The only load that I could find for reference use a different wad and a 2 3/4" hull .
Win poly hull (same as Ched ) Win 209 - 22gr 7625 -Z16 wad - 7/8 oz bismuth 1264 fps - 7400 psi - Precision reloading
I find the z-16 wad will usually give lower pressure for the same load using the Sg16 wad
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