US12644665 - Firearm buffer tube cover assemblies

The patent describes a buffer tube cover assembly that includes a cover base assembly and an insert, with the insert featuring a forward protruding member that extends significantly within the assembly. This design aims to enhance the functionality and stability of the buffer tube interface in firearms.

Claim 1

1 . A buffer tube cover assembly comprising: a cover base assembly; and an insert attached to a rear side of the cover base assembly, wherein: the cover base assembly comprises a cover tube, a lever, a buffer locating portion, a spring, and at least one pin; the insert comprises at least one forward protruding member disposed inside the cover base assembly; the at least one forward protruding member extends more than half of a total length of the buffer tube cover assembly from rear to front; and the at least one forward protruding member comprises an at least partially cylindrical shape and is disposed in an upper portion of the cover base assembly adjacent to an interface with a buffer tube. a cover base assembly; and an insert attached to a rear side of the cover base assembly, wherein: the cover base assembly comprises a cover tube, a lever, a buffer locating portion, a spring, and at least one pin; the insert comprises at least one forward protruding member disposed inside the cover base assembly; the at least one forward protruding member extends more than half of a total length of the buffer tube cover assembly from rear to front; and the at least one forward protruding member comprises an at least partially cylindrical shape and is disposed in an upper portion of the cover base assembly adjacent to an interface with a buffer tube.

Google Patents

https://patents.google.com/patent/US12644665

USPTO PDF

https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/12644665