Hey guys, I went to the range yesterday to zero my rifle. The first group (aiming at the center of red cross on the lower part of the picture) seemed OK, but for the second (aiming at the center of the black cross in the upper part of the picture) shots were all over the place.
I've shot from bench and sand socks, in perfect weather conditions. Second group was shot immediately after the first one (with 4-5 mins between each shot to let barrel cool).
What do you think? How could the spread have increased so much for the second group (top black cross)? What could have changed the relatively tight grouping on the bottom to a totally crappy group on the top? I'm totally confused by this...
Here's a link to the picture -- in case my embedded image doesn't display properly.
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