Originally Posted by MontanaMarine
I load RL17 under moly'd 208 AMax in a 308 Win.

I've noted my velocities run around 2620 fps at 70F, and drop to around 2580 fps at 30F.

Rule of thumb, about 1 fps per degree of temp change.


Shane,

What length barrel are you running and are you seatng at 2.80" or longer?

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