US12613083 - Configuration for spin stabilized less lethal munitions

The patent describes a blunt impact munition cartridge designed for use in a barrel with varying bore diameters, featuring an elastomeric projectile with two distinct polymeric rings. This configuration aims to enhance the projectile’s stability and performance when fired.

Claim 1

1 . A blunt impact munition cartridge for firing from a barrel having grooves defining a first bore diameter and lands defining a lesser second bore diameter, the cartridge comprising: a case having a propellant and defining a forward case mouth; an elastomeric projectile; the projectile having a body portion having a cylindrical sidewall configured to be closely received in the barrel; the projectile including a first polymeric ring encircling the body portion and having a first ring diameter; and the projectile including a second polymeric ring encircling the body portion and having a second ring diameter different from the first diameter. a case having a propellant and defining a forward case mouth; an elastomeric projectile; the projectile having a body portion having a cylindrical sidewall configured to be closely received in the barrel; the projectile including a first polymeric ring encircling the body portion and having a first ring diameter; and the projectile including a second polymeric ring encircling the body portion and having a second ring diameter different from the first diameter.

Google Patents

https://patents.google.com/patent/US12613083

USPTO PDF

https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/12613083