Jul 22, 2025

US12366424 - Firearm sight having lifetime round counter

An accessory for a firearm includes a target sight for mounting to a portion of the firearm and a counter configured to count a total number of rounds fired by the firearm.

firearmsightaccessoryround_counter

The patent describes a firearm accessory that includes a target sight and a round counter, designed to accurately track the number of rounds fired by the firearm. It utilizes accelerometers to detect movement from the pistol slide and increments the round count only once per firing event, ensuring precise tracking.

Claim 1

  1. A target sight for mounting to a pistol slide of a pistol, the target sight comprising: one or more accelerometers structured to convert an impulse force of pistol slide movement caused by firing a round of ammunition from the pistol to an impulse signal; a timer having a time interval at least as long as a pistol slide movement time after the round of ammunition is fired; and a counter configured to increment a round count total of the target sight only a single time during the time interval when the impulse signal exceeds a threshold. one or more accelerometers structured to convert an impulse force of pistol slide movement caused by firing a round of ammunition from the pistol to an impulse signal; a timer having a time interval at least as long as a pistol slide movement time after the round of ammunition is fired; and a counter configured to increment a round count total of the target sight only a single time during the time interval when the impulse signal exceeds a threshold.

Google Patents

https://patents.google.com/patent/US12366424

USPTO PDF

https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/12366424

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