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A firearm cartridge with a specially-configured token disc added to its base. The token includes an outer section and a central strike plate. The strike plate includes a strike ball at its center. The presence of the token increases the effective length of the cartridge and thereby prevents the clos

A firearm cartridge with a specially-configured token disc added to its base. The token includes an outer section and a central strike plate. The strike plate includes a strike ball at its center. The presence of the token increases the effective length of the cartridge and thereby prevents the closure of the bolt of a conventional firearm. As a result, the inventive cartridge cannot be fired in a conventional firearm.

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1. A cartridge configured for use in a centerfire firearm having a defined maximum headspace, comprising: a. a base with a centrally located primer;b. a token disc affixed to said base of said cartridge, said token disc including, i. an outer section,ii. a central strike plate separated from said ou

1. A cartridge configured for use in a centerfire firearm having a defined maximum headspace, comprising: a. a base with a centrally located primer;b. a token disc affixed to said base of said cartridge, said token disc including, i. an outer section,ii. a central strike plate separated from said outer section by a cutout,iii. an arm linking said central strike plate to said outer section,iv. a strike ball mounted in said central strike plate, with said strike ball lying proximate said centrally located primer; andc. wherein a thickness of said token disc is configured to produce a critical cartridge length for said cartridge that is substantially beyond said defined maximum headspace. 2. The cartridge as recited in claim 1, wherein said outer section, said arm, and said strike plate are made as an integral piece from one material. 3. The cartridge as recited in claim 2, wherein: a. said strike plate is separated from said arm by a first hinge relief; andb. said arm is separated from said outer section by a second hinge relief. 4. The cartridge as recited in claim 3, wherein: a. said strike plate includes a passage; andb. said strike ball is pressed into said passage. 5. The cartridge as recited in claim 3, wherein: a. said strike plate includes a passage: andb. said strike ball is pressed into said passage. 6. The cartridge as recited in claim 2, wherein said strike ball is made of a hard metal. 7. The cartridge as recited in claim 6, wherein said outer section, said arm, and said strike plate are made from a material selected from the group consisting of brass, aluminum, and plastic. 8. The cartridge as recited in claim 2, wherein: a. said strike plate includes a passage; andb. said strike ball is pressed into said passage. 9. The cartridge as recited in claim 1, wherein: a. said strike plate includes a rearward surface; andb. said rearward surface of said strike plate lies to the rear of a rearward most extent of said strike ball. 10. The cartridge as recited in claim 1, wherein said outer section has a thickness greater than 2.0 mm. 11. The cartridge as recited in claim 1, wherein said outer section has a thickness greater than 2.3 mm. 12. A cartridge configured for use in a centerfire firearm having a defined maximum headspace, comprising: a. a base with a centrally located primer;b. a token disc affixed to said base of said cartridge, said token disc including a strike ball mounted in a central strike plate, with said strike ball being centered on said centrally located primer; andc. wherein a thickness of said token disc is configured to produce a critical cartridge length for said cartridge that is substantially beyond said defined maximum headspace. 13. The cartridge as recited in claim 12, wherein said token disc includes: a. an outer section;b. a central strike plate separated from said outer section by a cutout;c. an arm linking said central strike plate to said outer section; andd. wherein said strike ball is mounted in said central strike plate. 14. The cartridge as recited in claim 13, wherein: a. said strike plate is separated from said arm by a first hinge relief; andb. said arm is separated from said outer section by a second hinge relief. 15. The cartridge as recited in claim 13, wherein said outer section, said arm, and said strike plate are made from a material selected from the group consisting of brass, aluminum, and plastic. 16. The cartridge as recited in claim 13, wherein: a. said strike plate includes a passage; andb. said strike ball is pressed into said passage. 17. The cartridge as recited in claim 13, wherein: a. said strike plate includes a rearward surface; andb. said rearward surface of said strike plate lies to the rear of a rearward most extent of said strike ball. 18. The cartridge as recited in claim 12, wherein said strike ball is made of a hard metal. 19. The cartridge as recited in claim 12, wherein said token disc has a thickness greater than 2.0 mm. 20. The cartridge as recited in claim 12, wherein said token disc has a thickness greater than 2.3 mm.