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JWs spot on for the low POI, shoot a slower load and the POI will be higher, as will a heavier bullet. Fixed sight revolvers sometimes take some regulation and/or may only hit POA with one bullet, one load. Hodgdon seems to play it straight with good minimum chambers and test barrels. They monitor pressures found with their equiptment, and report the loads up to maximum pressure. Sometimes velocities are load compared to some reported factory loads and they may be low compares to "street" loads, but I think they are reporting what they have found. Revolver velocities can vary all over the planet due to the wide range of cylinder, throat, cylinder gap, forcing cone and barrel dimensions.
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