.357 SIG powder and bullets recommendations

[Guns4545]

Attachment 986

Left to right: 124gn XTP, 124gn Xtreme FP, 125gn Speer Gold Dot.

Awesome bud.[emoji41][emoji106]

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[Guns4545]

Awesome bud.[emoji41][emoji106]

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Just orders everything up. Wes had a few 357 Sig cases so I can start reloading. Ordered the mighty armory decapping die PUA for lapua flash holes as well. Thanks again for the help.

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[SouthernCoyote]

Anytime. Post some updates when you start loading and shooting.

[Guns4545]

Anytime. Post some updates when you start loading and shooting.

I will.[emoji106]

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[Guns4545]

Anytime. Post some updates when you start loading and shooting.

How often do you have to trim the brass and is it critical that they are all the same length? On straight wall pistol I never trim. Usually I only trim 223. I have a Lyman case trimmer. Lathe style with a 9mm pilot if needed. Just wanted to get your opinion on it.

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[SouthernCoyote]

I'm almost through my first 1k, so I will know after shoot the rest and size them if they need to be trimmed again. These were all once fired from Sage, and after cleaning them and resizing them the first time, the only ones that needed trimming were the "R-P" head stamps. All the rest were from 0.860"-0.863". The "R-P" were over max length which is 0.865". The most uniform ones were the SIG head stamp, then the Speer. The "R-P" and Speer head stamp were all tiny flash hole like the Lapua rifle brass.

[Guns4545]

I'm almost through my first 1k, so I will know after shoot the rest and size them if they need to be trimmed again. These were all once fired from Sage, and after cleaning them and resizing them the first time, the only ones that needed trimming were the "R-P" head stamps. All the rest were from 0.860"-0.863". The "R-P" were over max length which is 0.865". The most uniform ones were the SIG head stamp, then the Speer. The "R-P" and Speer head stamp were all tiny flash hole like the Lapua rifle brass.

Good to know. I would have thought Speer had standard flash holes. Guess I'll need to wait until the mighty armory decapping die comes in. Should be end of the week. After cleaning and resizing I'll check them all to be sure they are within spec. If not I'll trim them.

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[Guns4545]

I'm almost through my first 1k, so I will know after shoot the rest and size them if they need to be trimmed again. These were all once fired from Sage, and after cleaning them and resizing them the first time, the only ones that needed trimming were the "R-P" head stamps. All the rest were from 0.860"-0.863". The "R-P" were over max length which is 0.865". The most uniform ones were the SIG head stamp, then the Speer. The "R-P" and Speer head stamp were all tiny flash hole like the Lapua rifle brass.

Do you think power pistol would be a good choice for xtreme 124gr fp? What coal are you running?

Also for 125gr Speer gold dots would Longshot be the best choice?

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[SouthernCoyote]

Both powders are great for both projectiles. Longshot is a tad faster velocity, but either one should be good. I use them both as well as AA#9.

[Guns4545]

Both powders are great for both projectiles. Longshot is a tad faster velocity, but either one should be good. I use them both as well as AA#9.

Good to know. What coal are you running?

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