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Old July 7, 2006, 08:04 PM   #1
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Am I right about 357 sig

If i were to reload this, I just need 9mm bullets for the brass .355? I was looking at that and that would make my sig ALOT cheaper to feed :P
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Old July 7, 2006, 10:16 PM   #2
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Yes, to a point....

Not all 9mm bullets will crimp tightly enough.
These will not work
Round nose bullets seem to get pushed back on me, but truncated cone varieties will stay firm.

IMHO, any straight sided 9mm bullet will work. I have had the best luck with Hornady XTPs.

I resize .40s to make 357SIG. The neck is a bout 10-15 thousands shorter, but it stretches with firings. Also 40 brass will have a few ftf, until fire formed, so I use it for training ammo.

Yes it does make it a lot cheaper.

Every body leaves once fired .40 at the range.

Last edited by rangermonroe; July 7, 2006 at 11:25 PM.
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Old July 8, 2006, 01:08 AM   #3
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Just as an elaboration of what he said, The short length of the Sig requires a bullet with a short nose. If you get a long tapered nose like some 125 grain 9mm bullets have, then when seated to the correct OAL the gently sloping part of the nose is located at the neck of the case. Easy solution, use short stubby bullets.
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Old July 8, 2006, 08:35 AM   #4
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Further elaboration - if you get bullet set-back, which is very easy to have happen with the .357 SIG case, you are likely to see pressures spike upwards.
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Old July 10, 2006, 08:11 PM   #5
Join Date: November 2, 2005
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357 sig

I use Berry's plated 38 bullets.They have a flat nose and are a little larger in diameter.I use a Lee factory crimp tool to put everything as it should be and all has always gone well with this combination.
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