Jun 10, 2025

US12326327 - Ammunition cartridge

Ammunition cartridge including a rigid casing including a tubular sleeve and a base closing an end of the casing, a projectile mounted at another end of the casing, a propellant charge contained inside the casing, and an ignition device. The projectile includes a solid material body having a volume V1 extending between a tip to a trailing end, wherein the projectile further includes a cavity that extends into the body from the trailing end, a volume V2 of the cavity being at least fifteen percent (15%) of a combined volume V1+V2 of the projectile solid material and cavity: V2>0.15×(V1+V2).

Assignee: Rabuffo SA
Inventors: Albert Gaide
Filing date: 2024-05-15

ammunitioncartridgepropellant

The patent describes an ammunition cartridge featuring a rigid casing, a projectile with a solid body and a cavity, and a flight destabilizing device within the cavity. The cavity’s volume must be at least 15% of the total volume of the projectile, enhancing its performance characteristics.

Claim 1

An ammunition cartridge comprising a rigid casing including a tubular sleeve and a base closing an end of the casing, a projectile mounted at another end of the casing, a propellant charge contained inside the casing, and an ignition device, the projectile comprising a solid material body having a volume V1 extending between a tip to a trailing end, wherein the projectile further comprises a cavity that extends into the body from the trailing end and a flight destabilizing device mounted in the cavity.

Google Patents

https://patents.google.com/patent/US12326327

USPTO PDF

https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/12326327