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Old 07-14-2018, 07:01 AM
Forrest r Forrest r is offline
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Odd???

Your getting 1400fps with the 158gr xtp/n105 combo out of a 4" bbl'd revolver.
The factory only got 1466fps with the same combo, but they were using a 7" test bbl. 3" longer and no cylinder gap.

xtp's are not known for their high velocity, other bullets with the same weight/load have higher velocities.

With short bbl's revolvers everything matters. HS-6 does better with heavier bullets. I'd be looking @ 158gr to 170gr lead bulletsin the 38spl cases.
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