Everyday we learn something new. Reloading is a constant learning experience from the bench to the weather conditions. The way light impacts target can cause poi shift the same as being off on cheek to stock relationship. Might want to anneal them cases. Brass likes to harden each firing and this changes neck tension. Doing fine job. 👍 👍 👍
I found out with my 243 with 100 grain interlocks I could not push them to the max charge and have a good group, I believe I was 1.3 grains from Max and I got a .75 5 shot groups, makes a great deer rifle for my nephew
