Jun 23, 2026

US12663236 - Foldable firearm

The present disclosure describes a foldable firearm that collapses into a folded state under spring pressure. The foldable firearm may include a foldable grip assembly. The foldable grip assembly may include a foldable pistol grip, a foldable trigger assembly, a folding bar, and a foldable hand stop. The foldable grip assembly may fold into the top shell of the foldable firearm. The foldable firearm may also include an ambidextrous charging handle assembly that may include a bottom portion, a top portion, a guide bar, and two opposing charging handles. The charging handles may be pulled to unfold the foldable firearm, and/or butterflied such that pivoting one charging handle causes the other charging handle to pivot. The first-pivoted charging handle may then be pulled rearwards to unfold the firearm. The first-pivoted charging handle may then be pulled further rearwards to rack the slide of the foldable firearm.

Assignee: Magpul Industries Corp.
Inventors: Nicholas Kielsmeier, Brian L. Nakayama, Jeremy M. Fiester, Michael T. Mayberry
Filing date: 2025-01-16

firearmfoldablemechanism

The patent describes a foldable firearm that features a collapsible grip assembly and an ambidextrous charging handle, allowing it to be compactly stored and easily deployed. The design includes a hinged tail that secures the firearm in its folded state and can be disengaged to unfold the firearm for use.

Claim 1

1 . A foldable firearm comprising: a receiver configured to couple to a foldable trigger grip assembly; a barrel having a muzzle, the barrel received in the receiver; a top shell at least partially surrounding the barrel, the top shell having an ambidextrous charging handle assembly and a locking mechanism arranged thereon; and a bottom shell at least partially surrounding the receiver, the bottom shell having a hinged tail, wherein the hinged tail is configured to: rotate about a pivot axis on the bottom shell, detachably engage with the locking mechanism when the foldable firearm is in a folded configuration, and disengage from the locking mechanism via actuating the ambidextrous charging handle assembly, wherein at least a portion of the hinged tail is located proximate the muzzle when the foldable firearm is in a folded configuration, and wherein the muzzle is at least partially covered by the hinged tail in response to the foldable firearm being in the folded configuration. a receiver configured to couple to a foldable trigger grip assembly; a barrel having a muzzle, the barrel received in the receiver; a top shell at least partially surrounding the barrel, the top shell having an ambidextrous charging handle assembly and a locking mechanism arranged thereon; and a bottom shell at least partially surrounding the receiver, the bottom shell having a hinged tail, wherein the hinged tail is configured to: rotate about a pivot axis on the bottom shell, detachably engage with the locking mechanism when the foldable firearm is in a folded configuration, and disengage from the locking mechanism via actuating the ambidextrous charging handle assembly, wherein at least a portion of the hinged tail is located proximate the muzzle when the foldable firearm is in a folded configuration, and wherein the muzzle is at least partially covered by the hinged tail in response to the foldable firearm being in the folded configuration.

Google Patents

https://patents.google.com/patent/US12663236

USPTO PDF

https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/12663236