I will be attempting my first batch of .357SIG shortly. What do you guys recommend for dies, I use a Dillon 550b and have experience with 9mm,45,40sw, but only have used Dillon dies so far, the 357sig dies however, are $103 so I may consider others. Any thoughts on this? and do the cases need to be trimmed like rifle ammo? I am in need of info as this is a new caliber experience for me. Thanks!!
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