.357: 125-gr and maximum H-110, bad for the gun?


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IMtheNRA
May 3, 2014, 08:44 PM
I have some of these left over from experimenting with different loads. I'm wondering if shooting about a thousand of these, loaded with max or close to max charges of H-110 would result in flame cutting the top strap of my S&W revolvers or faster than usual forcing cone erosion.

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Longhorn 76
May 3, 2014, 08:54 PM
The top strap will reach a point and stop. The forcing cone will not stop. Took me about 2000 to eat the forcing cone on the Python. 125 Sierra and a lot of WW296.

IMtheNRA
May 3, 2014, 09:00 PM
Oh geez. 2,000 rounds is only about a year of shooting for my .357 revos...

CPLofMARINES
May 3, 2014, 10:08 PM
I feel better keeping that load at 1350 Fps or lower, that's
Just me though.

Kurastduuks
May 3, 2014, 10:51 PM
Loading like that is hard on all guns but harder on some. Keep them out of your smith I would say with the possible exception of the model 27

gamestalker
May 4, 2014, 03:29 AM
I have no doubt that running full tilt loads with a light bullet like 110's or 125's through a medium framed revolver, is considerably harder on the firearm. But in all honesty, I've been almost exclusively running H110 / 296 with everything jacketed from 110's - 158's for decades, and I haven't really noticed anything unusual. I'll add that I have two K frames that have had a good 3K each of this load make up, I estimate that at least 20% have been either 110's or 125's.

GS

ArchAngelCD
May 4, 2014, 08:51 PM
My question is, which S&W revolver are you shooting?

IMtheNRA
May 4, 2014, 09:50 PM
All of my 357s are N-frames. But, what does frame size have to do with forcing cone erosion?

CPLofMARINES
May 4, 2014, 10:05 PM
Typically , the larger frames can withstand the hotter
Loads. But, remember it's not how powerful the round is,
It's all about the size/weight of the projectile, when you
Are talking about flame cutting and forcing cone erosion.

bluetopper
May 5, 2014, 12:01 PM
Old K frame Smith's forcing cone is thin at the bottom and has a tendancy to crack. Your results may vary. The choice is yours. It's your gun.

ArchAngelCD
May 5, 2014, 08:19 PM
All of my 357s are N-frames. But, what does frame size have to do with forcing cone erosion?
When the K frame was developed there were no 125gr jacketed bullets screaming along at over 1800 fps so the K frame's forcing cone was a little light for that development. Some of the K frame magnums suffered cracked forcing cones because of the beating they were taking. The L frame was developed to fix that problem. The N frame never had a forcing cone problem because it was beefier than the one on the K frame. Erosion will happen to any forcing cone, it was the cracking that was the major problem.

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