Abstract: The present disclosure provides systems and techniques for dynamically operating a peripheral component of a gun, such as a flashlight, an electronic sight, or a haptic motor. The gun may perform an authentication procedure to identify a user operating the gun, retrieve a configuration file from memory housed in the gun in response to the authentication procedure, and perform a function at the peripheral component based on the configuration file indicating that the function is to be performed for the user. The gun may collect authentication data, such as biometric data or token data, and the gun may identify the user operating the gun based on the authentication data. The user operating the gun may be identified in response to matching the collected authentication data to authentication data stored in the memory, and the gun may determine the function based on the configuration file indicating the function for the user.

Abstract: Contact lens dispensers are provided including a pens dispenser having an interior and a dispensing end. A delivery screw is provided in the interior of the tubular housing. The delivery screw has a thread pitch and a plurality of contact lenses, one contact lens per pitch. Upon actuation of an actuator, each contact lens moves along the thread by a distance of one pitch and a single contact lens is dispensed from the dispensing end of the tubular housing. A case and disposable foil contact lens cartridge are also provided as a re a case and disposable contact lens foil spool, wherein actuation of push-buttons dispense contact lenses ready for immediate application onto an eye.

Abstract: Innovative mounting devices for innovative wipe dispensers are described.

Abstract: Firearms with adjustable gas block regulators have a receiver defining a passage receiving a reciprocating bolt assembly, a barrel defining a barrel axis and extending from the receiver and defining a barrel gas aperture, a gas block connected to the barrel and having a gas block inlet registered with the barrel gas aperture, the gas block defining a gas block bore transverse to the barrel axis and in communication with the gas block inlet, the gas block bore defining a gas block bore axis, the gas block defining a gas outlet in communication with the gas block bore, a regulator closely received in the bore and operable to reciprocate along the gas block bore between at least a first position and a different second position, the regulator defining first and second gas paths having different gas flow characteristics.

Abstract: The present invention relates to a magazine extension which has been developed for use in semi-automatic and pump-action hunting rifles and which increases the magazine capacity without losing spring force by easily connecting the end of the rifle to the magazine tube.

Abstract: Embodiments of a magazine coupler include a coupler body, a first magazine attachment interface coupled to the coupler body and configured to removably mount a lower end portion of the first firearm magazine to the coupler body, a second magazine attachment interface coupled to the coupler body and configured to removably mount a lower end portion of the second firearm magazine to the coupler body, and a finger aperture extending formed through the coupler body. The finger aperture is sized and shaped to enable a user or firearm operator to spin the magazine coupler about a finger of the user when inserted through the finger aperture to vary which of the first firearm magazine and the second firearm magazine resides in an upright orientation for insertion into a well of a firearm when the magazine coupler resides in a deployed state.

Abstract: A location-based gun magazine has a housing having a plurality of locking apertures, a spring, a wireless receiver switching device, a battery, and an electromagnet locking mechanism. The electromagnet locking mechanism has a locking tab for engaging and locking with the plurality of locking apertures, the locking tab actuatable via the electromagnet, the electromagnet receiving a signal from the wireless receiver switching device. The wireless receiver switching device may have a radio receiver, a GPS chip, or other device for receiving location-based information.

Abstract: Contact lens dispensers are provided including a pens dispenser having an interior and a dispensing end. A delivery screw is provided in the interior of the tubular housing. The delivery screw has a thread pitch and a plurality of contact lenses, one contact lens per pitch. Upon actuation of an actuator, each contact lens moves along the thread by a distance of one pitch and a single contact lens is dispensed from the dispensing end of the tubular housing. A case and disposable foil contact lens cartridge are also provided as a re a case and disposable contact lens foil spool, wherein actuation of push-buttons dispense contact lenses ready for immediate application onto an eye.

Abstract: A firearm magazine extender is installable onto a firearm magazine having a lower end portion from which magazine flanges project. Embodiments of the firearm magazine extender include a first enclosure piece, a second enclosure piece, and a laterally-interlocking interface formed between the first and second enclosure pieces. The first enclosure piece includes, in turn, laterally-flexible sidewalls spaced along a lateral axis of the firearm magazine extender, and retention slots formed in the laterally-flexible sidewalls and into which the magazine flanges engage when the first enclosure piece is fit onto the firearm magazine. The second enclosure piece is configured to matingly engage the first enclosure piece and cooperate therewith to enclose the lower end portion of the firearm magazine.

Abstract: A location-based gun magazine has a housing having a plurality of locking apertures, a spring, a wireless receiver switching device, a battery, and an electromagnet locking mechanism. The electromagnet locking mechanism has a locking tab for engaging and locking with the plurality of locking apertures, the locking tab actuatable via the electromagnet, the electromagnet receiving a signal from the wireless receiver switching device. The wireless receiver switching device may have a radio receiver, a GPS chip, or other device for receiving location-based information.

Abstract: Apparatus, systems, and methods for an adjustable magazine lockup. A magazine body includes a slot in a first side with feed lips connected to the top side. The feed lips have a top edge positioned away from the top side of the magazine body. A first insert with a first lockup notch may be positioned within the slot so that there is a first distance from the top edge of the feed lips to a centerline of the first lockup notch. The insert may be replaced to change to the top edge of the feed lips. A second insert having a second lockup notch may be inserted into the slot in the first side of the magazine body to increase the distance and a third insert having a third lockup notch may be inserted into the slot in the first side of the magazine body to decrease the distance.

Abstract: A firearm magazine is provided that includes metal feed lips and a plastic body. In the upper part of the cavity of the plastic body of the magazine, a shoulder is included in which the metal feed lips are located. At least one vertical groove may be included on one of the walls of the shoulder of the plastic body. The metal feed lips are attached to the plastic body, potentially by at least one opening and by at least one corresponding projection, which may be formed on the adjacent walls of the plastic body and the feed lips.

Abstract: A follower for an ammunition magazine comprises an elongated platform which has a spring anchor extending from an underside surface of the platform. The spring anchor comprises a hook-like appendage which defines a central transverse slot which leads to a catch portion from a restricted access portion. An opening is defined in the platform in general longitudinal alignment with a portion of the spring anchor. The follower spring has a mounting end portion. The follower spring passes through the access slot and is received in the catch for assembly to the platform.

Abstract: A high capacity magazine for high powered rimfire cartridges comprises a header portion that has a form factor to be received in a rotary magazine receptacle and an arcuate cartridge bank portion that holds a column of cartridges. A pair of clamshell halves define an arcuate cartridge bank and a lower portion of the header potion. A header caps the upper ends of the clamshell haves securing the clamshell halves together. The head and clamshell halves define the cartridge pathway to the magazine exit to be fed into the rifle chamber.

Abstract: Shooting rests are disclosed herein. Example shooting rests includes a body with a fore end, an aft end, and a floor. The floor includes a top side and an opposed bottom side. A set of walls extends from the top side of the floor. The body also includes a set of legs extending from the opposed bottom side of the floor. A tension band is attached to the set of walls, and a selectively removable tool is disposed on the body.

Abstract: Provided is a detachable drum ammunition magazine for rimmed cartridges having a housing with a neck portion configured for detachable attachment to a firearm. A first sprocket in the housing has a first axis of rotation. A second sprocket within the first sprocket has an axis of rotation concentric with the first axis of rotation. The first sprocket has a gap through which cartridges are pushed to the neck portion and a hinged follower is on the second sprocket.

Abstract: A novel converter unit, system, and method of use with a firearm are disclosed. The converter unit may comprise a grip, pivot, and linkage. The grip is rotatably attached to the pivot, which in turn is attached to a receiver of a firearm. The linkage is in communication with the grip and a magazine release of the firearm such that rotation of the grip causes the linkage to slide toward or away from a muzzle of the firearm. The linkage and magazine release are preferably configured wherein the magazine release is not functional when the grip is angled away from the axis of the firearm. Conversely, when the axis of the grip is parallel to the axis of the firearm, the magazine release is functional.

Abstract: A number of embodiments of a firearm are disclosed where the firearm includes a magazine configured to hold the bolt in an open position when the magazine is empty. In one embodiment, the firearm includes a bolt stop mechanism that moves between a first position where it allows the bolt to cycle between an open position and a closed position and a second position where it holds the bolt in the open position. The magazine is configured to actuate the bolt stop mechanism to the first position when the magazine is empty.

Abstract: A device enabling a shotgun operator to carry an additional choke tube on the body of a shotgun is disclosed. Embodiments include a universal adapter end cap configured to be threaded onto the end of a shotgun magazine, the universal adapter end cap including an opposite end adapted to secure an accessory (e.g., shotgun choke tube). Accordingly, embodiments enables an operator to stow and carry a second unused choke tube at the end of the shotgun magazine. Some embodiments of the universal adapter end cap include a threaded opening that enables the choke tube to be threaded into the threaded opening. Some embodiments provide threads constructed from flexible material to enable both threading and push insertion of an accessory into the universal adapter end cap.

Abstract: Latches for rifles have a body having a connection facility adapted to connect to the lower receiver, the body being movable between a first position and a second position, the body having an actuator surface adapted to contact the upper receiver and responsive to position the body in the first position in response to the upper receiver in the assembled condition, and to position the body in the second position in response to the upper receiver in the separated condition, the body having a block surface adapted to prevent movement of the magazine catch from the retention position to the released position when the body is in the first position and to enable movement of the magazine catch from the retention position to the released position when the body is in the second position, and a movable adjustor element connected to the body and movable within an adjustment range.

Abstract: There is provided an automatic firing apparatus, and a method for operating the automatic firing apparatus, the apparatus comprising a trigger actuator for automatically firing bullets contained in a magazine of a firearm; a magazine release actuator for releasing an empty magazine from the firearm; a magazine bank for storing a bullet magazine inside the firearm; and a magazine loading actuator for loading a new magazine inside the firearm from the magazine bank. There is further provided a magazine bank apparatus for use with a firearm comprising a magazine bank base having a plurality of slots adapted to receive and store bullet magazines; and a magazine load actuator adapted to be automatically triggered for loading a bullet magazine among the stored bullet magazines inside the firearm.

Abstract: The moving distance of a cartridge which is actuated each time a trigger is pulled once can be increased. A toy gun includes: a trigger; a cartridge in which cartridge bullet loading portions loaded with bullets are continuously provided and which is installed ahead of the trigger; a link mechanism (including a trigger rear end portion, a link A, a link B, a rod, and an arm) which is once extended from behind the trigger to the side opposite the cartridge installation position and thereafter inverted and whose tip is extended to ahead of the trigger; and a nail which is actuated through the link mechanism in conjunction with the actuation of the trigger and moves the cartridge.

Abstract: There is provided an automatic firing apparatus, and a method for operating the automatic firing apparatus, the apparatus comprising a trigger actuator for automatically firing bullets contained in a magazine of a firearm; a magazine release actuator for releasing an empty magazine from the firearm; a magazine bank for storing a bullet magazine inside the firearm; and a magazine loading actuator for loading a new magazine inside the firearm from the magazine bank. There is further provided a magazine bank apparatus for use with a firearm comprising a magazine bank base having a plurality of slots adapted to receive and store bullet magazines; and a magazine load actuator adapted to be automatically triggered for loading a bullet magazine among the stored bullet magazines inside the firearm.

Abstract: There is provided an automatic firing apparatus, and a method for operating the automatic firing apparatus, the apparatus comprising a trigger actuator for automatically firing bullets contained in a magazine of a firearm; a magazine release actuator for releasing an empty magazine from the firearm; a magazine bank for storing a bullet magazine inside the firearm; and a magazine loading actuator for loading a new magazine inside the firearm from the magazine bank. There is further provided a magazine bank apparatus for use with a firearm comprising a magazine bank base having a plurality of slots adapted to receive and store bullet magazines; and a magazine load actuator adapted to be automatically triggered for loading a bullet magazine among the stored bullet magazines inside the firearm.

Abstract: A metal tube provides a bearing for a bolt carrier in a rifle. The tube is machined to provide openings and co-molded with a polymer outer shroud to form a lightweight composite upper receiver. The tube has an inner surface that supports the bolt carrier in its reciprocal motion during cycling of the rifle action during firing. The length and diameter of the tube are designed to prevent tilt of the bolt carrier during operation.

Abstract: A metal tube provides a bearing for a bolt carrier in a rifle. The tube is machined to provide openings and co-molded with a polymer outer shroud to form a lightweight composite upper receiver. The tube has an inner surface that supports the bolt carrier in its reciprocal motion during cycling of the rifle action during firing. The length and diameter of the tube are designed to prevent tilt of the bolt carrier during operation.

Abstract: A system for mounting a plurality of tactical attachments to firearms is disclosed. Tactical attachments such as laser illumination sights, flashlights, bayonets, and breaching tools are interchangeable and attached with a single adapter mounted to the end of a magazine ammunition tubes and auxiliary accessory rails such as Picatinny rails. Adapters of varying lengths provide increased ammunition capacity. The tactical attachments have a common mounting structure for mating to the adapter, which includes a optional locking ring to assure the tactical device cannot become dislodged from the adapter during firearm usage. The adapter/tactical device interface allows rapid swapping of tactical devices without the need of tools. Tactical attachment lighting devices such as flashlights and laser sights are provided with wireless remote turn on/off and lighting mode switching capability.

Abstract: The invention is an apparatus that facilitates repeatedly aligning and loading a magazine into a magazine-well of a firearm, where the firearm is a barreled weapon, including replicas, novelty firearms, mock firearms, gaming firearms such as paint ball guns, computerized guns, toys guns, pressurized gas propelled guns, and virtual guns that are digital representation. The apparatus includes multi-magazine manifold which can hold a plurality of magazines (clips), where the multi-magazine manifold is mounted to one or more vertical slides that automatically align a magazine with the magazine well. Ejection and reloading is faster and easier, and can be done without visually disengaging from a target because alignment is substantially established by the apparatus. The apparatus is rugged and simple to use, and can be fitted to wide variety of firearms.

Abstract: A mount is taught which incorporates a Picatinny rail and a handguard interface. The mount has an offset L-shape which includes an integral Picatinny rail portion for accessory mounting and an integral threaded handguard adapter portion that attaches to an existing firearm handguard. The mount has a body with the handguard adapter portion protruding outwardly on a front side, a body vertical leg and the Picatinny rail formed integrally on the bottom of a body horizontal leg. The handguard adapter has a hollow inside diameter adapted to conform to a handguard interface surface and a lockring is provided for manual adjustment of the handguard. A second embodiment omits the legs and incorporates an offset shape.

Abstract: Implementations of the present disclosure relate to apparatuses, systems, and methods for constructing, installing, and using a compression follower in a tubular firearm magazine. In particular, the compression follower resides inside a shotgun magazine and replaces the standard follower. The compression follower has a compressible tail, thereby providing the capacity of a standard follower and increased reliability by aligning the follower and a magazine spring.

Abstract: A shotgun may comprise a barrel, a chamber configured to receive a shell prior to being fired from the shotgun, and a magazine tube configured to hold shells to be introduced into the chamber. The shotgun may further comprise a shell follower configured for insertion into the magazine tube axially forward of the shells with respect to the long axis of the magazine tube. In addition, the shotgun may further comprise an obstruction associated with the magazine tube that is adjustable between a first position in which the obstruction blocks a travel of the shell follower axially forward of the obstruction, and a second position in which the obstruction allows the travel of the shell follower axially forward of the obstruction. The shell loading capacity of the shotgun may be lower when the obstruction is in the first position than when the obstruction is in the second position.

Abstract: An ambidextrously operated bolt catch assembly for a firearm facilitates ease of use by either right handed or left handed shooters. The ambidextrous bolt catch assembly includes two levers, one on each side of the firearm, that interact with each other. Each lever has a primary contact surface and a secondary contact surface. By depressing the primary contact surface of either lever, both levers rotate to move the bolt catch assembly from a displaced position to a static position. Conversely, by depressing the secondary contact surface of either lever, both levers rotate to move the bolt catch assembly from a static position to a displaced position.

Abstract: The present invention relates to systems and methods for reliably limiting the cartridge loading capacity of firearm magazines. In one embodiment, a magazine capacity limiting assembly includes a limiter body and a limiter base. The magazine capacity limiter body reliably operates with a cartridge follower of a firearm magazine. The limiter body is installed substantially within coils of the magazine's spring, thereby limiting the travel of the follower within the magazine body to limit the magazine's cartridge capacity. The limiter base is coupled to both the limiter body and the magazine's floor plate.

Abstract: A shotgun may comprise a barrel, a chamber configured to receive a shell prior to being fired from the shotgun, and a magazine tube configured to hold shells to be introduced into the chamber. The shotgun may further comprise a shell follower configured for insertion into the magazine tube axially forward of the shells with respect to the long axis of the magazine tube. In addition, the shotgun may further comprise an obstruction associated with the magazine tube that is adjustable between a first position in which the obstruction blocks a travel of the shell follower axially forward of the obstruction, and a second position in which the obstruction allows the travel of the shell follower axially forward of the obstruction. The shell loading capacity of the shotgun may be lower when the obstruction is in the first position than when the obstruction is in the second position.

Abstract: A fixed magazine for a rifle has a projecting boss that engages a cavity within the magazine well of the rifle. Once the magazine is inserted and the boss engages the cavity, the magazine is fixed and may not be removed from the rifle. The magazine is loaded by separating the upper receiver from the lower receiver and exposing the magazine opening, allowing it to receive rounds of ammunition.

Abstract: The present invention relates to systems and methods for reliably limiting the cartridge loading capacity of firearm magazines. In one embodiment, a magazine capacity limiting assembly includes a limiter body and a limiter base. The magazine capacity limiter body reliably operates with a cartridge follower of a firearm magazine. The limiter body is installed substantially within coils of the magazine's spring, thereby limiting the travel of the follower within the magazine body to limit the magazine's cartridge capacity. The limiter base is coupled to both the limiter body and the magazine's floor plate.

Abstract: An automatic or semi-automatic magazine reloading firearm is described that includes a magazine track that stores one or more reserve magazines. After ejecting an active magazine from the active magazine well, a reload arrangement can be activated to move a reserve magazine from the magazine track into the active magazine well and lock it into place to allow for continued firing, increased safety, and positive user control.

Abstract: A magazine comprises: a shell, having an inner space in a shape of cylinder, wherein said shell has an opening, and bullets enters into or gets out of said magazine via said opening; a bullet limiting column, provided in said inner space, and coaxial with said inner space, wherein a bullet space is defined between said bullet limiting column and an inner wall of said shell; a bullet guide rail, winding around said bullet limiting column spirally, wherein a motion trail for said bullets to move along is defined; and a main spring, provided in said motion trail, wherein a first end of said main spring extends to said opening, when said bullets are put in said magazine, said bullets compress said main spring to said second end of said inner space, when said bullets are needed, said main spring pushes said bullets out of said magazine.

Abstract: A toy launcher apparatus with a rotatable clip connector mounted to a lower portion of a housing. The housing also includes an upper portion, a barrel portion and a grip portion. Pivotally mounted to the upper portion of the housing is a handle and mounted to the grip portion is a trigger and a switch. Attached to the clip connector may be eight projectile clips and the clip connector is rotatable 45° every time the handle is pivoted forward. Mounted within the housing are a battery compartment, and a wheel and motor assembly. Batteries in the battery compartment may power the wheel and motor assembly after the switch is activated by a user. Pulling the trigger causes a projectile, such as a foam dart, to be pushed from a clip aligned with the barrel portion toward spinning wheels of the wheel and motor assembly, and the wheels cause discharge the dart.

Abstract: A toy launcher apparatus with a rotatable clip connector mounted to a lower portion of a housing. The housing also includes an upper portion, a barrel portion and a grip portion. Pivotally mounted to the upper portion of the housing is a handle and mounted to the grip portion is a trigger and a switch. Attached to the clip connector may be eight projectile clips and the clip connector is rotatable 45° every time the handle is pivoted forward. Mounted within the housing are a battery compartment, and a wheel and motor assembly. Batteries in the battery compartment may power the wheel and motor assembly after the switch is activated by a user. Pulling the trigger causes a projectile, such as a foam dart, to be pushed from a clip aligned with the barrel portion toward spinning wheels of the wheel and motor assembly, and the wheels cause discharge the dart.

Abstract: This apparatus is a helical path paintball delivery system, comprising a structure with an internal helical type cavity that interfaces between a paintball marker with unique design characteristics preventing the use of alternative hoppers and any paintball hopper, regardless of manufacturer, providing a path for paintballs residing in a player's chosen hopper to flow freely from the hopper through the helical path paintball delivery connector into the firing chamber of the paintball marker.

Abstract: A system for mounting a plurality of tactical attachments to firearms having a magazine tube is disclosed. Tactical attachments or devices such as laser illumination sights, flashlights, magazine extension tubes, and breaching tools are interchangeable and attached with a single adapter mounted to the end of a magazine ammunition tube. Adapters of varying lengths provide increased ammunition capacity. The tactical devices have a common mounting structure for mating to the adapter, which includes a optional locking ring to assure the tactical device cannot become dislodged from the adapter during firearm usage. The adapter/tactical device interface allows rapid swapping of tactical devices without the need of tools.

Abstract: A system for mounting a plurality of tactical attachments to firearms having a magazine tube is disclosed. Tactical attachments or devices such as laser illumination sights, flashlights, magazine extension tubes, and breaching tools are interchangeable and attached with a single adapter mounted to the end of a magazine ammunition tube. Adapters of varying lengths provide increased ammunition capacity. The tactical devices have a common mounting structure for mating to the adapter, which includes a optional locking ring to assure the tactical device cannot become dislodged from the adapter during firearm usage. The adapter/tactical device interface allows rapid swapping of tactical devices without the need of tools.

Abstract: A system for mounting a plurality of tactical attachments to firearms is disclosed. Tactical attachments such as laser illumination sights, flashlights, bayonets, and breaching tools are interchangeable and attached with a single adapter mounted to the end of a magazine ammunition tubes and auxiliary accessory rails such as Picatinny rails. Adapters of varying lengths provide increased ammunition capacity. The tactical devices have a common mounting structure for mating to the adapter, which includes a optional locking ring to assure the tactical device cannot become dislodged from the adapter during firearm usage. The adapter/tactical device interface allows rapid swapping of tactical devices without the need of tools.

Abstract: A system for mounting a plurality of tactical attachments to firearms having a magazine tube is disclosed. Tactical attachments or devices such as laser illumination sights, flashlights, magazine extension tubes, and breaching tools are interchangeable and attached with a single adapter mounted to the end of a magazine ammunition tube. Adapters of varying lengths provide increased ammunition capacity. The tactical devices have a common mounting structure for mating to the adapter, which includes a locking ring to assure the tactical device cannot become dislodged from the adapter during firearm usage. The adapter/tactical device interface allows rapid swapping of tactical devices without the need of tools.

Abstract: A gun magazine includes an outer shell, an inner shell mounted in the outer shell and including a top opening, a track extended from the top opening, a guide block supported on a spring member in a rear end of the track and movable in and out of the top opening, a bottom cover affixed to the inner shell and the outer shell at a bottom side, and an adjustment member including a lever inserted through an elongated slot in the bottom block, a pivot holder located at a top end of the lever and pivotally connected to the inner shell and a guide rod extended from the top end of the lever and terminating in a retaining tip that is movable in and out of the track to stop or not to stop the guide block subject to operation of the lever between two positions, thereby adjusting the bullet storage capacity of the track.

Abstract: The present invention teaches about a separable magazine follower situated into a magazine body. The magazine follower includes a magazine follower body and exchangeable magazine follower plate. The upper surface of the plate tooth can engage a slide stop lever tooth after the last round is fired from the magazine, and moves a slide stop lever in position that holds a slide in the rear position. The magazine follower plate can be exchanged by the new one after being depleted. The magazine follower plate is not permanently secured to the magazine follower body, but it is nested into the magazine follower body and secured via a magazine spring. The magazine follower plate is formed from material of lower hardness than the material used for slide stop lever tooth in order to prevent its excessive wearing.

Abstract: A magazine for storing and feeding ammunition cartridges to a small arms weapon which comprises a casing, a floor plate, a follower, and a magazine spring inside the casing. The magazine spring may comprise a first end connected to the follower, a second end connected to the floor plate, and a plurality of coils. Each of the plurality of coils may include a first segment having a first radius, a second segment having a first length adjoining the first segment, a third segment having a second radius adjoining the second segment, the second radius being greater than the first radius, and a fourth segment having a second length adjoining the third segment, the second length being approximately equal to the first length.

Abstract: A double-magazine (“Dmag”) able to house projectile ammunition for a projectile launcher having a first ammunition channel, a second ammunition channel, and a flexible projectile control bar (“FPCB”) is disclosed. In one embodiment, the first ammunition channel contains a first set or column of projectiles and the second ammunition channel which is situated in parallel to the first ammunition channel is configured to house a second set of projectiles. Dmag also includes a follower with a follower lock capable of moving along the first ammunition channel. The follower is configured to push the first set of projectiles toward a first ammunition supply port of the first ammunition channel. The FPCB has a first flexible flap which keeps the first set of projectiles from reaching the loading port of the launcher until the follower lock is released.

Abstract: A magazine for an air gun is provided with first and second shells; an internal passage; a rotatable shaft including a lengthwise groove on a surface, and a transverse slot on the surface communicating with the groove; a pulley rotatably put on the shaft and having both ends rotatably secured to the first and second shells respectively; a ratchet mechanism mounted on the pulley; a pin inserted into the pulley to dispose in one end of the groove; a line having one end wound on the pulley, the line extending through the passage to have an other end engaged with a projectile support in the passage; a spring put on the line and biased between the pulley and the projectile support; and a spring biased knob disposed on an outer surface of the first shell and secured to the shaft.