Sep 22, 2026

US12742624 - Projectile system

A projectile system is described, the projectile system includes a projectile body, the projectile body including a front end portion that tapers to a point at the front end and the front end portion of the projectile body is dimensionally smaller than a bore of a firearm system, the projectile body including a driving band portion behind the front end portion of the projectile body, the driving band the driving band portion being dimensionally equal to a caliber of the firearm system and dimensionally greater than a bore diameter of the firearm system, such that the driving band portion comes into contact with the bore of the firearm system when the projectile passes through the bore of the firearm system.

Inventors: Daniel Guy Pomerleau
Filing date: 2025-02-10

projectilefirearmammunition

The patent describes a projectile system featuring a tapered front end and a driving band that matches the firearm’s caliber, ensuring contact with the bore during passage. Additionally, the system includes a boot that wraps around the projectile’s end portion to enhance sealing as it travels through the firearm’s bore.

Claim 1

1 . A projectile system comprising: a projectile body, the projectile body including a front end portion that tapers to a point at a front end and the front end portion of the projectile body is dimensionally smaller than a bore of a firearm system, the projectile body including a driving band portion behind the front end portion of the projectile body, the driving band portion being dimensionally equal to a caliber of the firearm system and dimensionally greater than a bore diameter of the firearm system, such that the driving band portion comes into contact with the bore of the firearm system when a projectile passes through the bore of the firearm system, the projectile body including an end portion behind the driving band portion; and a boot configured to wrap around the end portion of the projectile body and provide an additional seal when the projectile passes through the bore of the firearm system. a projectile body, the projectile body including a front end portion that tapers to a point at a front end and the front end portion of the projectile body is dimensionally smaller than a bore of a firearm system, the projectile body including a driving band portion behind the front end portion of the projectile body, the driving band portion being dimensionally equal to a caliber of the firearm system and dimensionally greater than a bore diameter of the firearm system, such that the driving band portion comes into contact with the bore of the firearm system when a projectile passes through the bore of the firearm system, the projectile body including an end portion behind the driving band portion; and a boot configured to wrap around the end portion of the projectile body and provide an additional seal when the projectile passes through the bore of the firearm system.

Google Patents

https://patents.google.com/patent/US12742624

USPTO PDF

https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/12742624