reloading 38 spl cases to shoot in a 357 magnum

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reloading 38 spl cases to shoot in a 357 magnum

Post by rebs on 8/3/2017, 6:53 pm

When reload 38 spl 148 gr hbwc to shoot in a 357 gun, do you extend the OAL to reduce the bullet jump distance to the forcing cone ?

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Re: reloading 38 spl cases to shoot in a 357 magnum

Post by troystaten on 8/3/2017, 7:07 pm

No, I have never done that.  Have never heard anybody doing it but you could always try.

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Re: reloading 38 spl cases to shoot in a 357 magnum

Post by james r chapman on 8/3/2017, 7:08 pm

Absolutely NOT....

If you can't resist, seat the wadcutter flush in a .357 case. Probably have to use a half grain more powder.
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Re: reloading 38 spl cases to shoot in a 357 magnum

Post by Hawkja on 8/3/2017, 9:31 pm

I have loaded and shot thousands of .38 special rounds using 148 gr cast bullets with an extended COL without any problems. I only shoot these rounds in my S&W 66 and 586 (.357's 4in barrels). From what I've seen it reduces leading in the cylinders. I am interested in learning why this shouldn't be done. I don't use these loads in my BE pistols, just concerned with the safety of it.

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Re: reloading 38 spl cases to shoot in a 357 magnum

Post by james r chapman on 8/4/2017, 5:18 am

Bullet alignment. Excessive case capacity.

It won't hurt but serves no purpose.
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Re: reloading 38 spl cases to shoot in a 357 magnum

Post by rebs on 8/4/2017, 7:04 am

Not loading in 357 cases, loading in 38 cases. The question is when loading in 38 cases to be fired in a 357 gun does it help any to extend the OAL so the bullet is the same distance from the forcing cone as loading in 357 cases

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Re: reloading 38 spl cases to shoot in a 357 magnum

Post by LenV on 8/4/2017, 7:47 am

Rebs, It will not make it more accurate. If you think about it if it made it more accurate you would do it for the 38 special also. The bullet is almost 1/2" from the forcing cone in the 38. Other then that I shoot a 14-6 and a 27-3 with the same bullet I use in my model 52. I can not tell any difference in accuracy. The revolvers will both shoot sub 10 ring groups from a rest at 50 yds. Good enough for me.

Len
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Re: reloading 38 spl cases to shoot in a 357 magnum

Post by rebs on 8/4/2017, 7:50 am

Thank you for the replies I guess maybe I have too much time on my hands.

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Re: reloading 38 spl cases to shoot in a 357 magnum

Post by james r chapman on 8/4/2017, 8:46 am

Spend it dry firing..lol

No bad questions, Elmer Keith wouldn't come up with magnums without trying stuff.
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Re: reloading 38 spl cases to shoot in a 357 magnum

Post by rebs on 8/4/2017, 11:25 am

Thank you Jim

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Re: reloading 38 spl cases to shoot in a 357 magnum

Post by noylj on 8/4/2017, 6:32 pm

First, you have to find out what works in your gun.
How do factory .38 special wadcutter loads work? Any reload you make will be lucky to be as accurate.
We can tell you that we don't do that, but that doesn't mean you might not find it better.
The thing is, the reason, if valid, would necessitate the use of .357 mag cases any way, so get the "right" cases.
HBWCs: seat just below flush with case mouth
DEWCs: you can seat them out to first crimp groove, if testing shows that is more accurate.

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