Self-loading pistol conversion kit for a locked self-loading pistol and a weapon system composed of an optionally locked or unlocked self-loading pistol

US6314859A · kind A · utility

Assignee

• HECKLER & KOCH GmbH · DE

Inventors

• Berthold Weichert · Camburg, DE
• Ernst Mauch · Dunningen, DE
• Helmut Weldle · Obermoschel, DE
• Hans-Peter Bantle · Dunningen, DE

Key dates

• Filing date: Nov 30, 1999
• Grant date: Nov 13, 2001
• Expiry date: Nov 30, 2019

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F41A3/86
• WIPO field: Other special machines
• WIPO sector: Mechanical engineering

Abstract

An unlocked self-loading pistol and a conversion kit for modifying a locked self-loading pistol adapted for firing normal and powerful cartridges into an unlocked self-loading pistol capable of firing weak cartridges as well as normal and powerful cartridges is disclosed. The unlocked self-loading pistol includes a return spring which is closely surrounded on the outside by a sleeve composed of an elastomer material. The length of the elastomer sleeve corresponds approximately to the length of the compressed return spring. The sleeve absorbs a part of the movement energy of the breech and passes it on into the grip. The conversion kit can be used to convert a locked self-loading pistol into an unlocked self-loading pistol as stated above and vice versa. The disclosed conversion kit includes: an alternate barrel which does not come into locked engagement with the breech, the abovementioned elastomer sleeve, and, optionally, a substitute return spring. The locked self-loading pistol and the conversion kit together form a weapon system which can be used to assemble a locked self-loading pistol or an unlocked self-loading pistol, as desired. The unlocked self-loading pistol can fire ve…