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N310 in 308.
A quickload simulation indicates that for a 16" barrel with uncoaded 175 SMKs at 2.8" OAL with barrel fricton using 8.6 grains of N310 would give:
MV 1060 fps
peak pressure 25038 psi
muzz pressure 2778 psi
case fill 34%
Have you tried it? Shot it over a chonongraph? What SD and ES did you get? Does it burn reasonably clean?
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