lie detector
My chrono, a very affordable ProChrono, makes a liar out of me on a regular basis.
Some mid range .44 mag handgun loads that I felt sure were making 1000 fps, were running only about 870fps. A heavy .45 acp load that I felt sure was making near 850fps was making a LOT less. A 130/.270 load that was supposed to be doing 3000 fps was notably under 2900.
Accuracy is an element we all strive for, but so is velocity, or a velocity range. My chrono tells me where I'm at on the power curve.
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