Comments by "calvingreene90" (@calvingreene90) on "P. Percy's Prototype Patent Model Rifle" video.

  1. Where?
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  2. That cavity is no less refined than it needed to be.
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  3. If the rim is too soft the gun blows up in your face or a carelessly dropped cartridge explodes upon hitting the floor but if the rim is too hard it does not reliably fire.
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