89results about "Cartridge extractors" patented technology

The techniques described herein relate to methods and apparatuses for casing ejection mechanisms. The firearm includes a lever, an adapter with a first hole and second hole, and a magazine inserted inside the first hole. The lever is configured to cause a casing to be ejected in a direction parallel to a plane along which the lever moves while ejecting the casing or at least partially toward a side of the firearm.

Disclosed herein are bolt carrier movement mechanisms that offer a higher ratio of bolt carrier applied force to user applied bolt action operating force. Such bolt carrier movement mechanism may comprise a bolt carrier, an impingement body, a primary extraction leverage member, and an action control structure coupler. The impingement body has at least one impingement surface. The primary extraction leverage member has a coupler mounting portion, an impingement member portion, and a bolt carrier mounting portion. The primary extraction leverage member is engaged at the bolt carrier mounting portion of the bolt carrier. The impingement member portion of the primary extraction leverage member is adjacent to the at least one impingement surface of the impingement body and includes at least one impingement member. The action control structure coupler is pivotably engaged with the coupler mounting portion of the primary extraction leverage member.

A firearm shell casing catching system for collecting casings ejected from a firearm includes a mounting assembly, casing deflector, and a hopper. A shim can be optionally attached to the mounting assembly thereby decreasing the inside dimension of the mounting assembly to allow for the firearm shell casing catching system to be attached to magwells of firearms having different sizes.

Apparatuses and methods are provided for an optimized direct gas operated firearm. The firearm includes an upper receiver coupled with a lower receiver by a tensioning screw that reduces wobble between the upper and lower receivers. A barrel extension is configured to eliminate misalignment during installation into the upper receiver. A bolt carrier includes a reinforced bolt assembly and a forward-biased dwell weight. The bolt assembly includes an extractor and an extractor pin that simplify disassembly of the firearm. A handguard includes locks that attach to a barrel nut area of the firearm. The locks clamp onto the barrel nut area to align the handguard with the upper receiver. An ambidextrous bolt catch release assembly is operable from either side of the lower receiver. A bolt catch release paddle is disposed at the front of a trigger guard to provide easy access from either side of the lower receiver.

A compact action for a firearm including an upper receiver housing incorporating a barrel. A bolt and carrier are positioned within the receiver housing so that the bolt is engaged to a rear receiver end of the barrel in a cartridge chambering position. Guide rods are supported within the housing above the barrel and extend in parallel to a rear located end plate. The carrier includes a carrier key supported by and displaceable along the guide rods between the barrel and a rearward bumper component. A gas tube extends from a forward located gas block overlaying a gas discharge aperture in the barrel to a gas key for actuating the carrier rearwardly following discharge of a ballistic from the barrel. A fixed ejector is attached to the upper receiver, in combination with machining a slot into the carrier and the bolt, such that the ejector remains static such that, upon the bolt cycling, the spent shell casing contacts the ejector, causing it to be ejected out of the upper receiver.

Described herein is an improved firearm bolt, and methods of making same, having a larger diameter bold head coupled to a smaller diameter bolt body used with a feed ramp and improved extractor geometry to enable firing of intermediate firearms cartridges.

A shell stub catching device (24) for an armament (6) of a vehicle (1), in particular a battle tank, with guide walls (25, 26, 27, 28) which are designed to guide shell stubs (14) striking the guide walls (25, 26, 27, 28) downwards along a direction of gravity (g), wherein the guide walls (25, 26, 27, 28) have quick-connecting elements (39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50) with the aid of which the guide walls (25, 26, 27, 28) can be connected to a holding structure (56, 60) without the use of tools and can be detached from the holding structure (56, 60) without the use of tools.

An ammunition cartridge casing has a casing base with a proximal end surface, a casing body defining an inside volume, and a distal end portion. The casing base defines a primer pocket in communication with the inside volume of the casing body, where the primer pocket is sized and configured such that when a primer is installed in the primer pocket, a proximal face of the primer is recessed into the base at least 0.010" with respect to the end surface. Blank ammunition made with the cartridge casing is configured for use with a rifle having a bolt with a boss on the breech face that corresponds to the recessed primer.

Disclosed is an extractor for an autoloading firearm, the extractor having an extractor body extending a proximal end portion to a distal end portion. A knuckle is between the proximal end portion and the distal end portion and defines a pin opening extending crosswise through the extractor, where the pin opening has an elongated shape. During rearward movement of the bolt after firing, the elongated opening enables the extractor to shift downward and / or forward so that part of the extractor contacts the bolt, thereby preventing the extractor from pivoting about the extractor pin.

The application discloses a device for removing a failure bullet of a spaceborne weapon. The device comprises a failure bullet pushing device and a failure bullet collecting device, and the failure bullet pushing device and the failure bullet collecting device are used for being fixed on a gun body of the spaceborne weapon and corresponding to both sides of a failure bullet position. The device is mainly used for removing the failure bullet in a chamber of the spaceborne weapon. The spaceborne weapon adopts a transverse moving type chamber structure, that is, the chamber moves back and forth between a bullet feeding position and a firing position. When the failure bullet appears in the chamber, a control system of the spaceborne weapon sends a command to make the chamber of the spaceborne weapon move to a failure bullet removing position, and then the failure bullet removing device is used for removing the failure bullet.

The invention belongs to the technical field of multi-tube grenade launchers, and particularly discloses an ejection mechanism of a multi-tube remote launcher, which comprises an ejection jack seat, a guide part, an ejection jack and an ejection driving part, the ejection tappet is movably arranged between the two bullet holes in the middle layer, and four mounting arms are arranged on the ejection tappet in the circumferential direction of the ejection tappet; the number of the ejection stiles is four, the ejection stiles are correspondingly installed on the four installation arms respectively, the installation positions of the four ejection stiles form four vertexes of a rectangle, three bullet holes are evenly distributed in the outer side of each ejection stile, and the end, away from the ejection stile base, of each ejection stile movably penetrates through the rear linkage and is provided with ejection bullet teeth. Each ejection tooth is configured to synchronously eject cartridge cases in three cartridge holes in the outer side of the corresponding ejection jack; and the ejection driving piece is connected to the rear link. According to the ejection mechanism, the limited space under the 323 layout is fully utilized, ejection operation is efficiently and accurately conducted on the cartridge cases in all the cartridge holes, and the ejection problem under the specific layout is solved.

A firearm comprising at least one frame defining a housing seat of a barrel group; and a barrel group comprising at least one barrel with longitudinal development axis (A), the barrel group being mounted in a tilting manner with respect to the frame between a position in which the barrel group engages the housing seat and a position in which the barrel group is rotated with respect thereto. The barrel group comprises at least one extractor device associated with the barrel and configured to at least partially expel at least a portion of an ammunition from the at least one barrel. The extractor device is configured to selectively operate in a first mode in which it integrally ejects a casing of an exploded ammunition and in a second mode in which it accompanies part of an unexploded ammunition in partial exited from the at least one barrel.

The utility model provides a simple ballistic equipment ejector which comprises a fixing part (1), an expansion shell part (2), a hand wheel (3), a connecting part (4), a force applying handle (5) and a slide way (6), and the front end of the fixing part (1) is inclined; an open slot is formed in the front end of the expansion shell part (2); external threads are arranged at the end parts of the fixing part (1) and the slide way (6); internal threads are arranged at two ends of the connecting part (4); the fixing part (1) and the slide way (6) are fixed at the two ends of the connecting part (4) through the external threads and the internal threads to form a basically long-strip-shaped appearance structure; the expansion shell part (2), the hand wheel (3) and the power generation handle (5) are movable parts; the fixing part (1) can penetrate into an inclined shoulder of a broken bullet shell (7); and the expansion shell part (2) can freely slide on the slide rail. The tool is convenient to operate, simple in structure and portable, can be disassembled by a single person, and can be assembled into a piece; part of components can be replaced so as to meet requirements of ballistic apparatuses with different specifications and sizes.

A multi-caliber bolt assembly includes a bolt body, a bolt face, an extractor, a case guide, and a resilient element. The extractor is movably coupled to the bolt body. The extractor is designed to engage and retain a rim of the cartridge casing. The case guide is movably coupled to the bolt body opposite the extractor. The case guide is designed to engage the cartridge casing. The resilient element is coupled to the extractor and the case guide. The resilient element is designed to exert a force to move the extractor and the case guide together to engage and hold the cartridge casing against the bolt face when the extractor and the case guide are moved apart against the force by insertion of the cartridge casing between the extractor and the case guide regardless of the size of the cartridge casing.

The invention relates to a breech block, in particular wedge breech block, having a breech end and a breech wedge, and comprising an opener shaft with a rotationally coupled opening lever and an ejector system for pulling out cartridge cases or cartridge bases from the breech block, said ejector system comprising at least one ejector and at least one ejector lever that actuates the ejector, the ejector lever being rotationally movably mounted on the opener shaft and the ejector system comprising at least one transmission element that transmits a rotational movement of the opening lever to the ejector lever.

The invention provides an equipment pneumatic shell exhaust promoting control device and method. The equipment pneumatic shell exhaust promoting control device comprises a power module, a time delay relay, a first relay, a second relay, a first cold air electromagnetic valve, a second cold air electromagnetic valve, an air source and two independent air path hoses. During equipment shooting, the first relay and the second relay are controlled to be switched on through the delay relay, then the first cold air electromagnetic valve and the second cold air electromagnetic valve are controlled to be switched on, and high-pressure gas provided by the gas source is conveyed to the two gas path hoses through the first cold air electromagnetic valve and the second cold air electromagnetic valve correspondingly; and the high-pressure gas drives the cartridge case to be smoothly discharged out of the case discharging channel, so that the problems that the cartridge case is blocked and blocked in the case discharging channel and even the shooting of the equipment is stopped due to non-power-assisted case discharging of the equipment are solved. The gas circuit control time sequence is consistent with the equipment shell discharging control time sequence, the enabling signal output by the central control machine is output in a delayed mode through the delay controller, the cold air electromagnetic valve is accurately controlled to be communicated with the shell discharging gas circuit, and smooth discharging of the shell is promoted.

An improved bolt and bolt carrier with integral gas key having an extension nozzle threadedly secured and pinned to the gas key for use with a direct gas operated firearm is provided. The extension nozzle is designed to receive a portion of the host firearms gas operating system. The firing pin retaining pin is oriented so as to expose its widest profile to the firing pins annular flange, increasing its service life. The bolt has a plurality of lugs extending from its forward end and an extractor recess. The extractor recess is constructed to accommodate an enlarged extractor claw while not undercutting the bolt lugs adjacent thereto. The extractor engages approximately 57% more of a seated ammunition cartridges rim as compared to some prior art AR15 / M16 type extractors used with automatic firearms chambered in 6.8 SPC. The result is an improved bolt and bolt carrier which provides for increased operational reliability.

The present invention provides an integrated tail cover for loading and unloading ammunition, comprising: a tail cover and a projectile locking and releasing mechanism integrated on the tail cover; two loading and unloading hook bases symmetrically mounted on the tail cover; a straight segment of the loading and unloading hook is rotatably connected to the loading and unloading hook base; a curved hook of the loading and unloading hook is used to hook the edge of the wing plate of the mine-killing projectile; a connecting handle is fixedly connected to the other end of the straight segment of the two loading and unloading hooks; by pressing the connecting handle, the loading and unloading hook rotates about its connection point with the loading and unloading hook base, thereby locking or releasing the curved hook on the wing plate; a handle is also fixedly connected to the tail cover, which facilitates lifting the handle to place or remove the mine-killing projectile locked on the tail cover into or out of the ammunition tube; a positioning hole I and a positioning hole II are provided on the loading and unloading hook, and a through hole is provided on the loading and unloading hook base corresponding to the locking position and the release position; a safety pin is inserted into the positioning hole I or the positioning hole II to limit the loading and unloading hook. The present invention can be used to load and unload ammunition without special tools, is simple to operate, and can effectively improve work efficiency.

An apparatus and methods are provided for an extractor pin for optimizing the operation of a direct gas operated firearm. The extractor pin comprises an elongated member that includes a center portion configured to seat within holes in parallel prongs of the cartridge extractor. First and second end portions of the extractor pin seat within transverse holes in the bolt assembly. The center portion has a diameter that is greater than the diameter of the first and second end portions. The center portion fits loosely in the holes of the parallel prongs, allowing the cartridge extractor to pivot on the extractor pin. The first and second end portions are configured to be lifted to the top of the transverse holes such that the center portion remains disposed in the parallel prongs and centered between the transverse holes.

A rotating bolt firearm may be configured to fire a .308 cartridge. However, the firearm may have a reduced weight in comparison to standard .308 rifles. The firearm may have many components typically used in a .223 rifle. The firearm may include a barrel extension with an extractor gap, which allows a .308 bolt to fit within a .223 sized barrel extension. The firearm may comprise an elongated magazine well in comparison to a .223 mil-spec rifle. The firearm may weigh less than 6.8 pounds with a 16-inch barrel, or less than 6.3 pounds with a 10.5 inch barrel.

A magazine for a firearm comprises a tubular magazine body defining a cavity for holding cartridges, a spring, and a follower biased by the spring for dispensing cartridges from the magazine. A spring base disposed on the body includes a cantilevered resiliently deformable spring arm supporting the spring in one embodiment. The base is held in place by the floor plate. Sliding the floor plate onto the magazine body engages an inclined ramp of the floor plate with spring arm which automatically moves the spring arm from an undeflected to deflected position. When the floor plate is fully coupled to the magazine tube such that the spring arm clears the ramp, the spring arm snaps back to the undeflected position and locks the floor plate in place on the tubular body via interlocked retention features without use of tools.

The firearm (1) according to the invention with a cartridge (3) has a barrel (2) with an inner surface (8), a barrel length (L), measured from a firing chamber (4) to a muzzle, and a barrel axis, wherein the cartridge (3) has a single, sabot-free projectile (5) with a circumferential surface (9). Between the circumferential surface (9) of the projectile (5) and the inner surface (8) of the barrel (2) there is along at least 90% of the barrel length (L) and over at least 90% of the circumference of the projectile (5) a gap (10), which is continuously open in the direction of the barrel axis.

A small firearm includes: a receiver; a barrel including a barrel bore axis; an action including a bolt head; and a guide surface, the receiver being configured for (i) at least indirectly receiving the barrel including a locking mechanism area, a chamber, a guide area, and a muzzle arranged successively in the longitudinal direction, and (ii) at least indirectly receiving the action movably arranged within the receiver along the longitudinal direction from an open position to a closed position, the guide surface, which is within a locking space, being configured such that at least one of (i) an entry of a cartridge case under an influence of a torque during a movement of the action from a closed position to an open position is limited due to an interaction of an ejector and an extractor and (ii) an exit of the cartridge case is favored.

Kits for replacing the ejector of a shotgun include an ejector spring and a base member, where the base member is designed and adapted to be affixed to the interior surface of the receiver of the shotgun, and further to engage the ejector spring in a cantilevered tongue-and-groove (TAG) configuration. TAG ejector kits, TAG ejector assemblies, and TAG ejectors are suitably configured for operation in conjunction with pump action shotguns.

The invention relates to firearms, and more particularly to a caseless bolt-action firearm. A caseless bolt-action firearm comprises a receiver (1) with a support (2), a bolt (63), a firing pin (36), a trigger (28), a magazine latch (27), a safety catch (31), a safety catch bracket (24), a trigger guard (3), an add-on stock (6), a grip (14), a magazine (15) and a barrel (18), wherein in the front part of the receiver (1) there is mounted a weapon chamber (17), and the bolt (63) contains a guide rod (41) for a conical bolt bushing, a triple-layered rifled cartridge (45) and a triple-layered smooth cartridge (44). The invention makes it possible to increase the operating reliability of a caseless bolt-action firearm in difficult conditions, easily eliminate delays, simplify loading and unloading, enable the firearm to operate reliably under combat conditions with forced feed of ammunition, including soiled ammunition, improve the stability of the projectile trajectory and increase firing accuracy both from stable positions and in the case of point shooting.

An unjamming multitool for use with a firearm, including a housing having opposing parallel side plates joined at an edge and having a first end and an opposing second end, and defining a cavity therebetween. A first pivot post and a second pivot post are carried at the first and second ends of the housing. An extractor assembly is pivotally coupled to the first end of the housing by the first pivot post and movable between a stored position adjacent the housing and a deployed position wherein the extractor assembly is pivoted outwardly from the housing about the first pivot post to a stop. A bolt over-ride claw coupled to the opposing second end of the housing by the second pivot post, and movable between a stored position generally within the cavity of the housing and a deployed position pivoted outwardly from the cavity to a 90 degree stop. A collapsible range rod movable between a stored position against one of the opposing parallel side plates and a deployed position extending from the one of the opposing parallel side plates.

Disclosed herein are bolt carrier movement mechanisms that offer a higher ratio of bolt carrier applied force to user applied bolt action operating force. Such bolt carrier movement mechanism may comprise a bolt carrier, an impingement body, a primary extraction leverage member, and an action control structure coupler. The impingement body has at least one impingement surface. The primary extraction leverage member has a coupler mounting portion, an impingement member portion, and a bolt carrier mounting portion. The primary extraction leverage member is engaged at the bolt carrier mounting portion of the bolt carrier. The impingement member portion of the primary extraction leverage member is adjacent to the at least one impingement surface of the impingement body and includes at least one impingement member. The action control structure coupler is pivotably engaged with the coupler mounting portion of the primary extraction leverage member.

The invention relates to a rifle (1) which comprises a fixed main body (2) comprising a barrel (9), a receiver (6) comprising an upper opening (60), and a breech element (8) . The rifle (1) also comprises a bolt carrier assembly (3) that is axially movable between an advanced shooting configuration and a retracted rearming configuration, and vice versa. The bolt carrier assembly (3) comprises: - a bolt carrier (30) positioned on the receiver (6) at the upper opening (60) which is axially slidably movable, comprising a passage (300) extending transversally; - a firearm handle (4) comprising an outer portion (41) grippable by a user and an inner portion (40) specifically shaped for complementarily housing in the passage (300), being insertable both on one side and on the other; - a bolt assembly (5) partially accommodated in said bolt carrier (30), comprising a bolt body (50) and a bolt head (55), wherein the bolt head (55) is mountable onto the bolt body (50) in a first angular position and in a second angular position, which are reciprocally inverted, the bolt head being equipped with a cartridge ejector. According to the invention, the rifle (1) is configurable for a right-handed or a left-handed person by changing the position of the firearm handle (4) and the angular position of the shutter head (55).