With 115 grain Berrys RNDS plated bullets and W231 powder, I tested two series from 3.8 grains to 4.8 grains in 0.2 grain steps. The 3.8 grain loads would not cycle the pistol sometimes. COAL was 1.120", brass R-P, one series had CCI500 primers, while the other had Wolf SP.
Please note: The powder range I tested was based on load book data for 115 grain Jacketed Bullets and Berrys recommended low to mid range jacketed loads, not exceeding about 1250 fps. Charges for lead bullets are normally lower than those used for jacketed bullets. Always start with low charges, test the load and inspect for pressure signs before proceeding to next high charge weight.
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