New information does develop though, and it's quite possible the class material was outdated I guess. I've had a few classes on external ballistics, and I've always been taught bullets begin to wobble then tumble as they transition to slower than the speed of sound, and once a bullet begins to tumble, it no longer follows a predictable trajectory. The guy on the Ruger forum may know what he's talking about, who knows. I know a sniper and very knowledgeable shooter, and he said: But then I read this, which claims that what I've heard is a myth, and the true cause is a loss of bullet spin due to air resistance. So I've always heard that when a supersonic round goes subsonic, the bullet begins to tumble, and accuracy suffers. Keep your finger off the trigger until your sights are on the target.īe sure of your target and what is beyond it.Ĭompetition open to all. Never let the muzzle cover anything you are not willing to destroy. Gunnit Match rules, awards, and historical data. It contains:Ī list of commonly asked questions that may have been already asked and answered. No URL shorteners (bit.ly, tinyurl, etc).
#Subsonic bullet speed mod
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#Subsonic bullet speed pdf
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