plastic 3 inch barrel bench test firearm ammunition max speed standard ballistic legal implication

First published at 09:09 UTC on August 15th, 2019.
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destructive device limit update 50 caliber = 37 gauge = 12.7 mm & depends on "standards" & tradition
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Caliber can refer to bore measurement between the lands or between the grooves of the rifling BUT more often refer the diame…

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CategoryEducation
SensitivityNormal - Content that is suitable for ages 16 and over
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