Abstract: The present invention is an ammunition magazine, preferably made of a glass fiber reinforced polymer, utilizing a structurally enhancing ridge, angular guide rails and a follower made to interface with said guide rails to reduce wobble. The preferred embodiment also features a protective cover that distributes forces from the spring to more structurally sound areas of the magazine, thus reducing feed end splay, and an ammunition indication system comprised of at least one window and a noticeable marker on the follower spring. The follower and magazine casing are also designed to interface to prevent the follower from popping out of the feed end and the floor plate of the magazine utilizes a locking plate and sliding relationship between the floor plate, locking plate and magazine to secure the floor plate onto the magazine casing. The cover features built in tools for, among other things, unloading and disassembling the magazine.

Abstract: A magazine for introducing a plurality of ammunition cartridges into a firearm is disclosed. Particularly, a magazine may include a first rotor configured for rotating about a first center of rotation and a second rotor configured for rotating about a second center of rotation, wherein a position of the first rotor and a position of the second rotor are fixed with respect to one another. Further, operation of the first and second rotor may cause at least one ammunition cartridge of a plurality of ammunition cartridges that are movable by the first and second rotor to move along a serpentine path. Firearm systems including such a magazine are also disclosed. Another aspect of the present invention relates to a method of introducing an ammunition cartridge into a firearm. More specifically, an ammunition cartridge may be moved along a selected serpentine path prior to introducing the ammunition cartridge into a firearm.

Abstract: Magazine (1) for a firearm, in particular for a semiautomatic CO2 or compressed-air firearm, comprising a basic magazine body, a number of projectile supports (2) for the reception of projectiles (3) as well as a transport means for the projectile supports, whereas the transport means is designed for receiving the projectile supports (2) movably with respect to the basic magazine body, whereas the transport means is designed for moving the projectile supports (2) in a circuit, whereas the transport means has at least one endless transport belt (4), whereas the projectile supports (2) are connected to the transport belt (4).

Abstract: A firearm magazine includes a housing defining a cavity. A resilient member is disposed in the cavity. A cartridge support member is movably supported on the resilient member and configured for moving downwardly into the cavity against increasing tension of the resilient member when the magazine is being loaded. The resilient member when under tension urges the cartridge support member and cartridges thereon to move upwardly during a feeding operation. An adapter converts a firearm magazine from multiple cartridge capacity to single cartridge capacity, and is configured to be removably coupled to the upper housing to cover the cartridge support member of the housing. The adapter includes an additional cartridge support member. The housing and the adapter cooperate to prevent the additional cartridge support member of the adapter from being moved downwardly into the cavity.

Abstract: A lightweight and low cost semi-automatic rifle includes an upper receiver, a lower receiver, and a forend fabricated from injection-molded polymers. The rifle permits firing .22 LR or similar low-power ammunition from an AR-15 style frame, operates on the blowback principle, and provides a fully functional bolt catch and extractor/ejector/deflector.

Abstract: The present invention is a high capacity, non-drum magazine. The high capacity magazine comprises a broad general storage area capable of holding four staggered stacks of ammunition, a unified follower on a spring system biasing the follower and associated ammunition, a central partition a barrier separating two dual staggered round stacks and around which the follower will pass, and a transition area between the feed end of the magazine and the storage area. The spring may be a composite spring system, made of two springs joined in series, or a single, variable constant, spring.

Abstract: An arcuate magazine for a firearm, such as a rifle or carbine, which has a keyway and follower assembly for delivering rounds of ammunition one at a time to the firing area of the firearm and which may be fabricated from a single piece of metal and have a smooth interior free of welds and rough spots. The invention also includes a method of making such a magazine which includes the steps of deep drawing and wiping the magazine body under substantial pressure using a progressive die having numerous stations.

Abstract: Rod magazine for a firearm, having a channel for holding cartridges in a stack, and having a feed for feeding the stack to a channel end which is clasped by magazine lips, which hold the top cartridge in the stack back in the channel direction, but allow its movement approximately transversely with respect to the channel direction beyond the rod magazine, with the channel being equipped with guide strips, which run in the channel direction, for the shoulders of the cartridges, and with the guide strips projecting beyond the channel end and into the movement path, which is located in front of the magazine lips, of the top cartridge.

Abstract: A magazine support reinforcement for a machine gun having a receiver. A magazine support is attached to the underside of the receiver. The magazine support reinforcement is connected to the magazine support. The reinforcement includes a front support, a rear support and a fastener for fastening the front support to the rear support. The front and rear supports include bracing members having a generally concave side and a lug portion.

Abstract: The present invention is a self-leveling follower for an ammunition magazine. Side extensions provide greater stability to the follower and aid in its self-leveling feature. The follower according to the present invention is also manufactured to facilitate removal from and insertion into the magazine casing when maintaining the magazine. Additional features provide greater utility by improving bolt-stop capacity and consistency of ammunition feed.

Abstract: Firing device includes a firearm which includes a cartridge carrier in the loader in front of the entry of the barrel and supported against a supporting element of the casing which includes the firing mechanism and whereby the barrel slides in the casing into a position in which the barrel comes to a stop through the action of a return spring against the front part of the case of the cartridges and wherein each cartridge is provided with propulsion arrangement to project the case and the barrel forward.

Abstract: A multi-caliber ambidextrously controlled firearm that includes an adjustable ejection system to facilitate the ejection of spent cartridge casings from a firearm. The adjustable ejection system includes an ejection port defined by an aperture in the firearm and a deflector. The deflector is attached to the firearm to adjust the size of the ejection port and may be attached at one of at least two attachment positions of the firearm. The adjustable ejector system includes an ejector selectively attached to the firearm at one of at least two ejector attachment positions. The improved firearm also includes an ambidextrous magazine catch system for selectively retaining a magazine within a firearm. The magazine catch system includes a first button opposite a second button such that either button may be actuated by a user to release the magazine retained with the firearm.

Abstract: A magazine configured to receive a plurality of cartridges includes a front portion, a rear portion, and opposing lateral portions between the front portion and the rear portion, the opposing lateral portions including a neck portion, a shoulder portion adjacent the neck portion, and a base portion adjacent the shoulder portion, wherein the neck portion adjacent the shoulder portion has a width that is about 0.005 inches to about 0.04 inches greater than the nominal size of a neck portion of the cartridges.

Abstract: A protective carrier to hold a loaded spare magazine in a position of readiness for immediate insertion into operative engagement with a firearm. A latch release mechanism is operable wholly independent of the operation of the magazine release mechanism of the firearm, so that a spare magazine will remain in the protective carrier despite release of a magazine from the firearm. The spare magazine can be released from the carrier by pressing a latch release lever located for convenient use by either a left-handed or a right-handed rifleman.

Abstract: A firearm magazine with loading status indicator. the magazine comprising a housing (1) for storing bullets in a stacked configuration, with an opening (6) for receiving the bullets (5); a follower (3) for supporting the bullets within the housing, movable along the housing and resiliently pressing towards the opening, so that at any time, when there exist at least one bullet within the housing it is presented at the opening, ready to be discharged; an indicator having a prominence (7), which in one indication state the prominence protrudes outside the housing and in another indication state the prominence does not protrude outside the housing, wherein one of the indication states corresponds to a state where the magazine is in a full condition, that is when it is filled with bullets up to a maximal capacity, and another indication state corresponding to a state where at least one bullet is missing with respect to full condition.

Abstract: An improved magazine for use in existing firearms comprises a housing, a follower, a spring, a spring hold and a cap. The housing comprises protruded surfaces for structural strength and a projection that acts as a stop member to define the maximum insertion of the magazine into the firearm magazine well. The follower comprises two follower legs and a spring retainer, and travels up and down the housing. The perimeters of the follower and follower legs mirror the internal profile of the magazine housing for a well-defined travel path within the magazine housing. The spring hold comprises a spring retainer and a round protrusion that locks it into the cap via a circular cut. The cap comprises flanges that slide into the slots against the end stop at the bottom of the housing.

Abstract: Embodiments of the invention are directed to a magazine and follower assembly for use with a semi-automatic handgun. The assembly may include a magazine body configured to be received within a recess in a handgun. The magazine body has an open top end including a pair of magazine lips sized to retain cartridges within the magazine body. A follower is housed within the magazine body and is biased against the force of a compression spring. The follower has a resting face configured to accommodate the outside profile of a cartridge body and further includes a protrusion disposed along the resting face. The protrusion maintains contact between the magazine lips and an uppermost cartridge loaded within the magazine body.

Abstract: The present invention is a self-leveling follower for an ammunition magazine. Side extensions provide greater stability to the follower and aid in its self-leveling feature. The follower according to the present invention is also manufactured to facilitate removal from and insertion into the magazine casing when maintaining the magazine. Additional features provide greater utility by improving bolt-stop capacity and consistency of ammunition feed.

Abstract: An improved base pad for a firearm magazine that more securely attaches to the bottom of a magazine tube in a manner which is easier and faster to attach or remove therefrom when cleaning the magazine. The improved base pad has a body member with a pair of ends and a pair of sides. The sides each have a groove configured to slidably receive, preferably snugly, the lips at the bottom of a standard magazine tube. One end of the base pad has an outwardly extending section with an upwardly facing, generally planar face. A securing mechanism at the outwardly extending section has an upwardly disposed projection that selectively engages one wall of the magazine tube to secure the base pad thereto when in its engaged position and allows removal of the base pad when in a disengaged position. In a preferred embodiment, the securing mechanism is a detent device.

Abstract: A magazine aligner is positioned inside a pistol magazine loader for centering the open side of magazines of different widths and depths when mounted into the loader to be in line with a round-inserting plunger of the loader. The aligner comprises an inverted “V”-shaped element adapted to accept the open side of magazines from below and includes a spring for keeping tension on the magazine.

Abstract: A pistol accommodating rifle length cartridges in a pistol grip magazine by upwardly angling the cartridges in the magazine. The cartridges are successively chambered manually by exposing the topmost cartridge in the magazine in a feed slot, to allow the user to push that cartridge out of the slot, and the cartridge are guided into the exposed chamber of the barrel which has been pivoted out of the frame to a position to one side of the pistol frame ready to receive the cartridge.

Abstract: A magazine for a firearm includes an elongated containing body and a closure member adapted to hold cartridges. The closure member longitudinally slides on the containing body and is extendable to open a side of the containing body for cartridge loading. The closure member has opposing sidewalls forming an integral handle surface that can be grasped for moving it. A follower and spring bias cartridges toward one end of the magazine. A latching mechanism is provided for holding the follower in a disengaged position when the closure member is extended, and is configured to release when the closure member is closed. Preferably, the containing body and closure member are constructed to include integrally formed features that cooperate with an automatic latching mechanism, thus minimizing parts.

Abstract: Rod magazine for a firearm, having a channel for holding cartridges in a stack, and having a feed for feeding the stack to a channel end which is clasped by magazine lips, which hold the top cartridge in the stack back in the channel direction, but allow its movement approximately transversely with respect to the channel direction beyond the rod magazine, with the channel being equipped with guide strips, which run in the channel direction, for the shoulders of the cartridges, and with the guide strips projecting beyond the channel end and into the movement path, which is located in front of the magazine lips, of the top cartridge.

Abstract: A semi-automatic sporting rifle is created by the modification of a fully automatic assault rifle Sa vz. 58. The semi-automatic rifle is constructed partly from original parts of the Sa vz. 58 assault rifle, i.e. bolt carrier, locking piece, striker, return mechanism, barrel, trigger, interrupter and left hand side striker catch, partly from modified parts of Sa vz. 58 assault rifle, i.e. bolt, trigger mechanism feather and safety catch and partly from newly manufactured parts, i.e. semi-automatic receiver with a narrowed magazine well for a single stack removable magazine with extended bridge, safety catch with one more groove on its lower left hand side, new sporting stock where grip part and butt-stock part form one unit and barrel extension permanently attached to the muzzle. Some parts of the Sa vz. 58 assault rifle are removed completely, i.e. muzzle thread protector, bayonet lug, original receiver, original stock, pistol grip, release lever, trigger lever and right hand side striker catch.

Abstract: An improved base pad for a firearm magazine that more securely attaches to the bottom of a magazine tube in a manner which is easier and faster to attach or remove therefrom when cleaning the magazine. The improved base pad has a body member with a pair of ends and a pair of sides. The sides each have a groove configured to slidably receive, preferably snugly, the lips at the bottom of a standard magazine tube. One end of the base pad has an outwardly extending section with an upwardly facing, generally planar face. A securing mechanism at the outwardly extending section has an upwardly disposed projection that selectively engages one wall of the magazine tube to secure the base pad thereto when in its engaged position and allows removal of the base pad when in a disengaged position. In a preferred embodiment, the securing mechanism is a detent device.

Abstract: A quick-release magazine for use with firearms is provided, the magazine comprising a conventional firearm magazine and a spring, the spring comprising a center plate with two fins projecting outwardly from the plate. The spring is positioned between the floor plate and base pad of the magazine, with the center plate of the spring aligning with the magazine and the fins projecting outwardly from the plate. When the magazine of the present invention is inserted into a firearm, the fins are compressed between the magazine and the gun. The compressed fins provide a forceful ejection from the firearm when the magazine must be replaced.

Abstract: A quick-release magazine for use with firearms is provided, the magazine comprising a conventional firearm magazine and a spring, the spring comprising a center plate with two fins projecting outwardly from the plate. The spring is positioned between the floor plate and base pad of the magazine, with the center plate of the spring aligning with the magazine and the fins projecting outwardly from the plate. When the magazine of the present invention is inserted into a firearm, the fins are compressed between the magazine and the gun. The compressed fins provide a forceful ejection from the firearm when the magazine must be replaced.

Abstract: An improved magazine has crimped feed lips which feed rebated rim cartridges into a handgun or rifle without nose-diving. The magazine has a metal-reinforced follower which extends the operational life of the magazine.

Abstract: An ammunition clip is provided for supplying cartridges to a firearm. The ammunition clip includes an elongated housing having an internal chamber for holding a plurality of laterally aligned cartridges, said elongated housing having a loading end and an opposing end, a movable carriage disposed within the internal chamber for urging the aligned cartridges towards the loading end and a spring that urges the movable carriage towards the loading end, said spring being disposed completely outside the internal chamber, said spring being coupled on a first end to the elongated housing and on a second end to the movable carriage and being operatable in a direction of spring pressure that is parallel to a longitudinal axis of the longitudinal housing.

Abstract: Integral extensions to aid in the extraction of ammunition magazines from ammunition pouches are provided by permanently attaching a handle to existing or modified floor plates. In one embodiment, a substitute floor plate is molded with a handle projecting from its outer face. In a second embodiment, a handle with a grip and a terminal end is provided with an attachment structure on the terminal end. Floor plates are then either modified by cutting anchoring holes to allow for the attachment of such handles without hindering use in an ammunition magazine or molded with said anchoring holes.

Abstract: A preferred embodiment of a firearm cartridge clip is disclosed, in which the clip has an elongated housing extending from an open top end to an enclosed bottom end defining an elongated cartridge storage chamber. The clip has a cartridge support seat mounted in the chamber above a separate elevator element. A chamber compression spring is mounted in the chamber between a base at the bottom end and the elevator element to urge the elevator element upward. A separate movement-restraining means is associated with the cartridge support seat to resist downward movement of the seat from the opening at the top end. The clip has a loading facilitating means for selectively rendering the compression spring ineffective to urge the seat upward to thereby reduce the manual effort required to load the clip.

Abstract: A magazine sleeve attachable to a magazine and including a front strap, a back strap and side panels extending between the front and back straps, wherein the front and back straps and side panels are configured to substantially match an outer contour and/or texture of a grip of a given manufacturer's handgun.

Abstract: It has been discovered that ?-L-2?-deoxynucleosides are active against drug-resistant hepatitis B virus with mutations. A method for treating lamivudine resistant HBV (M552V) in a host is provided that includes administering a ?-L-2?-deoxynucleoside or its pharmaceutically acceptable salt, ester or prodrug. In addition, a method for preventing lamivudine resistant HBV (M552V) mutation from occurring in a naïve host is provided that includes administering a ?-L-2?-deoxynucleoside or its pharmaceutically acceptable salt, ester or prodrug. A method for preventing and/or suppressing the emergence of the HBV double mutant (L528M/M552V) in a host is also provided that includes administering a ?-L-2?-deoxynucleoside or its pharmaceutically acceptable salt, ester or prodrug.

Abstract: Integral extensions to aid in the extraction of ammunition magazines from ammunition pouches are provided by permanently attaching a handle to existing or modified floor plates. In one embodiment, a substitute floor plate is molded with a handle projecting from its outer face. In a second embodiment, a handle with a grip and a terminal end is provided with an attachment structure on the terminal end. Floor plates are then either modified by cutting anchoring holes to allow for the attachment of such handles without hindering use in an ammunition magazine or molded with said anchoring holes.

Abstract: A two-piece snap-on magazine adapter for a handgun. This magazine adapter provides a relatively continuous surface between the handgun and locked extended length magazine to afford the handgun user with a comfortable grip among other benefits. In the preferred embodiment, the magazine adapter has two snap together pieces: a main body and an end cap. The main body has an interior pocket configuration contoured to capture the magazine floor plate. The main body of the device is then captured by an end cap that locks via a detent mechanism onto the main adapter body. The magazine adapter fits completely around the magazine such that when the magazine is locked into the handgun, the resulting grip provides a smooth, continuous and comfortable fit between the extended length magazine's floor plate and the butt of the handgun's grip.

Abstract: A firearm having a slide includes a magazine for accommodating a round of ammunition and a magazine follower disposed within the magazine. The magazine follower supports the round of ammunition and includes an outwardly extending protruding lip having a distal end which extends beyond a plane defined by an outer wall of the magazine.

Abstract: A cartridge magazine system comprises a case. The case has a hollow generally rectilinear configuration with two side faces and a front face and a flat rear face with the case having a base end with a base plate and an open upper end thereby forming an interior recess. A spring has an upper end and a lower end positioned on the base plate. A follower is positioned within the recess upon the spring with a central section having a front and a rear. Lastly, a dimple in a generally hemispherical configuration extends upwardly from the central section and is located to thereby fit into the annular recess of a bullet there above.

Abstract: The invention relates to a device for feeding cartridges (15) from magazines to small arms, in particular to rifles with a cartridge feed device (3-7, 25-29), which transports the cartridges from a tubular magazine (11) to the barrel (1) by means of a device, in particular a rocker/spoon (3, 25-29). Said device comprises a breech, which receives the cartridges from the cartridge feed device, slides them into the barrel and closes the latter. The rocker/spoon of the cartridge feed device can be removed from the intermediate chamber between the tubular magazine and the lock (13) and an interchangeable cartridge magazine (16) can be inserted in the empty intermediate chamber (21). In a first embodiment, the rocker (3) can be displaced from a front position into a rear position. In a second embodiment, the rocker (3) can be pivoted from an upper, approximately horizontal position into a lower, approximately perpendicular position.

Abstract: Integral extensions to aid in the extraction of ammunition magazines from ammunition pouches are provided in three embodiments. In this embodiment, the sides of an ammunition magazine are extended, either by molding or affixing a handle directly to the sides of the magazine, to provide a handle. This embodiment provides a more steam-lined handle adapted for use specifically in the extraction of magazines from ammunition pouches and other storage means.

Abstract: Device for handling, transporting and storing capillaries, method for the production thereof and individual capillary dispenser therefrom.

Abstract: Integral extensions to aid in the extraction of ammunition magazines from ammunition pouches are provided in three embodiments. In this embodiment, the sides of an ammunition magazine are extended, either by molding or affixing a handle directly to the sides of the magazine, to provide a handle. This embodiment provides a more steam-lined handle adapted for use specifically in the extraction of magazines from ammunition pouches and other storage means.

Abstract: Integral extensions to aid in the extraction of ammunition magazines from ammunition pouches are provided in three embodiments. In this embodiment, the sides of an ammunition magazine are extended, either by molding or affixing a handle directly to the sides of the magazine, to provide a handle. This embodiment provides a more steam-lined handle adapted for use specifically in the extraction of magazines from ammunition pouches and other storage means.

Abstract: A magazine clip exterior housing system that facilitates belt attachment of the ammunition magazine clips utilized by a variety of automatic and semi-automatic weapon systems. The housing can be removably or permanently attached over the lower half of the exterior surface of a magazine clip, and the enclosed clip can be used in the weapon system without the need to remove the housing. The housing system includes a belt clip on one side and a series of raised ribs on the other side to provide for secure clip handling. In the removably attached embodiment a groove in the interior surface guides the magazine clip into position within the apparatus. The housing is made of resilient, lightweight plastic which provides an appropriate coefficient of friction between the housing system and the user's hands, as well as an appropriate degree of durability/longevity. The device is simple, scalable, and economically manufactured.

Abstract: Integral extensions to aid in the extraction of ammunition magazines from ammunition pouches are provided in three embodiments. In this embodiment, the sides of an ammunition magazine are extended, either by molding or affixing a handle directly to the sides of the magazine, to provide a handle. This embodiment provides a more steam-lined handle adapted for use specifically in the extraction of magazines from ammunition pouches and other storage means.

Abstract: The modified magazine bottom (32 is provided with the two lateral cheeks (33′ or 33″) and the prisms (34′ or 34″) which provide for a slide fit in combination with lateral grooves existing on a pistol stock. The magazine with the magazine bottom (32) can thereby be fastened to the pistol stock and used as a support grip. The latch (32f) acts as a spring catch in combination with the transverse groove at the bottom of the pistol stock.

Abstract: Detachable ammunition magazines for firearms, particularly conversions of M16/M4 series rifles to utilize AK47 magazines, are provided with improved bolt catch actuators. These new bolt catch actuators have an elliptical opening though the upper end of the proximal wall that extends into the rectangular cross-section passage within the firearm magazine. A wire spring defined by an upper free-end and a lower fixed-end is cantilevered by its fixed-end to the right side plate of the magazine follower for movement with the follower in a manner that enables the free-end of such wire spring to project through the opening when the follower reaches its apogee. As the wire's free-end passes through the opening it engages the bolt catch of the firearm causing the bolt to be retained in its open position after all the ammunition in the magazine has been fired.

Abstract: This invention concerns an end plate (11) for an ammunition chamber (12) to be inserted into the handle of a pistol (13) from below. At the front, it consists of an extendable element (17) which moves between a retracted rest position, co-planar with and in line with the end plate, and an extended downwards position, in order to increase temporarily and deliberately the gripping surface area of the handle, at least in a front part of the latter.

Abstract: A cartridge magazine system comprises a case. The case is fabricated of a heat treated metal and is of a hollow generally rectilinear configuration. The case has two side faces, a front face and a flat rear face. The case has a base end with a base plate and an open upper end thereby forming an interior recess. A spring is provided having upper and lower ends positioned on the base plate. Further provided is a follower. The follower is positioned within the recess upon the spring. A central section is provided. The central section has a downwardly extending front and rear legs. The lower end of the rear leg has a 180 degree bend with an upwardly extending portion terminating in an inwardly extending portion overlying the central portion. A supplemental bend is provided between the upwardly extending portion and the inwardly extending portion.

Abstract: Extension for an automatic pistol magazine, comprising a substantially parallelepiped box of moldable material, defined by a front wall and by lateral walls, open on the upper face thereof, wherein the lateral walls are provided with inner slide channels, one on each side and made near the upper edges, whereas the rear open portion is properly closed by a secondary body sliding downward on external rails of the rear edge of the walls in a male-female fitting, with inner channels made near the front face edges of the secondary body, locked by an elastic tongue, the tongue having a teeth that penetrates under the bottom edge of the magazine's metallic body and the front wall of extension having an anatomical shape for a better hand grasp of the pistol, lodging the little finger on the anatomical recess thereof.

Abstract: Integral extensions to aid in the extraction of ammunition magazines from ammunition pouches are provided by permanently attaching a handle to existing or modified floor plates. In one embodiment, a substitute floor plate is molded with a handle projecting from its outer face. In a second embodiment, a handle with a grip and a terminal end is provided with an attachment structure on the terminal end. Floor plates are then either modified by cutting anchoring holes to allow for the attachment of such handles without hindering use in an ammunition magazine or molded with said anchoring holes.