Feb 10, 2026

US12546562 - Locking systems and methods for handguard of a firearm

A handguard is for a firearm having a firearm upper. The handguard includes a body and a cam. The body is structured to be coupled to the firearm upper. The body has a central lumen having a longitudinal axis. The cam may be coupled to the body in substantially perpendicular alignment to the longitudinal axis and is configured to rotate between an UNLOCKED position and a LOCKED position. When the cam rotates from the UNLOCKED position toward the LOCKED position, the cam rotates into the central lumen.

Assignee: Killer Innovations, Inc.
Inventors: Richard Brady Olsen
Filing date: 2024-10-11

firearmhandguardlockingmechanism

This patent describes a handguard for firearms that features a body with a central lumen and a cam mechanism that can rotate between unlocked and locked positions to secure a barrel nut. The design includes a second cam to enhance the locking mechanism, ensuring a press fit engagement with the barrel nut for stability.

Claim 1

1 . A handguard for a firearm having a firearm upper, the handguard comprising: a body structured to be coupled to the firearm upper, the body having a central lumen having a longitudinal axis; and a cam coupled to the body in substantially perpendicular alignment to the longitudinal axis, and configured to rotate between an UNLOCKED position and a LOCKED position, wherein, when the cam rotates from the UNLOCKED position toward the LOCKED position, the cam rotates into the central lumen, and wherein the cam is limited in rotational movement between the LOCKED and UNLOCKED positions by a coupling member, wherein the handguard further comprises a barrel nut configured to be disposed in the central lumen and to engage the cam, and wherein, when the cam rotates from the UNLOCKED position toward the LOCKED position, the cam rotates into engagement with the barrel nut in a press fit manner in order to secure the barrel nut within the body, wherein the cam is a first cam, wherein the handguard further comprises a second cam configured to rotate between UNLOCKED and LOCKED positions to secure the barrel nut within the body. a body structured to be coupled to the firearm upper, the body having a central lumen having a longitudinal axis; and a cam coupled to the body in substantially perpendicular alignment to the longitudinal axis, and configured to rotate between an UNLOCKED position and a LOCKED position, wherein, when the cam rotates from the UNLOCKED position toward the LOCKED position, the cam rotates into the central lumen, and wherein the cam is limited in rotational movement between the LOCKED and UNLOCKED positions by a coupling member, wherein the handguard further comprises a barrel nut configured to be disposed in the central lumen and to engage the cam, and wherein, when the cam rotates from the UNLOCKED position toward the LOCKED position, the cam rotates into engagement with the barrel nut in a press fit manner in order to secure the barrel nut within the body, wherein the cam is a first cam, wherein the handguard further comprises a second cam configured to rotate between UNLOCKED and LOCKED positions to secure the barrel nut within the body.

Google Patents

https://patents.google.com/patent/US12546562

USPTO PDF

https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/12546562