Extended range bullet

US12007210B2 · kind B2 · utility

Assignee

• Federal Cartridge Company · US

Inventors

• Justin A. Carbone · Anoka, US
• Jared Kutney · Cambridge, US
• Shawn Fitzsimonds · St. Francis, US
• Lawrence P. Head · Cedar, US
• Bryan P. Peterson · Isanti, US
• Richard Hurt · Clear Lake, US
• Joel J. Foley · Lewiston, US

Key dates

• Filing date: Nov 28, 2022
• Grant date: Jun 11, 2024
• Expiry date: Nov 28, 2042

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F42B12/34
• WIPO field: Other special machines
• WIPO sector: Mechanical engineering

Abstract

A cartridge with an expanding bullet that has advantageous terminal effects over an extended range. The expanding bullet including a bullet body including a metal jacket extending from a tail portion to a nose portion and surrounding an interior solid core and defining a forward opening and interior cavity. A tip has an exterior surface substantially flush with an exterior surface of the metal jacket. The tip has a main portion forward of the opening and a tip retention portion that at least partially fills the interior cavity. In certain embodiments the tip retention portion includes one or more fluid entry facilitation means such as a fracture regions configured to, upon impact of the bullet with a target, fracture or deform to expose one or more fluid pathways into the interior cavity and to a forward facing interior surface for initiating expansion of the expanding bullet.