I really suspect that I am testing with a faulty chrono. Here is some data from the testing with several blasters. The data seems lower than the other stats that I am
Nerf by Numbers: How We Chronograph & Test Blaster Performance – Out of Darts
Should I get the chrono-barrel, or a chronograph? : r/Nerf
Nerf by Numbers: How We Chronograph & Test Blaster Performance – Out of Darts