Which gun are you shooting?
There are S&W loads and there are Ruger loads...
You can not duplicate a factory load because the powders are completely different.
I loaded up 2,000 roounds with 21.0 grains of 2400. My Smith & Wesson would not take it so, I bought a redhawk. The Redhawk fired them without even burping. Stay mid-range!
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