primers AND different color bullets).
Hooda Thunkit
Member
I'm certain he has yet another 9 minute video (or a series of videos) to address the next chapter of the seemingly never-ending saga.
If watching these videos is something you enjoy, by all means continue. Just not my cup of tea.
I'm not going to presume to tell you what to do. However, I reserve the right to mock; albeit in a friendly, polite manner.
GeoDudeFlorida
Member
- Joined
- Dec 1, 2020
- Messages
- 11,252
Not my rodeo, not my clowns. I got roped in just like you. Only difference is I walked out with clean boots.
OP
OP
AJC1
Member
Wow no more video I guess.Not my rodeo, not my clowns. I got roped in just like you. Only difference is I walked out with clean boots.
GeoDudeFlorida
Member
- Joined
- Dec 1, 2020
- Messages
- 11,252
You post what you want and never mind about what other folks think. I took something positive away from it. Maybe someone else did too.
I loaded a CFE Pistol test batch to try this weekend. I also added two more steps to my HS-6 tests. I was a little overly cautious but I should be fine I think. I’m 5% below max. These were all with the 125 grain cast Gallant bullet.
I loaded up a set of W231 tests too. These won’t go very fast for a 125 grain bullet but it’s been a good accurate powder out of 357 cases so far. When this is all done I’ll have a full day of testing just in 357 Magnum.
I loaded up a set of W231 tests too. These won’t go very fast for a 125 grain bullet but it’s been a good accurate powder out of 357 cases so far. When this is all done I’ll have a full day of testing just in 357 Magnum.
GeoDudeFlorida
Member
- Joined
- Dec 1, 2020
- Messages
- 11,252
Funny thing. I like HS-6 in 9mm, .40S&W, and .45ACP. I burn quite a bit of it. But I don’t have a single load for HS-6 for a revolver cartridge. I’m not sure if it just never worked out or if there was always just better choices but for me it’s strictly been an auto pistol powder.
I have a couple 9mm loads too for HS-6. One is quite good out of a Canik Mete SFX. HS-6 and 125 grain XTP bullets equals the accuracy of my wadcutter loads at near the top charge from my 357 Mag Blackhawk. It just seems to flatten primers sooner than other powders so I've been cautious of it in upper end 357 Mag loads. They're not totally flat, but close enough it gives me pause.
OP
OP
AJC1
Member
Both 9mm and 357 operate at the same pressure range so how the powder responds should be very simular. The volume in the mag is higher so the earth shattering kaboom is larger.
I do remember that clearly. The most accurate HS-6 load was about 0.1 or 0.2 grains below max according to Lyman. It was a memorable racket when I shot those, then looked to find them grouped so close. They didn't kick as bad as the 158 grain XTP and 2400, but they weren't quite as accurate either.
Similar threads
