I posted this same question on another site and am curious your experience.
I have a question and curious your experience. I went out the other day and shot two rifles with new bullets and loads. Started out with my MagnetoSpeed and then shot out to 600 yards to verify data. After data verification both rifles showed the speed of the bullet about 100 fps faster than my chronograph showed after verified at longer ranges. My question is whether my Magneto speed is accurate or off by 100 FPS
I've alway had minor adjustments in data when verified out to longer distances but 100 fps seems much? Thanks