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The Range
Ammo & Reloading
Why does muzzle velocity increase with barrel heat
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<blockquote data-quote="7stw" data-source="post: 2190121" data-attributes="member: 18402"><p>Never shot full auto enough but shooting prarie dogs with a bolt gun and using ball powder and rounds sitting in the sun and a hot barrel yes I have experienced a cook off and it will scare the $h!t out of a person and those around you. I've since learned that lesson and now keep ammo in the shade and fire shorter shot strings from each rifle while decimating prarie poodles. I have learned that the chambers most often contract but will expand when shooting. I most often experience contraction as noticed by tougher extraction after shooting in a warm to hot barrel. And increased signs of case head separation in hotter higher velocity rounds.</p></blockquote><p></p>
[QUOTE="7stw, post: 2190121, member: 18402"] Never shot full auto enough but shooting prarie dogs with a bolt gun and using ball powder and rounds sitting in the sun and a hot barrel yes I have experienced a cook off and it will scare the $h!t out of a person and those around you. I've since learned that lesson and now keep ammo in the shade and fire shorter shot strings from each rifle while decimating prarie poodles. I have learned that the chambers most often contract but will expand when shooting. I most often experience contraction as noticed by tougher extraction after shooting in a warm to hot barrel. And increased signs of case head separation in hotter higher velocity rounds. [/QUOTE]
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Why does muzzle velocity increase with barrel heat
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