Magazine

Patents tagged Magazine

Mar 3, 2026

US12566037 - Hunting or sports weapon with improved magazine arrangement

A hunting or sports weapon with a handguard ( 4 ) attached to a receiver ( 5 ) and a barrel ( 3 ), wherein the barrel ( 3 ) with a cartridge chamber ( 34 ) leads into a breechblock ( 26 ) and forms a breech face ( 20 ) for the cartridge to be fired there, wherein a magazine well ( 24 ) for the introduction of a magazine ( 17 ) is arranged on or in the receiver ( 5 ), and on the receiver ( 5 ) a trigger unit ( 6 ), wherein a buttstock ( 11 ) adjoins the receiver ( 5 ), wherein the magazine ( 17 ) is arranged in a swivel unit ( 31 ) which can be swung away in a horizontal axis or in a plug unit ( 32 ) and is integrated at least partly in the buttstock ( 11 ).

Feb 24, 2026

US12560401 - Firearm magazine with deployable stand

A stand assembly for providing support to a firearm comprises a housing and a base. The housing includes a track body. The track body defines a plurality grooves. A tracking mechanism is configured to slidably engage the track body and navigate along the plurality of grooves. A joint mechanism is coupled to the tracking mechanism. A plurality of support members and a pull rod are coupled to the joint mechanism. The base is secured to the pull rod and is configured to releasably circumscribe an outer surface of the housing. The plurality of support members are configured to transition from a retracted position within the housing to a deployed position outside of the housing when the base is released from the outer surface of the housing and moved distally away from the housing.

Feb 10, 2026

US12546553 - Firearm magazine shooting rest with a tool storage receptacle

A shooting rest for a firearm magazine may include a body having a front end and a rear end, with the body including a floor having a top side and a bottom side disposed opposite one another, a plurality of legs extending from the bottom side of the floor and configured for supporting the shooting rest on a surface, a plurality of walls extending from the top side of the floor and defining a magazine receptacle configured for removably receiving a bottom portion of the firearm magazine therein, a tool receptacle disposed on one of the plurality of walls and configured for removably receiving at least a portion of a tool therein, and a pliable arm disposed adjacent to the tool receptacle and configured for releasably retaining the at least a portion of the tool within the tool receptacle.

Jan 27, 2026

US12535283 - Determination of round count by hall switch encoding

This disclosure describes systems, methods, and apparatus for detecting and displaying a number of rounds in a firearm magazine comprising a maximum number of N rounds. The magazine may comprise a follower, magnets on the follower, and <N magnetic-field-sensing sensors arranged along a path of the magnets when the follower moves along a length of the magazine, the sensors generating round count data based on a position of the one or more magnets relative to the <N magnetic-field-sensing sensors, and a first substantially flat antenna arranged on an inside of the magazine and configured to wirelessly transmit a round count indication to a second substantially flat antenna on the firearm, the round count indication based on the round count data, the second substantially flat antenna affixed to an inside of a magazine well of the firearm and mostly overlapping with the first substantially flat antenna.

Jan 20, 2026

US12529536 - Universal magazine loading and unloading accessory

An accessory facilitates loading and unloading of cartridges into a firearm magazine and includes a main body having a top end with a top opening, a bottom end with a bottom opening, a wall portions extending between the top and bottom ends and defining therebetween a body cavity in communication with the top and lower openings and also defining a front opening in communication with the body cavity. A first portion of the body cavity can receive a cartridge from the front opening and a second portion of the body cavity can receive an open end of a portion of a firearm magazine from the bottom opening. A thruster is movably coupled to the main body and mounted to the main body above the top end, and includes a plunger which is movable into and out of the first portion of the body cavity through the top opening.

Jan 13, 2026

US12523436 - Magazine extension

A magazine extension is provided. The magazine extension includes a baseplate structured to receive a lower open end of a magazine, the baseplate having a laterally extending through-bore; a side bracket structured to couple to the baseplate for securing the magazine, the side bracket having a laterally extending through-bore; and a locking pin insertable within both the through-bore of the baseplate and the through-bore of the side bracket to lock the side bracket to the baseplate.

Jan 6, 2026

US12516900 - Feed tower mounted leaf springs for magazines

Leaf springs for use in a firearm magazine are described. The leaf springs comprising an inner edge, an outer edge, and a channel, and configured to facilitate movement of cartridges within a feed tower of the firearm magazine. The leaf springs can be in a flexed or unflexed position, wherein downward movement of the cartridges in the feed tower outwardly flex the leaf springs into the flexed position to facilitate downward translation of the cartridges by forcing the inner edge of the leaf springs away from the cartridges, and in the unflexed position, the inner edge of the leaf springs is parallel or substantially parallel to an edge of the cartridges in the feed tower.

Dec 30, 2025

US12510316 - Box magazine fed firearm receiver with pinch tabs

A box magazine fed firearm includes pinch tabs in the receiver of the firearm. In one embodiment, the pinch tabs are opposing pieces of spring steel extending upwardly and inwardly from opposing lateral sides of the receiver. In one embodiment, the pinch tabs are sections of flat spring steel bent into an arcuate shape and secured to the receiver by screws. In one embodiment, tension screws are used to adjust an inward bias of each of the pinch tabs.

Dec 23, 2025

US12504243 - Magazine well assembly

A magazine well assembly for connecting a magazine to a firearm. The magazine well assembly has a housing defining a magazine receiving space. The magazine receiving space is adapted to receive the magazine. At least one first connector is configured to removably couple the housing to a lower receiver of the firearm.

Dec 16, 2025

US12498189 - Double stack magazine for firearm

A double stack magazine for a firearm comprises a tubular magazine body defining a cavity for holding a stack of cartridges, a spring, and a follower biased by the spring for dispensing cartridges from the magazine. The cartridges may be rimmed cartridges in one embodiment arranged in a vertically staggered side-to-side arrangement. The magazine includes a lower double stack section and upper single stack section. The follower includes angled front and rear cartridge feed surfaces each configured to exclusively engage the cartridge stack at alternate times depending on whether cartridges are present in the lower double stack section. The magazine further includes a pair of non-linear cartridge convergence ribs configured to engage the cartridge stack and force the projectile ends thereof together in the upper single stack section to center an uppermost cartridge in the stack for dispensing from the magazine to the firearm for chambering.

Dec 16, 2025

US12498190 - Drum-type magazine used in small firearm

The present invention relates to a drum-type magazine used in a small firearm. The drum-type magazine includes: a housing which includes a rear cover having an insertion space formed at the central portion, a pair of bullet guide parts formed below the insertion space, and a first storage space and a second storage space formed on both sides facing each other around the insertion space, and a front cover coupled in front of the rear cover; an insertion part inserted into the insertion space; a pair of bullet-moving members, each of which is rotatably installed with elastic force on a rotational shaft formed at the center of the first storage space and the second storage space and has seating grooves sequentially formed on the outer circumference thereof; and an operation member including a lifting portion having an operation lever, a long-hole bracket installed at a lower portion of the lifting portion, an operation rod of which one side is rotatably connected to the long-hole bracket and the other side is rotatably connected to the rotational shaft with elastic force to be rotated depending on the ascending of the lifting portion, and an operation portion installed inside an extended portion of the other side of the operation rod, rotatably installed at a predetermined angle with elastic force and pushing the an operation protrusion of the bullet-moving member to rotate the bullet-moving member in the clockwise direction.

Dec 2, 2025

US12487041 - Magazine base pad

A firearm magazine base pad comprises a base pad body adapted to be removably secured to a lower end of a magazine body, the base pad body including a front portion, a rear portion, a pair of opposed side portions, and a lower portion. The lower portion of the base pad body, when viewed in a cross-sectional plane parallel to and medially of the opposed side portions and in a cross-sectional plane perpendicular to the opposed side portions and medially of the front and rear portions, is convex. The front portion of the base pad body, when viewed in a cross-sectional plane parallel to and medially of the opposed side portions, is concave.

Dec 2, 2025

US12487042 - Mechanical magazine

A mechanical magazine, including a casing and a mechanical driver. The casing includes an ammunition inlet, an ammunition outlet, and an ammunition passage extending from the ammunition inlet to the ammunition outlet. The mechanical driver is disposed on one side of the casing and is configured to drive ammunition pills to move from the ammunition inlet to the ammunition outlet. The mechanical driver includes a rotation disc and an energy storage unit; the rotation disc is rotationally connected to the casing to push the ammunition pills to move along the ammunition passage; the energy storage unit is disposed on the rotation disc and is subjected to elastic deformation to store or release energy when the rotation disc rotates relative to the casing; when the rotation disc rotates in a direction towards the ammunition inlet, the energy storage unit is compressed to save energy.

Oct 28, 2025

US12455130 - Firearm magazine with molded seam

A firearm magazine having a body constructed by a two-stage process. First, a fabrication stage shapes a sheet material into a substantially tubular magazine body with a joint having one or more retainers formed along the mating ends. Second, a molding stage joins the mating edges using a plastic that fills the joint between the mating edges. One or more retainers along the mating ends are designed to distribute forces applied to the magazine body along the seam and provide support from the sheet material to secure the connection rather than rely on the tensile strength of the filler material to maintain the joinder of the mating edges.

Sep 30, 2025

US12429319 - Quick access firearm magazine holder for tactical vests

A magazine holder includes a backplate. The magazine holder also includes an upper holder coupled to a front surface of the backplate, wherein the upper holder is configured to detachably secure an upper portion of a firearm magazine to the front surface of the backplate. The magazine holder also includes a lower holder coupled to the front surface of the backplate, wherein the lower holder is configured to detachably secure a lower portion of the firearm magazine to the front surface of the backplate.

Sep 23, 2025

US12422205 - Firearm magazine

A firearm magazine includes a tubular body defining a hollow interior and having a forward wall, a rearward wall, a first side wall, a second opposite side wall, an open top and an open bottom opposite the open top. The forward wall includes a joint at which a material of the tubular body is joined together, wherein the joint runs along the forward wall between the open top and the open bottom. A clamp is slid onto the tubular body and compresses at least a section of the forward wall, which section comprises the joint, in a side-to-side direction.

Sep 23, 2025

US12422207 - Detachable ammunition magazine

An ammunition magazine for a firearm includes a magazine body defining an interior space in which a plurality of cartridges is receivable, a follower in the interior space configured to bias the cartridges toward an upper end of the magazine body, and a catch on the magazine body configured to hold a topmost cartridge received in the interior space in a substantially horizontal position within the upper end of the magazine body until an advancing bolt of the firearm pushes the topmost cartridge toward a firing chamber of the firearm.

Sep 16, 2025

US12416461 - Magazine capacity tracking system

A magazine capacity tracking and display system for a firearm is provided. The system includes a sensor within the magazine of the firearm to determine rounds remaining within the magazine. The system further includes a display unit connected to the firearm and separate from the magazine which displays a number identifying the number of rounds remaining in the magazine.

Sep 9, 2025

US12410997 - Ammunition magazine pouch and methods of assembling same

An ammunition magazine pouch is described herein. The ammunition magazine pouch includes a magazine support assembly including an interior surface defining a magazine chamber extending between an open top end and a closed bottom end. The magazine chamber is sized and shaped to receive at least one ammunition magazine therein. The magazine support assembly includes a front cover member including an inner surface defining a portion of the magazine chamber, a back plate member coupled to the front cover member to define the magazine chamber therebetween, and a tensioning assembly coupled to the front cover member and the back plate assembly for adjusting a distance between an upper portion of the front cover member and an upper portion of the back plate member to adjust a width of the open top end of the magazine chamber.

Aug 12, 2025

US12385705 - Firearm ammunition availability detection system

A linear encoder may be used to accurately determine a number of cartridges within a magazine. Further, using a set of magnetic sensors within a buffer tube of a firearm, it is possible to determine whether a cartridge is loaded within a chamber of the weapon and/or whether the firearm is jammed. The determination of cartridges within the magazine in conjunction with the determination of whether a cartridge is in a chamber of a firearm can give a user an accurate ammunition count. Further, the use of the linear encoder makes it possible to accurately determine the cartridge count when different cartridges are loaded into the magazine or when the magazine degrades in quality over time. Moreover, the ability for magazines to communicate with a firearm enables a user to determine a total available ammunition to the user in a single display without individually checking each magazine.

Aug 12, 2025

US12385706 - Button detent retension method for spring loaded linear actuating device

Systems, device, and methods for assembling a magazine catch device are provided which may include providing a threaded rod, providing a button base that is configured to be place along the threaded rod, and threading a button onto the threaded rod such that a first set of surfaces of the button matches up with and bears against a second set of surfaces of the button base to align the button base and the button when tension is applied to the button base and button.

Aug 5, 2025

US12379174 - Firearm

A compact rifle-caliber firearm is provided herein comprising a receiver body, a barrel, and a grip. The barrel is coupled to the receiver body and extends in a forward direction relative to the receiver body. The barrel includes a bore and a bore axis. The grip is coupled to the receiver body and positioned rearward relative to the barrel. The grip is operable to accept a magazine sized for rifle cartridges. The grip includes a grip depth that is less than or equal to two inches. The compact rifle-caliber firearm may further include a magazine operable to be inserted into the grip and operable to receive rifle cartridges. An interior magazine depth may be less than a length of the rifle cartridges. Rifle cartridges positioned in the magazine may be angled relative to an uppermost cartridge.

Aug 5, 2025

US12379175 - High-capacity automatic magazine reloader

A high-capacity magazine reloader is disclosed, including a housing having an interior defined by a left side, a right side, a top, a bottom, a front and a back. The interior retains a plurality of rounds within a spiral channel having a first end nearmost a central axis and a second end forming an opening to permit the egress of the plurality of rounds. A spiral spring is biased to provide a rotational force to a first vertical member. A second vertical member is connected to the first vertical member via a horizontal member. The second vertical member is at least partially within the spiral channel to contact the plurality of rounds and force the plurality of rounds from the first end to the opening. A magazine receiver is positioned at the opening, the magazine receiver to releasably connect to a magazine of a firearm.

Jul 15, 2025

US12359884 - Caliber select magazine system

A firearm comprises a frame defining a magazine well configured to receive a first magazine type configured to receive a first cartridge caliber and to receive a second magazine type configured to receive a different second cartridge caliber. It has a magazine retention latch connected to the frame, and the latch is configured to admit and retain a magazine of the first type and to deny admission and retention of a magazine of the second type.

Jul 15, 2025

US12359885 - Firearm magazine clamping assemblies and loader assemblies

A clamping assembly for clutching a firearm magazine during loading of a cartridge into the firearm magazine includes a main frame having a back stop portion, a first side portion, and a second side portion; a first side plate; and a second side plate. The clamping assembly further includes a first connection plate disposed between the first side plate and the first side portion of the main frame and pivotably coupled to both the main frame and the first side plate. The clamping assembly further includes a second connection plate disposed between the second side plate and second side portion of the main frame and pivotably coupled to both the main frame and the second side plate.

Jul 8, 2025

US12352521 - Magazine loader

A magazine loader assists in loading cartridges into a magazine of a firearm. An elongated sleeve has an open distal end and a hollow therethrough sized and shaped to receive a stack of cartridges. A collar at a proximal end of the sleeve has an enlarged opening sized and shaped to receive an open proximal end of the magazine. A plunger has a proximal end selectively receivable in the open distal end of the sleeve, and has an elongated shank slidable in the hollow of the sleeve and an enlarged head. The plunger presses the stack of cartridges through the hollow of the sleeve, out the enlarged opening of the collar and into the magazine.

Jun 24, 2025

US12339083 - Firearm, an upper receiver and a bolt carrier

A firearm, comprises a bolt carrier group comprising a bolt carrier and a bolt, an upper receiver configured to carry the bolt carrier; a magazine well configured to receive a magazine; wherein the magazine is configured to house cartridges and comprise a spring exerting a force to the cartridges from the magazine towards the bolt carrier group; and a reverse movement of the bolt carrier group is configured to unload a used cartridge from the bolt and a forward movement of the bolt carrier group is configured to load a new cartridge from the magazine. The upper receiver comprises at least two receiver contact surfaces at a region defined by the bolt carrier group trajectory and the magazine well; a first receiver contact surface is at a first positive inclined angle against the force exerted by the spring, via the cartridge, to the bolt carrier group.

Jun 24, 2025

US12339110 - Ammunition magazine pouch and methods of assembling same

A method of manufacturing an ammunition magazine pouch is described herein. The pouch includes an interior surface defining a magazine chamber configured to receive an ammunition magazine therein. The method includes thermoforming a front cover member from a first sheet of thermoplastic material and thermoforming a back plate member from a second sheet of thermoplastic material. The method also includes stitching the back plate member to an attachment assembly and coupling the front cover member to the back plate member to define the magazine chamber therebetween extending between an open top end and a closed bottom end. The method also includes coupling a tensioning assembly to the front cover member and the back plate member to adjust a distance between an upper portion of the front cover member and an upper portion of the back plate member to adjust a width of the open top end of the magazine chamber.

Jun 17, 2025

US12332006 - Firearm magazine retention system with positive positioning feature

A firearm magazine retention and release system providing a motion-limiting engagement between a firearm and a magazine. The magazine is provided with a catch opening. The firearm is provided with a magazine catch having a protrusion positioned to engage the catch opening. The protrusion includes one or more sloping surfaces that provide a greater vertical engagement as the protrusion is urged further into the catch opening. The result is that the protrusion engages one or more edges of the catch opening—thereby inhibiting vertical travel of the magazine with respect to the firearm.

Jun 17, 2025

US12332013 - Firearm with dual feed magazine

A firearm with dual feed magazine has a frame defining a magazine well and defining a forward and rearward direction, a magazine configured to be received in the magazine well in a retained position, the magazine including a tubular body having an upper end and an opposed lower end, the tubular body defining adjacent first and second elongated passages, a first spring and first follower received in the first elongated passage, a second spring and second follower received in the second elongated passage, the first elongated passage configured to receive a first stack of ammunition, and the second elongated passage configured to receive a second stack of ammunition. The tubular body may include a divider between the first and second elongated passages and is configured to separate the first stack of ammunition from the second stack of ammunition. The divider may be a flat wall.

Jun 17, 2025

US12332036 - Automatic retention firearm magazine carrier

An automatic retention firearm magazine includes a mounting plate, a face plate, and a web. The mounting plate and the face plate are arranged opposite to each other. Each of the first side and second side of the mounting plate comprises a plurality of mounting plate attachment points. Each of the first side and second side of the face plate comprises a plurality of face plate attachment points. The web comprises a plurality of mounting plate complementary attachment points and a plurality of face plate complementary attachment points corresponding to the plurality of mounting plate attachment points and the plurality of face plate attachment points, respectively. The web is resilient to provide a retention force to keep the mounting plate and face plate in position.

Jun 10, 2025

US12326313 - Firearm magazine engagement mechanisms and related techniques

The techniques described herein relate to methods and apparatus for a magazine release for a firearm. The magazine release includes an arm configured to engage with a magazine on a first side of the magazine, and an actuator operatively coupled to the arm and configured to transition the arm from a first position to a second position when actuated, wherein in the first position the arm is engaged with the magazine to hold the magazine and in the second position the arm is disengaged from the magazine, wherein the actuator is configured to be accessible from both the first side of the magazine and a second side of the magazine opposite the first side.

Jun 10, 2025

US12326314 - Gun magazine base pad with cantilever spring latch mechanism

A firearm magazine base pad having a significantly reduced overall height. The base pad is slidably engaged to the bottom of the magazine tube-thereby securing a magazine spring and follower inside the tube. A plunger latch mechanism is provided to lock the base pad in place. The plunger can be depressed in order to release the base pad and allow it to slide free of the magazine tube. The plunger is biased upward by a lateral cantilever spring. A fixed end of the cantilever spring is attached to the base pad. A free end of the cantilever spring moves with the plunger.

Jun 10, 2025

US12326326 - Vehicular firearm magazine holding device

A firearm magazine holding device includes an elongated main body for being positioned within the door pocket of a motor vehicle. The main body includes an elongated general storage compartment and a plurality of firearm magazine slots. Each of the firearm magazine slots are oriented vertically for individually receiving and positioning a firearm magazine vertically within the device. Each firearm magazine slot includes a foam lining along the interior surface for engaging different sized firearm magazines within each slot. In some versions the main is manufactured to fit a specific vehicle and includes a shape and size that is complementary to the shape and size of the vehicles door pocket. In other embodiments, the main body is manufactured to fit a variety of different vehicles and includes a mounting lip along the front surface and an adhesive strip along the bottom surface and/or other surfaces.

Jun 3, 2025

US12320601 - Concealable pistol

A pistol comprises a barrel connected to a frame that has a grip portion defining an elongated magazine well. A magazine defining a plurality of chambers is removably receivable within the well. A trigger assembly connected to the frame engages a magazine with a follower or cam surface by which trigger assembly advances the magazine within the well and indexes the magazine along its length to sequentially align each chamber with the barrel, and sequentially discharge each cartridge in the magazine. The follower elements may be arranged parallel to the length of the magazine so that each may be associated with a particular chamber. A “safety” condition is effectible by pushing a loaded magazine downward and into a concealable condition with its chambers out of alignment with the gun barrel and wherein a transfer bar safety blocks the hammer from inserting its firing pin into a magazine chamber.

Jun 3, 2025

US12320611 - Firearm ammunition availability detection system

A linear encoder may be used to accurately determine a number of cartridges within a magazine. Further, using a set of magnetic sensors within a buffer tube of a firearm, it is possible to determine whether a cartridge is loaded within a chamber of the weapon and/or whether the firearm is jammed. The determination of cartridges within the magazine in conjunction with the determination of whether a cartridge is in a chamber of a firearm can give a user an accurate ammunition count. Further, the use of the linear encoder makes it possible to accurately determine the cartridge count when different cartridges are loaded into the magazine or when the magazine degrades in quality over time. Moreover, the ability for magazines to communicate with a firearm enables a user to determine a total available ammunition to the user in a single display without individually checking each magazine.

May 27, 2025

US12313366 - Ambidextrous firearm controls

Various embodiments are directed to ambidextrous firearm controls, including an ambidextrous bolt control assembly and/or ambidextrous magazine release and associated methods. The ambidextrous bolt control assembly may include a bolt catch configured to hingedly connect to a firearm to rotate between a disengaged position and an engaged position, the bolt catch may include a first bolt catch engagement button operable from a first side of the firearm and a first bolt catch release button operable from the first side of the firearm; an ambidextrous bolt catch engagement button operable from a second side of the firearm; and an ambidextrous bolt catch release button operable from the second side of the firearm; wherein the ambidextrous bolt catch engagement button and the ambidextrous bolt catch release button may each be separately movable relative to the firearm. The ambidextrous bolt catch assembly may further include an ambidextrous magazine release assembly.

May 27, 2025

US12313368 - Storage and loading system for large caliber ammunition

A magazine for large ammunition includes a plurality of ammunition holders, with each ammunition holder being configured to operatively interface with a single round of ammunition. Each ammunition holder comprises an outer body, and an inner body configured to interface with the single round of ammunition. The inner body is transitional relative to the outer body between a first position and a second position, with the inner body extending out of the outer body as the inner body transitions from the first position toward the second position. The inner body is configured to release the single round of ammunition in response to the inner body being transitioned to the second position. The magazine additionally includes a plurality of links, with each link being coupled to a pair of the plurality of ammunition holders.

May 20, 2025

US12305941 - Locking magazine

A magazine is provided for a firearm. The magazine comprises a locking mechanism. The locking mechanism has a user interface adapted to enable a user to select between a locked condition and an unlocked condition. The locking mechanism has a rotor movable between a first rotational position when the locking mechanism is in the locked condition and a second rotational position when the locking mechanism is in the unlocked condition. The magazine comprises an elongated shaft connected to the rotor. The magazine comprises a block element connected to the elongated shaft. The block element is adapted to move between a first position when the locking mechanism is in the locked condition in which at least one of firearm operation and magazine extraction are prevented, and a second position when the locking mechanism is in the unlocked condition in which firearm operation and magazine extraction are enabled.

May 20, 2025

US12305953 - Jam-resistant drum magazine

Jam-resistant drum magazines and related methods are disclosed. In some implementations, a jam-resistant drum magazine includes a drum, which may have a base, a body, and a top. Some implementations of the drum include a tiered component having a platform extending from a support, and some implementations have a channeled component having a channel configured to receive a round of ammunition. Some implementations include a transition drum, which may have a cylinder with a chamber configured to receive the round of ammunition from the channel. In some implementations, the tiered component is configured to rotate with respect to the channeled component, thereby causing the round of ammunition to move along the platform toward the transition drum.

May 6, 2025

US12292247 - Systems and methods for locking and unlocking a gun

A lock apparatus for a gun, includes a magazine lock. The magazine lock is configured to fit into a magazine opening of the gun. The magazine lock further includes an interference member. The interference member is configured from a flexible material. The interference member is fastened to a first end of the magazine lock. The flexible material forms a loop. When the loop is inserted into the magazine opening the loop exits out of an open chamber of the gun thereby enabling an external lock to capture the loop placing the gun in a LOCKED state.

Apr 22, 2025

US12281868 - Increased capacity ammunition magazine

An increased capacity replacement firearm ammunition magazine for a polymer or polymer-over-metal single stack firearm ammunition magazine for a Glock® handgun, comprises a metallic body dimensioned to compatibly replace the single stack magazine for the Glock® handgun, the single stack magazine having a body having exterior dimensions defined by polymer or polymer-over-metal forward, aft, and side walls, the metallic body having exterior dimensions defined by metallic forward, aft, and side walls, an exterior width dimension of the metallic side walls compatibly matching an exterior width dimension of the side walls of the single stack magazine body, the metallic walls being thinner than the walls of the single stack magazine, the thinner metallic walls allowing an at least partially laterally offset arrangement of cartridges in the metallic body, the forward wall of the metallic body including at least one spacer extending along the forward wall, the spacer sized such that a forward-to-aft exterior dimension of the metallic body compatibly matches a forward-to-aft exterior dimension of the single stack magazine body, a length dimension of the metallic body compatibly matches a length dimension of the single stack magazine body, a cut-out in the metallic body adapted to receive a firearm magazine catch therein, the cut-out including an upper edge, and polymer over at least the upper edge of the cut-out.