Devices and methods for forming and assembling a bullet in a multi-stage press. In some embodiments, a forward component is radially oversized and forces a jacket outward during a press-fitting stage. In embodiments, the bullet workpiece does not turn over between any stages. In embodiments, one or more stages provide a reduced-diameter stem along with a radial ledge in the die to support the bullet while minimizing potential disturbances to a boat tail region from a punch.
In various embodiments, a projectile includes a projectile body including a tail portion, a nose portion, a barrel engaging portion between the nose portion and the tail portion, and a metal jacket that defines an exterior of the projectile that surrounds an interior solid core. In one or more embodiments the projectile includes one or more circumferential grooves defined in the interior core portion, each of the one or more circumferential grooves covered by and positioned adjacent to the metal jacket and within the barrel-engaging portion. In various embodiments, during firing of the projectile, the one or more circumferential grooves define a void that allows material of one or more of the metal jacket and interior solid core to displace into the void for reduction in radial stiffness to the projectile in the barrel engaging portion.
F42B 12/74 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material of the core or solid body
A cartridge that generates higher than typical chamber pressures has an enhanced means of primer retention for retaining the primer in the primer recess of the casing. The means may be a lip folded onto a conical surface, a annular groove to receive deformed primer wall portion material upon detonation, a concavity in the rearward facing wall of the primer, a check valve in the flash tube to inhibit propellant gases from reaching the primer recess, or specifically configured primers with a greater length than diameter and with greater wall thicknesses.
Muzzleloader systems including a pre-packaged propellant charge with a primer and receptacle. The muzzleloader system may include a propellant containment vessel separate from the primer and the projectile and that doesn't contact with the projectile until assembly. The muzzleloader may be rear loading, with a constriction portion forward of the breech chamber. The propellant containment vessel may include a body portion having a forward opening, with a propellant charge disposed therein and a cap portion that is crimp rolled within the mouth of the vessel to seal the forward opening. The closed end of the propellant containment vessel may define a primer receptacle configured to receive the primer. The receptacle may define a depth that is less than the primer height so that, when inserted into the receptacle, the primer extends rearwardly beyond the containment vessel. The muzzleloader system may be configured to fire only specifically configured propellant containment vessels.
Devices and methods for reducing tension force on a projectile by a neck of a cartridge case. A two-stage neck has a clearance band and an interference band, the clearance band providing a reduced retention force on the projectile relative to the interference band.
advertising and marketing; advertising, marketing and promotion services; providing on-line consumer and business information in the field of ammunition; advertising and marketing services provided by means of indirect methods of marketing communications, namely, social media, search engine marketing, inquiry marketing, internet marketing, mobile marketing, blogging and other forms of passive, shareable or viral communications channels
advertising and marketing; advertising, marketing and promotion services; providing on-line consumer and business information in the field of ammunition; advertising and marketing services provided by means of indirect methods of marketing communications, namely, social media, search engine marketing, inquiry marketing, internet marketing, mobile marketing, blogging and other forms of passive, shareable or viral communications channels
Devices and methods for an 8 mm or .32 caliber semiautomatic handgun cartridge providing a reduced form factor for carrying a greater number of rounds in a smaller space while maintaining ballistic performance.
Online retail sales services; on-line retail store services
featuring ammunition; advertising services; marketing
services; advertising, marketing and promotion services;
providing on-line consumer and business information in the
field of ammunition; advertising and marketing services
provided by means of indirect methods of marketing
communications, namely, social media, search engine
marketing, inquiry marketing, internet marketing, mobile
marketing, blogging and other forms of passive, shareable or
viral communications channels.
(1) Online retail sales services; on-line retail store services featuring ammunition; advertising services; marketing services; advertising, marketing and promotion services; providing on-line consumer and business information in the field of ammunition; advertising and marketing services provided by means of indirect methods of marketing communications, namely, social media, search engine marketing, inquiry marketing, internet marketing, mobile marketing, blogging and other forms of passive, shareable or viral communications channels.
Online retail sales services; on-line retail store services featuring ammunition; advertising services; marketing services; advertising, marketing and promotion services; providing on-line consumer and business information in the field of ammunition; advertising and marketing services provided by means of indirect methods of marketing communications, namely, social media, search engine marketing, inquiry marketing, internet marketing, mobile marketing, blogging and other forms of passive, shareable or viral communications channels
Online retail sales services; on-line retail store services featuring ammunition; advertising and marketing; advertising, marketing and promotion services; providing on-line consumer and business information in the field of ammunition; advertising and marketing services provided by means of indirect methods of marketing communications, namely, social media, search engine marketing, inquiry marketing, internet marketing, mobile marketing, blogging and other forms of passive, shareable or viral communications channels
Devices and methods for shotshell cartridges, particularly shotshell cartridges with biodegradable components. One or more of the casing, shot wad, spacer, and powder wad may be formed of biodegradable materials. A biodegradable shot wad is manufactured of cellulosic fibers and wax to provide obturation and gas seal properties at high pressures with high reliability.
Shot projectiles are disclosed that are not completely spherical. The shot has an equatorial ring, top and bottom poles, and one or more sections extending between the ring and the respective poles. The ring defines a vertical height relative to an overall diameter of the projectile. The one or more sections provide flat, concave, or convex surfaces.
Devices and methods for shotshell cartridges, particularly shotshell cartridges with biodegradable components. One or more of the casing, shot wad, spacer, and powder wad may be formed of biodegradable materials. A biodegradable shot wad is manufactured of cellulosic fibers and wax to provide obturation and gas seal properties at high pressures with high reliability.
Devices and methods for a bullet with a strengthened mouth for improved penetration and expansion. In embodiments, a portion of the jacket is folded to provide double walls at the mouth. In embodiments, the jacket and core are partially bonded and partially separated. The core comprises a forward portion defining a cavity forming a hollow point of the bullet. The jacket comprising: a rearward cup portion, an ogive portion, an end portion, and a plurality of skives. The ogive portion is forward of the rearward cup portion. The end portion is directly adjacent the tip portion of the core, the end portion of the jacket curling radially inwardly toward the central axis. The plurality of skives are formed in the ogive portion of the jacket.
F42B 12/78 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material of the casing of jackets for smallarm bullets
B21K 21/10 - Shaping hollow articles with different cross-section in longitudinal direction, e.g. nozzles, spark-plugs cone-shaped or bell-shaped articles, e.g. insulator caps
F42B 12/02 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect
B21K 21/06 - Shaping thick-walled hollow articles, e.g. projectiles
F42B 10/32 - Range-reducing or range-increasing arrangements; Fall-retarding means
Devices and methods for a bullet with a strengthened mouth for improved penetration and expansion. In embodiments, a portion of the jacket is folded to provide double walls at the mouth. In embodiments, the jacket and core are partially bonded and partially separated.
F42B 12/78 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material of the casing of jackets for smallarm bullets
F42B 33/00 - Manufacture of ammunition; Dismantling of ammunition; Apparatus therefor
Devices and methods for shotshell cartridges, particularly shotshell cartridges with biodegradable components. One or more of the casing, shot wad, spacer, and powder wad may be formed of biodegradable materials. A biodegradable shot wad is manufactured of cellulosic fibers and wax to provide obturation and gas seal properties at high pressures with high reliability.
A rimless cartridge comprising a case and a bullet mounted therein. In embodiments, the bullet comprises a jacket having a cylindrical body portion, an ogive portion, and a plurality of longitudinally extending paths of weakness formed in the ogive portion and defining petals there between and extending rearward from the mouth. The bullet includes a malleable core mounted within the jacket. The bullet further comprises a circumferential groove between forward and rearward circumferential indentations imparted in the body portion of the jacket.
F42B 12/02 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect
F42B 12/78 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material of the casing of jackets for smallarm bullets
Devices and methods for an 8 mm semiautomatic handgun cartridge providing a reduced form factor for carrying a greater number of rounds in a smaller space while maintaining ballistic performance.
Aspects of the disclosure are directed to manufacturing an insert-molded expanding projectile. Aspects of the disclosure include locating a portion of a projectile body within a converging tip mold, the projectile body including a metal jacket extending from a tail portion to a nose portion and surrounding an interior solid core. The metal jacket and nose portion may be tapered in a forward direction to an annular forward edge defining an opening to an undercut interior cavity. Melted polymer may be injected into the converging tip mold and allowed to cool thereby forming a polymer tip having a main portion forward of the opening and a tip retention portion filling the undercut interior cavity and having a shape corresponding to the undercut interior cavity to retain the polymer tip in place.
F42B 12/78 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material of the casing of jackets for smallarm bullets
F42B 12/74 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material of the core or solid body
F42B 33/00 - Manufacture of ammunition; Dismantling of ammunition; Apparatus therefor
In various embodiments, a projectile includes a projectile body including a tail portion, a nose portion, a barrel engaging portion between the nose portion and the tail portion, and a metal jacket that defines an exterior of the projectile that surrounds an interior solid core. In one or more embodiments the projectile includes one or more circumferential grooves defined in the interior core portion, each of the one or more circumferential grooves covered by and positioned adjacent to the metal jacket and within the barrel-engaging portion. In various embodiments, during firing of the projectile, the one or more circumferential grooves define a void that allows material of one or more of the metal jacket and interior solid core to displace into the void for reduction in radial stiffness to the projectile in the barrel engaging portion.
F42B 12/74 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material of the core or solid body
43.
Cartridge with improved penetration and expansion bullet
A cartridge with a bullet has desirable penetration capabilities and controlled separation of components upon terminal impact. In embodiments of the invention, the bullet comprises a forward component, a lead core, and a copper jacket. The bullet having a forward nose portion with a plurality of cutaways spaced circumferentially about the nose portion. The copper jacket having a leading edge portion positioned at the cutaways.
F42B 12/08 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of armour-piercing type with armoured cupola
F42B 12/78 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material of the casing of jackets for smallarm bullets
F42B 33/00 - Manufacture of ammunition; Dismantling of ammunition; Apparatus therefor
F42B 5/02 - Cartridges, i.e. cases with propellant charge and missile
F42B 12/34 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect expanding before or on impact, i.e. of dumdum or mushroom type
F42B 12/74 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material of the core or solid body
Shot projectiles are disclosed that are not completely spherical. The shot has an equatorial ring, top and bottom poles, and one or more sections extending between the ring and the respective poles. The ring defines a vertical height relative to an overall diameter of the projectile. The one or more sections provide flat, concave, or convex surfaces.
Shot projectiles are disclosed that are not completely spherical. The shot has an equatorial ring, top and bottom poles, and one or more sections extending between the ring and the respective poles. The ring defines a vertical height relative to an overall diameter of the projectile. The one or more sections provide flat, concave, or convex surfaces.
Devices and methods for chambering and releasing a high pressure cartridge case from a firearm. In some embodiments, a static chamber insert of high elastic modulus is disclosed. In some embodiments, a dynamic or adaptable chamber insert that radially expands in an out-of-battery configuration and radially contracts in a battery configuration is disclosed.
In various embodiments, a projectile includes a projectile body including a tail portion, a nose portion, a barrel engaging portion between the nose portion and the tail portion, and a metal jacket that defines an exterior of the projectile that surrounds an interior solid core. In one or more embodiments the projectile includes one or more circumferential grooves defined in the interior core portion, each of the one or more circumferential grooves covered by and positioned adjacent to the metal jacket and within the barrel-engaging portion. In various embodiments, during firing of the projectile, the one or more circumferential grooves define a void that allows material of one or more of the metal jacket and interior solid core to displace into the void for reduction in radial stiffness to the projectile in the barrel engaging portion.
F42B 12/74 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material of the core or solid body
Bismuth-based firearm projectiles, optionally firearm cartridges containing the same, and methods for forming bismuth-tin-copper alloys or bismuth-nickel alloys and bismuth-based firearm projectiles are disclosed herein. The bismuth-based firearm projectiles include a projectile body comprising a bismuth-tin-copper alloy or bismuth-nickel alloy that forms at least 90 wt % of the projectile body.
F42B 12/74 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material of the core or solid body
F42B 12/78 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material of the casing of jackets for smallarm bullets
Muzzleloader systems including a pre-packaged propellant charge with a primer and receptacle. The muzzleloader system may include a propellant containment vessel separate from the primer and the projectile and that doesn't contact with the projectile until assembly. The muzzleloader may be rear loading, with a constriction portion forward of the breech chamber. The propellant containment vessel may include a body portion having a forward opening, with a propellant charge disposed therein and a cap portion that is crimp rolled within the mouth of the vessel to seal the forward opening. The closed end of the propellant containment vessel may define a primer receptacle configured to receive the primer. The receptacle may define a depth that is less than the primer height so that, when inserted into the receptacle, the primer extends rearwardly beyond the containment vessel. The muzzleloader system may be configured to fire only specifically configured propellant containment vessels.
A rimless cartridge comprising a case and a bullet mounted therein. In embodiments, the bullet comprises a jacket having a cylindrical body portion, an ogive portion, and a plurality of longitudinally extending paths of weakness formed in the ogive portion and defining petals there between and extending rearward from the mouth. The bullet includes a malleable core mounted within the jacket. The bullet further comprises a circumferential groove between forward and rearward circumferential indentations imparted in the body portion of the jacket.
F42B 12/02 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect
F42B 12/78 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material of the casing of jackets for smallarm bullets
Muzzleloader systems include a pre-packaged propellant charge and primer for providing efficient loading and unloading of the muzzleloader. The muzzleloader accepts in the breech end the propellant containment vessel that abuts against a constriction portion with a reduced diameter portion. The propellant containment vessel having an end portion with a tapered surface that conforms to the constriction portion surface. A projectile is inserted in the muzzle end and seats against the constriction portion. The propellant containment vessel may be received in a removable breech plug. The constriction portion may be part of the breech plug or a separate component secured in the barrel by way of the breech plug. The containment vessel further comprises a primer mechanism that may be integrated into the proximal end of the containment vessel.
F42B 12/76 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material of the casing
F42B 8/04 - Blank cartridges, i.e. primed cartridges without projectile but containing an explosive or combustible powder charge
F42B 5/38 - Separately-loaded propellant charges, e.g. cartridge bags
F42B 14/06 - Sub-calibre projectiles having sabots; Sabots therefor
F41A 9/37 - Feeding two or more kinds of ammunition to the same gun; Feeding from two sides
F41A 3/58 - Breakdown breech mechanisms, e.g. for shotguns
F42B 12/74 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material of the core or solid body
57.
Cartridge with improved penetration and expansion bullet
A cartridge with a bullet has desirable penetration capabilities and controlled separation of components upon terminal impact. In embodiments of the invention, the bullet comprises a forward component, a lead core, and a copper jacket. The bullet having a forward nose portion with a plurality of cutaways spaced circumferentially about the nose portion. The copper jacket having a leading edge portion positioned at the cutaways.
F42B 12/08 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of armour-piercing type with armoured cupola
F42B 12/78 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material of the casing of jackets for smallarm bullets
F42B 33/00 - Manufacture of ammunition; Dismantling of ammunition; Apparatus therefor
F42B 5/02 - Cartridges, i.e. cases with propellant charge and missile
F42B 12/34 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect expanding before or on impact, i.e. of dumdum or mushroom type
F42B 12/74 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material of the core or solid body
A system for firing reduced energy cartridges from a modern sporting rifle utilizes a bolt assembly weighing less than a conventional bolt assembly for such rifles and utilizes blow back for cycling the bolt assembly rather than gas operation. A bolt insert in a polymer bolt carrier of the bolt assembly has a projection that fits within a recess on the rear face of reduced energy cartridges. The reduced energy cartridges having a polymer casing, a rimfire power load for propellant, the power load recessed from the rear face of the casing. Tuning the bolt may comprise adjusting the weight of the bolt or the sliding resistance of the bolt assembly in the upper receiver. The bolt may be formed by metal injection molding with a polymer bolt carrier attached thereto.
Bismuth-based firearm projectiles, optionally firearm cartridges containing the same, and methods for forming bismuth-tin-copper alloys or bismuth-nickel alloys and bismuth-based firearm projectiles are disclosed herein. The bismuth-based firearm projectiles include a projectile body comprising a bismuth-tin-copper alloy or bismuth-nickel alloy that forms at least 90 wt% of the projectile body.
F42B 5/02 - Cartridges, i.e. cases with propellant charge and missile
F42B 12/74 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material of the core or solid body
F42B 12/78 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material of the casing of jackets for smallarm bullets
60.
BISMUTH-BASED FIREARM PROJECTILES, FIREARM CARTRIDGES INCLUDING THE SAME, AND RELATED METHODS
Bismuth-based firearm projectiles, optionally firearm cartridges containing the same, and methods for forming bismuth-tin-copper alloys or bismuth-nickel alloys and bismuth-based firearm projectiles are disclosed herein. The bismuth-based firearm projectiles include a projectile body comprising a bismuth-tin-copper alloy or bismuth-nickel alloy that forms at least 90 wt% of the projectile body.
F42B 5/02 - Cartridges, i.e. cases with propellant charge and missile
F42B 12/74 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material of the core or solid body
F42B 12/78 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material of the casing of jackets for smallarm bullets
Muzzleloader systems including a pre-packaged propellant charge with a primer and receptacle. The muzzleloader system may include a propellant containment vessel separate from the primer and the projectile and that doesn't contact with the projectile until assembly. The muzzleloader may be rear loading, with a constriction portion forward of the breech chamber. The propellant containment vessel may include a body portion having a forward opening, with a propellant charge disposed therein and a cap portion that is crimp rolled within the mouth of the vessel to seal the forward opening. The closed end of the propellant containment vessel may define a primer receptacle configured to receive the primer. The receptacle may define a depth that is less than the primer height so that, when inserted into the receptacle, the primer extends rearwardly beyond the containment vessel. The muzzleloader system may be configured to fire only specifically configured propellant containment vessels.
A shotgun shell has a polymer wad with a forward shot cup portion and a rearward propellant cup, the wad in a casing, shot in the shot cup, propellant in the propellant cup, and a primer in a head of the casing. The propellant cup having a plurality of fins extending rearwardly that open to a deployed position upon firing and the shot cup having a plurality of circumferentially spaced axially aligned linear slit segments that permit air to circulate and permit expansion of the shot cup.
A cartridge that generates higher than typical chamber pressures has an enhanced means of primer retention for retaining the primer in the primer recess of the casing. The means may be a lip folded onto a conical surface, a annular groove to receive deformed primer wall portion material upon detonation, a concavity in the rearward facing wall of the primer, a check valve in the flash tube to inhibit propellant gases from reaching the primer recess, or specifically configured primers with a greater length than diameter and with greater wall thicknesses.
Devices and methods for an 8 mm semiautomatic handgun cartridge providing a reduced form factor for carrying a greater number of rounds in a smaller space while maintaining ballistic performance.
A cartridge casing of a cartridge for a lever action firearm, the cartridge casing comprising a rim comprising a flat front face configured to provide a gripping surface for an extractor of the lever action firearm to remove the cartridge casing of the cartridge after firing of the lever action firearm, the rim having a radial gradient that decreases from a maximum radius at a first location on the rim that is prior to the flat front face to a minimum radius value at a second location on the rim corresponding to the flat front face.
A cartridge that generates higher than typical chamber pressures has an enhanced means of primer retention for retaining the primer in the primer recess of the casing. The means may be a lip folded onto a conical surface, a annular groove to receive deformed primer wall portion material upon detonation, a concavity in the rearward facing wall of the primer, a check valve in the flash tube to inhibit propellant gases from reaching the primer recess, or specifically configured primers with a greater length than diameter and with greater wall thicknesses.
Aspects of the disclosure are directed to manufacturing an insert-molded expanding projectile. Aspects of the disclosure include locating a portion of a projectile body within a converging tip mold, the projectile body including a metal jacket extending from a tail portion to a nose portion and surrounding an interior solid core. The metal jacket and nose portion may be tapered in a forward direction to an annular forward edge defining an opening to an undercut interior cavity. Melted polymer may be injected into the converging tip mold and allowed to cool thereby forming a polymer tip having a main portion forward of the opening and a tip retention portion filling the undercut interior cavity and having a shape corresponding to the undercut interior cavity to retain the polymer tip in place.
F42B 12/78 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material of the casing of jackets for smallarm bullets
F42B 12/74 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material of the core or solid body
F42B 33/00 - Manufacture of ammunition; Dismantling of ammunition; Apparatus therefor
A shotgun shell has a polymer wad with a forward shot cup portion and a rearward propellant cup, the wad in a casing, shot in the shot cup, propellant in the propellant cup, and a primer in a head of the casing. The propellant cup having a plurality of fins extending rearwardly that open to a deployed position upon firing and the shot cup having a plurality of circumferentially spaced axially aligned linear slit segments that permit air to circulate and permit expansion of the shot cup.
A cartridge with an expanding bullet that has advantageous terminal effects over an extended range. The expanding bullet including a bullet body including a metal jacket extending from a tail portion to a nose portion and surrounding an interior solid core and defining a forward opening and interior cavity. A tip has an exterior surface substantially flush with an exterior surface of the metal jacket. The tip has a main portion forward of the opening and a tip retention portion that at least partially fills the interior cavity. In certain embodiments the tip retention portion includes one or more fluid entry facilitation means such as a fracture regions configured to, upon impact of the bullet with a target, fracture or deform to expose one or more fluid pathways into the interior cavity and to a forward facing interior surface for initiating expansion of the expanding bullet.
F42B 10/44 - Boat-tails specially adapted for drag reduction
F42B 12/34 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect expanding before or on impact, i.e. of dumdum or mushroom type
F42B 10/46 - Streamlined nose cones; Windshields; Radomes
A cartridge comprising an elongate rifle bullet with a plurality of circumferential grooves having overmolded polymer therein defining embedded polymer rings. The cartridge further having a case and propellant. The polymer rings have an outer surface that is flush with, that is, conforming to the outer surface of the body. The polymer may have be selected to have a favorable coefficient of friction with respect to the barrel. The bands offering reduction of the metal to metal contact between the bullet and the barrel while not diminishing the ballistic coefficient of the bullet.
Devices and methods for chambering and releasing a high pressure cartridge case from a firearm. In some embodiments, a static chamber insert of high elastic modulus is disclosed. In some embodiments, a dynamic or adaptable chamber insert that radially expands in an out-of-battery configuration and radially contracts in a battery configuration is disclosed.
Frangible firearm projectiles, firearm cartridges containing the same, and methods for forming the same. The firearm projectiles are formed from compacted metal powders that may include an anti-sparking agent. The compacted metal powders may be or include a compacted mixture of metal powders that may include powders of one or more of iron, zinc, bismuth, copper, tungsten, nickel, boron, and/or alloys thereof, and/or oxides thereof. The compacted mixture may be heat treated for a time sufficient to form a plurality of discrete alloy domains within the compacted mixture. The frangible firearm projectile may be formed by a mechanism that includes vapor-phase diffusion bonding and oxidation of the metal powders and that does not include forming a liquid phase of any of the metal powders or utilizing a polymeric binder. The anti-sparking agent may include a borate, such as boric acid.
F42B 12/36 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for signalling
F42B 12/74 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material of the core or solid body
A cartridge comprising a bullet, the bullet providing a radially expanding array of bullet fragments upon entering a target and also providing an increase in effective surface area of the bullet within the target by structural features that facilitate tumbling or mushrooming in the target. In an embodiment a pair of axial core members are aligned in a bullet jacket with the forward core member being segmented with separation junctures formed by engaged faces of adjacent segments. Impact causing fracturing of the segments from a base portion.
F42B 12/34 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect expanding before or on impact, i.e. of dumdum or mushroom type
F42B 12/36 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for signalling
F42B 12/78 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material of the casing of jackets for smallarm bullets
F42B 12/74 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material of the core or solid body
A modem sporting rifle with a conversion bolt that is tunable for reliable cycling. The tuning may comprise adjusting the weight of the bolt or the sliding resistance of the bolt assembly in the upper receiver.
F41A 5/18 - Mechanisms or systems operated by propellant charge energy for automatically opening the lock gas-operated
F41A 3/26 - Rigid bolt locks, i.e. having locking elements rigidly mounted on the bolt or bolt handle and on the barrel or breech-housing respectively the locking elements effecting a rotary movement about the barrel axis, e.g. rotating cylinder bolt locks semi-automatically or automatically operated, e.g. having a slidable bolt-carrier and a rotatable bolt
F41A 3/70 - Anti-rebound arrangements, i.e. preventing rebound of the bolt out of the firing position
A .22 caliber rimfire cartridge includes a generally cylindrical casing having a rearward rimfire end and an opposing mouth end, wherein the rearward rimfire end has an annular rim connecting to a cylindrical casing portion extending to a casing forward edge and a bullet is disposed in the forward mouth end. In embodiments, the bullet comprises copper and a polymer binder. In embodiments, the bullet has a forward tapering portion with a central cavity, a first cylindrical portion with a first diameter and a cylindrical surface directly rearward of the tapering portion, a cylindrical driving band directly rearward of the first cylindrical portion, the cylindrical driving band having a second diameter greater than the first diameter and having an outer second cylindrical surface, a third cylindrical portion directly rearward of the cylindrical driving band, the third cylindrical portion having a third cylindrical surface with a diameter equal to the first diameter. In embodiments, the bullet is positioned with the third cylindrical surface mostly or entirely within the casing. In embodiments, the casing has a circumferential crimp positioned at the third circumferential portion. In embodiments, the third circumferential surface having a circumferential indentation at the circumferential crimp.
F42B 12/74 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material of the core or solid body
A.22caliberrimfirecartridgeincludes a cylindrical casing having a rearward rimfire end, an annular rim connecting to a cylindrical casing portion extending to a casing forward edge, an opposing mouth end and a bullet disposed therein. The bullet has a forward tapering portion with a central cavity ,a first cylindrical portion with a first diameter and a cylindrical surface directly rearward of the tapering portion, a cylindrical driving band directly rearward thereof and having a second diameter greater than the first diameter and having an outer second cylindrical surface, a third cylindrical portion directly rearward of the cylindrical driving band and having a third cylindrical surface with a diameter equal to the first diameter. The bullet is positioned with the third cylindrical surface mostly or entirely within the casing.
F42B 5/02 - Cartridges, i.e. cases with propellant charge and missile
F42B 12/78 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material of the casing of jackets for smallarm bullets
