357 Sig reloading questions

Anything special need to be done with the 357 Sig brass or bullet seating? Plan on using Lee dies. Any tips would be greatly appreciated.

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use the factory crimp die.

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Originally Posted by omcforever

use the factory crimp die.

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Thanks I plan on it.[emoji106]

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and use real 357 sig brass..not formed 40 sw. they are too short for a good crimp

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Originally Posted by omcforever

and use real 357 sig brass..not formed 40 sw. they are too short for a good crimp

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Gotcha. I will. What powder are you using?

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universal

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have used hp 38 and w231

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Size the brass first with a 40 sw. then size with 357 sig die for shoulder only. Then normal process with a factory crimp die


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Originally Posted by Schnags21

Size the brass first with a 40 sw. then size with 357 sig die for shoulder only. Then normal process with a factory crimp die

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^This is what I have done for years. Now that I use all Dillon dies on my 550, I don't need to do that any longer... For Lee dies, I suggest doing it.

For powder, I like Ramshot Silhouette, Power Pistol or Win231/HP38.

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Originally Posted by MarkDisciplinare

^This is what I have done for years. Now that I use all Dillon dies on my 550, I don't need to do that any longer... For Lee dies, I suggest doing it.

For powder, I like Ramshot Silhouette, Power Pistol or Win231/HP38.

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Never loaded 367 sig on my Dillon. But I did that with my Hornady dies and it worked great. With the carbide dies no lube needed and no stuck cases ever


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Glad I caught this thread. I just got all my .357 SIG stuff in today to start loading for it. With LEE dies, if you don't size with a .40 s&w die first, what difference does it make?

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Originally Posted by SouthernCoyote

Glad I caught this thread. I just got all my .357 SIG stuff in today to start loading for it. With LEE dies, if you don't size with a .40 s&w die first, what difference does it make?

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I was told your more likely to get stuck cases since it is like a rifle bullet. Pick up a Lee 40 sizing die and call it good.


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Quote:

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Originally Posted by Schnags21

I was told your more likely to get stuck cases since it is like a rifle bullet. Pick up a Lee 40 sizing die and call it good.


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Gotcha. I load 40 too but was just curious. I lube all my rifle brass with dry neck sizing lube so I would assume it would work just fine on the bottle necked pistol stuff as well.

I got rid of 357 sig and 40 to cut down on calibers to reload. I have about 200 357 sig brass I’ll mail to someone who covers shipping


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Do you still have the brass? I will pay for a flat rate box.