GunClaims
Weekly firearms and ammunition patent grants.
Dec 9, 2025

US12492873 - Delayed blowback system for a firearm

Apparatuses, systems, and methods are disclosed for delayed blowback mechanisms for use in or with firearms. The delayed blowback mechanism includes a housing having an internal chamber, where the housing comprises a cam pathway. The delayed blowback mechanism also includes a pivoting latch disposed at least partially within the internal chamber, where the pivoting latch is movable, with respect to the housing, along the cam pathway between a first position and a second position.

firearmblowbackmechanism

The patent describes a delayed blowback mechanism for firearms that utilizes a housing with a cam pathway and a pivoting latch that moves between two positions. This design aims to improve the operation of the firearm by controlling the timing of the blowback action.

Claim 1

1 . A delayed blowback device comprising: a housing having an internal chamber, where the housing comprises a pair of ramps that define a cam pathway; and a latch disposed at least partially within the internal chamber, where the latch is slidably movable, with respect to the housing, along the cam pathway between a first position and a second position. a housing having an internal chamber, where the housing comprises a pair of ramps that define a cam pathway; and a latch disposed at least partially within the internal chamber, where the latch is slidably movable, with respect to the housing, along the cam pathway between a first position and a second position.

Google Patents

https://patents.google.com/patent/US12492873

USPTO PDF

https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/12492873