Apr 14, 2026

USRE050863 - Rifle cartridge with improved bullet upset and separation

A rifle cartridge with a bullet has desirable penetration capabilities and controlled separation of components upon terminal impact. In embodiments of the invention, the bullet comprises a forward component, a lead core, and a copper jacket. The lead jacket having a leading edge portion that extends to the cylindrical mid portion. The forward component may have a forward pointed ogive portion, a cylindrical mid portion, a mid ogive portion, and a pair of cylindrical portions separated by an annular groove. The jacket having a cannelure at the annular groove and the casing upper lip crimped into the cannelure.

Assignee: Federal Cartridge Company
Inventors: Bryan P. Peterson
Filing date: 2024-03-15

riflecartridgeammunitionbullet

The patent describes a rifle cartridge designed for enhanced penetration and controlled separation of its bullet components upon impact, featuring a complex bullet structure with multiple sections and a specialized jacket. The bullet’s design includes a forward ogival portion, cylindrical mid sections, and an annular groove for improved performance during terminal ballistics.

Claim 1

1 . A rifle cartridge comprising a cartridge casing with a mouth and an interior, propellant in the interior of the cartridge casing, and a bullet secured in the mouth of the cartridge casing, the bullet comprising: a forward component, the forward component comprising a forward ogival portion with a forward ogival surface, the forward ogival portion terminating at a forward tip, a forward cylindrical portion rearward of the forward ogival portion, and a mid ogival portion rearward of the forward ogival cylindrical portion, the mid ogival portion comprising a mid ogival surface , and a rearward cylindrical portion rearward of the mid ogival portion ; and a jacket defining a cup, configured to receive the forward component seated in the cup , the jacket comprising a leading edge defining an annular scoop, wherein the annular scoop is defined by the leading edge portion and tapered rearward toward the forward cylindrical mid portion defining to define a forward facing annular recess. a forward component, the forward component comprising a forward ogival portion with a forward ogival surface, the forward ogival portion terminating at a forward tip, a forward cylindrical portion rearward of the forward ogival portion, and a mid ogival portion rearward of the forward ogival cylindrical portion, the mid ogival portion comprising a mid ogival surface , and a rearward cylindrical portion rearward of the mid ogival portion ; and a jacket defining a cup, configured to receive the forward component seated in the cup , the jacket comprising a leading edge defining an annular scoop, wherein the annular scoop is defined by the leading edge portion and tapered rearward toward the forward cylindrical mid portion defining to define a forward facing annular recess.

Google Patents

https://patents.google.com/patent/USRE050863

USPTO PDF

https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/RE050863