US12584719 - End cap

The patent describes an improved ammunition round featuring a metal matrix composite (MMC) end cap that is solidified from a metal powder and binder matrix, forming part of a cartridge case. This design includes a stainless steel case and a deformable member that mechanically joins the end cap to the case.

Claim 1

1 . An ammunition round, comprising: a metal matrix composite (MMC) end cap, said end cap comprising an admixture including a metal powder and a binder matrix material, wherein said admixture has been caused to solidify in the shape of said end cap; a case formed from stainless steel material, said case and end cap forming a cartridge case; primer; propellant; and a projectile located in said cartridge case arranged to form said ammunition round; wherein said case is mechanically joined to the end cap by a deformable member. a metal matrix composite (MMC) end cap, said end cap comprising an admixture including a metal powder and a binder matrix material, wherein said admixture has been caused to solidify in the shape of said end cap; a case formed from stainless steel material, said case and end cap forming a cartridge case; primer; propellant; and a projectile located in said cartridge case arranged to form said ammunition round; wherein said case is mechanically joined to the end cap by a deformable member.

Google Patents

https://patents.google.com/patent/US12584719

USPTO PDF

https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/12584719