________ are made when expanding gases force the cartridge case against the chamber wall and marks left by the same gases when they force the cartridge case back against the breach face of the weapon.

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The Answer of ________ are made when expanding gases force the cartridge case against the chamber wall and marks left by the same gases when they force the cartridge case back against the breach face of the weapon.

________ Are Made When Expanding Gases Force the Cartridge Case