high pressure
I recently went to shoot to make sure my rifle was still sighted in. I had found a load, 19gr of H110 and a 125 gr ballistic tip that shot under an inch, and I had loaded several boxes. Now the same load is showing signs of high pressure. I blew a primer on the first shot, and after two more shots knew that it was that way with the other shells, and the three shot group was 2-3 inches. The only difference is that it is now in the nineties in our corner of Louisiana and the load workup was done in the winter. Is the cartridge that sensitive to temperatures? Of note, that 19 gr of H110 was close to a max load in my rifle.
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