trlcavscout Posted September 6, 2010 Share Posted September 6, 2010 I want to find some 357 SIG loads that are accurate and low powered enough for competition use. How light can you load them. I have some Berry's 124gr FP bullets, Federal primers and Unique powder I would like to use since I use them for 9mm. But will change powder if needed to get some light loads. Thanks for any help! Link to comment Share on other sites More sharing options...
Joe4d Posted September 6, 2010 Share Posted September 6, 2010 you need a different powder, faster is better, Tight group comes to mind, could probably find loads for WST or Clays. How low you can go is gonna depend on what works in your gun and what kinda sport you are playing, most have minimum some have maximum power factor requirements. Link to comment Share on other sites More sharing options...
trlcavscout Posted September 6, 2010 Author Share Posted September 6, 2010 Its for a Glock 31 all factory, used for GSSF. So no power ratings. Thanks. Link to comment Share on other sites More sharing options...
RangerTrace Posted September 7, 2010 Share Posted September 7, 2010 Thread drift. I've noticed that some of the .357 Sig cases (factory ammo, I'm sure) that I've ended up with had flattened primers. Kinda funny what high power, factory ammo can do. Link to comment Share on other sites More sharing options...
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