Thank you for your results!
I don't care all that much about MV. But I am very interested in finding the "sweet spot" where the vibration of the muzzle has stopped. I think in your experiment it is somewhere between target 2 and target 4. You have a couple of holes touching.
I'll leave it to those much more qualified than me to expand on this information. Aiming for the "one hole target" vary the amount of powder, weight of bullet or adjust those "gas knobs" I just read about. I only own one semi auto and it is an sks so know nothing about knobs for gas settings.
Again thanks for doing the experiment, I always enjoy reading posts where members have tried to shine a light on the conversation.
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"The well meaning have done more damage than all the criminals in the world" Great grand father "Never impute planning where incompetence will predict the phenomenon equally well" Father
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