Vista Outdoor has been granted a patent for an 8 mm or .32 caliber semiautomatic handgun cartridge that allows for a greater number of rounds to be carried in a smaller space while maintaining ballistic performance. The cartridge features specific dimensions and components, including a rimless case, a .32 caliber bullet, propellant, and a primer. The overall length of the cartridge can range from 1.100 in. to 1.169 in. GlobalData’s report on Vista Outdoor gives a 360-degree view of the company including its patenting strategy. Buy the report here.

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According to GlobalData, Vista Outdoor's grant share as of September 2023 was 76%. Grant share is based on the ratio of number of grants to total number of patents.

Patent granted for a compact .32 caliber semiautomatic handgun cartridge

Source: United States Patent and Trademark Office (USPTO). Credit: Vista Outdoor Inc

A recently granted patent (Publication Number: US11774221B1) describes a semiautomatic .32 caliber cartridge with specific dimensions and characteristics. The cartridge includes a rimless case with a length of about 0.827 inches and a flange diameter of 0.3440 inches. The outer case diameter tapers from the flange diameter to a case mouth diameter of 0.3370 inches. The case also features an intermediate portion with a length of 0.500 inches, a rear end outer diameter of 0.3425 inches, and a forward end outer diameter of 0.3381 inches. The rear end of the case has a groove and flange.

The cartridge contains a .32 caliber bullet seated in the case mouth, positioned forward of an internal thickness taper portion. The bullet has a weight ranging from about 60 to 120 grains. The case is loaded with a propellant that generates a chamber pressure of approximately 32,000 to 55,000 pounds per square inch (psi). A primer is seated in the flange of the case. The overall length of the cartridge ranges from 1.100 to 1.169 inches.

The muzzle velocity of the bullet fired from a pistol using this cartridge is estimated to be between 1120 and 1350 feet per second (fps). The muzzle energy, which is a measure of the bullet's stopping power, is expected to range from 320 to 405 foot-pounds (ft-lbf).

The cartridge also features an internal thickness taper portion that decreases in thickness towards the forward end of the cartridge. This taper extends for an axial length of about 0.150 to 0.350 inches. The primer dimensions can vary, with options including a base thickness of at least 0.0205 inches, a diameter of 0.1745 to 0.1765 inches, and a height of 0.115 to 0.126 inches. Alternatively, the primer can have a base thickness of about 0.0190 to 0.0200 inches, an outer diameter of about 0.1746 to 0.1752 inches, and a height of about 0.1075 to 0.1165 inches.

The bullet may have a hollow point and is composed of a lead core and a copper jacket. Its length ranges from approximately 0.4 to 0.9 inches. The case itself is made of brass material.

Overall, this patent describes a specific semiautomatic .32 caliber cartridge with precise dimensions, bullet characteristics, and performance specifications. The cartridge is designed to provide consistent muzzle velocity and energy when fired from a pistol, making it suitable for various applications.

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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.

GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.