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Old April 6, 2022, 03:05 PM   #43
hounddawg
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Join Date: March 1, 2009
Posts: 4,232
Quote:
two rounds over the chrony were pretty much spot on. Next up was my 222 Remington which was the rifle I had really goofy results with before. The first few rounds were looking like they were in the ball park. Then velocities displayed jumped about 100 fps, and became more erratic. So, a deer rifle (243) was next. First two rounds the velocities were similar to several different range sessions a few months ago. Then sure enough, displayed velocities went higher every round for 5 rounds.
Something does no add up here. You do not mention turning the chrono off when you switch rifles and say the first few rounds from each rifle were what you expected. Seems to me though is if it were the electronics warming up causing abnormal readings the second and third rifles would display abnormal readings from the first shot.
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