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Old 21st April 2016, 10:59 AM
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what barn door what barn door is offline
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Join Date: Nov 2014
Member of: Kingsley
Location: crewe, cheshire
Posts: 287

In very simple terms, I can not see how any barrel can make the projectile invisible to the external air mass, but especially so at the low velocity and energy levels we are using, anyone care to enlighten me ?
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