Feb 3, 2026

US12540805 - Reverse-saboted sidearm systems, and related sidearms, ammunition, and methods

A representative reverse-saboted sidearm system includes: a sidearm having a barrel assembly with an inner wall defining a longitudinally extending bore; and a round of reverse-saboted ammunition having a non-necked casing, a reverse sabot, and a projectile, the reverse sabot mounted at a discharge end of the casing with a distal end of the reverse sabot extending outwardly from the casing, the reverse sabot exhibiting a diameter corresponding to a diameter of the casing and defining a receiving passage aligned with a longitudinal centerline of the casing, the projectile being at least partially disposed within the receiving passage of the reverse sabot; the inner wall of the barrel assembly being configured to engage an exterior surface of the projectile to direct the projectile.

Inventors: Cameron Scott Wales
Filing date: 2024-01-02

firearmammunitionsidearmsabotprojectile

The patent describes a reverse-saboted sidearm system that includes a sidearm with a barrel assembly and a round of reverse-saboted ammunition featuring a non-necked casing, a reverse sabot, and a projectile. The design allows the inner wall of the barrel to engage the projectile, directing it effectively during discharge, with specific calibers outlined for both the sabot and the projectile.

Claim 1

1 . A sidearm system, comprising: a sidearm having a barrel assembly with an inner wall defining a longitudinally extending bore; and a round of saboted ammunition having a non-necked casing, a sabot, and a projectile, the sabot mounted at a discharge end of the casing with a distal end of the sabot extending outwardly from the casing, the sabot defining a receiving passage aligned with a longitudinal centerline of the casing, the projectile being at least partially disposed within the receiving passage of the sabot; the inner wall of the barrel assembly being configured to engage an exterior surface of the projectile to direct the projectile; wherein: the sabot is a first bullet of a caliber configured for use with the casing; the receiving passage is formed through the first bullet; the projectile is a second bullet of a smaller caliber than the caliber of the first bullet; the projectile is a 5.56 mm NATO rifle bullet; and the first bullet is a 10 mm auto pistol bullet. a sidearm having a barrel assembly with an inner wall defining a longitudinally extending bore; and a round of saboted ammunition having a non-necked casing, a sabot, and a projectile, the sabot mounted at a discharge end of the casing with a distal end of the sabot extending outwardly from the casing, the sabot defining a receiving passage aligned with a longitudinal centerline of the casing, the projectile being at least partially disposed within the receiving passage of the sabot; the inner wall of the barrel assembly being configured to engage an exterior surface of the projectile to direct the projectile; wherein: the sabot is a first bullet of a caliber configured for use with the casing; the receiving passage is formed through the first bullet; the projectile is a second bullet of a smaller caliber than the caliber of the first bullet; the projectile is a 5.56 mm NATO rifle bullet; and the first bullet is a 10 mm auto pistol bullet.

Google Patents

https://patents.google.com/patent/US12540805

USPTO PDF

https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/12540805