US12546575 - Plated bismuth shot

The patent describes a shotgun shell containing plated bismuth shot, which features a bismuth alloy core coated with a harder metal or metal alloy. The shot is designed to include a mixture of small and large pellets, enhancing performance and reducing environmental impact.

Claim 1

1 . A shotgun shell comprising a cartridge loaded with a plurality of plated bismuth shot, wherein each plated bismuth shot comprises: a substantially spherical core comprising a bismuth alloy, wherein the bismuth alloy comprises bismuth and tin; and a metal coating plated on the core; wherein the metal coating comprises a metal or metal alloy having a hardness greater than bismuth; wherein the metal coating has a thickness of from about 0.0005 to about 0.02 inches; wherein the plurality of plated bismuth shot comprises a mixture of small shot and large shot. a substantially spherical core comprising a bismuth alloy, wherein the bismuth alloy comprises bismuth and tin; and a metal coating plated on the core; wherein the metal coating comprises a metal or metal alloy having a hardness greater than bismuth; wherein the metal coating has a thickness of from about 0.0005 to about 0.02 inches; wherein the plurality of plated bismuth shot comprises a mixture of small shot and large shot.

Google Patents

https://patents.google.com/patent/US12546575

USPTO PDF

https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/12546575