Jul 8, 2025

US12352528 - Clamp mount system for a firearm arm brace

A device may include an elongated body comprising an opening configured to receive a receiver extension tube of a firearm. A device may include a brace body affixed distally to the elongated body and comprising a window configured to receive a clamp mount, wherein the clamp mount is configured to retain the arm brace in a fixed position on the receiver extension tube and comprises: one or more clamps comprising at least one through-hole and one or more pads, wherein the one or more pads are configured to engage with the receiver extension tube via adjustment of one or more fasteners interfacing with the at least one though-hole.

Assignee: Magpul Industries Corp.
Inventors: Timothy Eric Roberts, Cristopher McRae, Duane Liptak
Filing date: 2022-12-16

firearmarm bracemounting

The patent describes a clamp mount system for a firearm arm brace that securely attaches to a receiver extension tube using an elongated body and a brace body. The system features adjustable clamps and pads that ensure a fixed position by applying radial pressure against the tube, enhancing stability during use.

Claim 1

A firearm arm brace, comprising: an elongated body; an opening extending into the elongated body, the opening configured to receive a receiver extension tube of a firearm; a brace body affixed beneath the elongated body; a clamp mount configured to retain the firearm arm brace in a fixed position on the receiver extension tube, the clamp mount comprising one or more clamps and at least one through-hole, wherein the clamp mount is configured to force the receiver extension tube in a radial direction relative to the opening and against a portion of an inner wall of the opening; a window extending into the opening and configured to receive the clamp mount; and one or more pads located on the clamp mount, wherein the one or more pads are configured to engage with the receiver extension tube via adjustment of one or more fasteners interfacing with the at least one through-hole. an elongated body; an opening extending into the elongated body, the opening configured to receive a receiver extension tube of a firearm; a brace body affixed beneath the elongated body; a clamp mount configured to retain the firearm arm brace in a fixed position on the receiver extension tube, the clamp mount comprising one or more clamps and at least one through-hole, wherein the clamp mount is configured to force the receiver extension tube in a radial direction relative to the opening and against a portion of an inner wall of the opening; a window extending into the opening and configured to receive the clamp mount; and one or more pads located on the clamp mount, wherein the one or more pads are configured to engage with the receiver extension tube via adjustment of one or more fasteners interfacing with the at least one through-hole.

Google Patents

https://patents.google.com/patent/US12352528

USPTO PDF

https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/12352528