Missouri bullet co. : 9mm swc data with win 231 ???

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jcerillo70

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Anyone have data for the 9pm 125 gr swc? Or do I use the same as the lead rn load, which for me is 4.3 gr

I'm using win 231 powder and mixed head stamp brass
 
Load to a good, reasonable OAL with that charge, and you are all set... But, you might consider dropping a few tenth's, and go from their as well since you are using a different component from what you used before.
 
Jake Harris ‎3.8 and 4.0 gr of HP-38, in both the cone and swc. Ruger sr9c and no leading. ----(OAL) Pretty sure it was 1.25" for the cone and 1.08" for SWC. Mixed head stamps.

Thats my start load 3.8 anything under 4 my gun wont cycle. Ill probably go 4.2 win 231. The oal seems low, i wish i had my lyman book back from dads, it probably has this bullet in there
 
With a 124/125gr lead bullet I charge 4.0gr W231. You can go as high as 4.4gr W231 with a COAL of somewhere around 1.125" depending on the bullet profile. The 4.0gr load works well for me and is quite accurate but if you're using the ammo in a pistol with a very heavy slide you might need a stiffer charge.
 
This is not a recomendation to do so but I've gone as high as 4.9g HP-38 with MB 125g LRN at OAL 1.06 in my CZ-75B with out issue or pressure signs. Velocity was 1159 but it leaded too much for me.

After lots of testing with my CZ I ended up using 5.6g AA#5, very accurate in my pistol with minimal leading. AVG-1069 ES-18.46 SD-6.24
 
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