I use AA#9 exclusively for .357 mag. I have a S&W model 66 which has a 4.25in barrel. I've loaded some hot defensive rounds for it as well as target stuff. If you're looking for a great powder try AA#9. Obviously with a shorter barrel you'll lose some velocity but not a tremendous amount. (I just watched a show about the snubnose vs 4-4.25 in barrels, velocities were negligible)
Quote Originally Posted by JohnB92 View Post
I dont really know what to expect, this is completely uncharted territory for me.

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