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I went out today and had average results, the chronograph didnt like rain. Shooting the 156berger over 60.4gr of h1000 gave 3060fps with average bolt lift, 60.6 had severe ejector marks on one case,heavy bolt lift and second case even lost its primer on ejection.
I think ill be loading up at 60.3 and playing with seating depths, should end up around 3050fps for the 156 which is plenty!
What length barrel? I'm tossing up between 20-24" and only have 2217 to play with the 156.
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