Nov 11, 2025

US12467728 - Deformation bullet for police and authority ammunition

The present invention relates to a hollow-point bullet, for example for police and/or authority ammunition with a caliber of at most 13 millimeters, which is made of iron, in particular soft iron.

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The invention describes a hollow-point bullet designed for police use, featuring a caliber of no more than 13 millimeters and constructed entirely from soft iron. Its design includes a central cavity in the bullet nose, which enhances deformation upon impact, making it suitable for law enforcement applications.

Claim 1

1 . A hollow-point bullet with a caliber of at most 13 mm, the bullet comprising a bullet tail, and a bullet nose with a central cavity having a front-side opening, wherein a diameter of the front-side opening of the cavity is greater than 50% of the caliber of the bullet, and wherein the bullet is made in one piece of an iron-based material, wherein the bullet nose is ogive shaped, wherein a nose wall delimiting the cavity has a substantially constant inner diameter, wherein a length of the cavity dimensioned in the longitudinal direction of the bullet is at most 50% of the bullet length, and wherein the cavity is not occupied by a filler component.

Google Patents

https://patents.google.com/patent/US12467728

USPTO PDF

https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/12467728