I'm thinking if you try to make a 120 power factor with a 2" you will become very frustrated. I can make some better than 1200 with the 100 gr. XTP in 32 Mag, but that is with a 6" 16-4. Estimating 50 fps loss per inch, would be just barely 1000 fps. Hopefully I will be able to chronograph some from a 2" shortly as I have ordered a 431PD and waiting on the shipping info. I don't think I will attempt to make power factor with it.
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H Richard
SWCA1967 SWHF244
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