1464 results about "Gun barrel" patented technology

A firearm accessory mounting and protection system including integrated channels machined into the handguard or receiver of a firearm that allows wires / cables to be concealed and protected under removable covers which slide into the integrated channels. These channels can also be used to mount and accommodate optional accessories or mounting surfaces. A firearm free-float handguard mounting system including a barrel nut and cam-lock mount with two machined cam-lock bolts that ride on the cam-lock nut and move up and down with a forty-five degree motion while contained in the handguards housing where the bolts sit in channels machined into the barrel nut allowing for the handguard to be easily installed or removed for cleaning, firearm maintenance, servicing, etc.

An improved AR platform firearm includes modular brass deflectors and brass catches; sleeved takedown and pivot pinholes; a cam latch device for a secure upper / lower receiver connection; a two-piece upper receiver; a taper-fit barrel system; a barrel alignment system using a barrel alignment washer; a charging handle that positively engages with the bolt carrier; a charging handle retention system using a spring detent; a bolt carrier with rear wall to absorb shear force on the gas key or anvil; a leak-proof gas system using a straight gas tube, ferrule and threaded connection with the gas block; a gas block stop notch that mates with a gas block key; a gas block jam nut for holding the gas block in place; an interchangeable gas system; an expansion chamber; a handguard with adjustable weights; a handguard lock-up mechanism; a handguard extender; and a sloped Picatinny rail for extending scope utilization.

A bushing / compensator device for a firearm is provided that includes a compensator member having a first aperture having an axis that is coaxial with the axis of the barrel. A second aperture has an axis that is coaxial with the axis of the guide rod when the device is mounted on the slide. A quarter turn bayonet mount is disposed at a rear end of the first aperture that mates with a bayonet mount aperture in the slide. When the bayonet mount is locked, the axis of the second aperture is aligned with the axis of the guide rod of the pistol, and when the bayonet mount is unlocked, the device is removable from the slide. A button assembly is retained in the second aperture and includes a head at one end and a fastener at the other. The rod is slidable from a first position wherein the head is adjacent to the front end of the second aperture, to a second position wherein the second end of the rod depresses the recoil spring plug. A spring biases the rod to the first position.

A toy rounds blaster apparatus launching multiple projectile rounds with an energy source including a single launch spring for moving one or more pistons within one or more cylinders. A pressure distributor couples each of the one or more cylinders forward the one or more pistons, with an alignment system receiving a collection of the projectile rounds, for aligning individual projectile rounds between pressure distributor and the at least one barrel, with the pressure distributor coupling each of the one or more cylinders with a respective one of the individual projectile rounds. An actuator is linked with the energy source for causing the single launch spring of the energy source to move the one or more pistons and launch the projectile rounds.

The invention discloses a double-injection rubber-coated product assembled in a super-thick plastic part cavity structure mold and a production process of the double-injection rubber-coated product. A molten plastic material is injected into a first injection mold cavity through a first gun barrel of a double-injection injection molding machine to form a first injection molding part and a second injection molding part which are integrated; then the six-axis robot is controlled to drive the part taking and mounting tool to move to grab the insert and fix the insert to the second injection molding part, and at the moment, a closed assembly part with a cavity structure is formed between the second injection molding part and the insert; finally, a molten plastic material is injected to the outer surface of the assembly part of the second injection mold through a second gun barrel of the double-injection injection molding machine to form a third injection molding part; according to the technology, the overall weight of a solid structure product can be greatly reduced, the material use is reduced, the material cost is reduced, the product cooling time is shortened through the design of the cavity structure, the production efficiency is improved, and the product defects such as surface shrinkage marks and internal irregular cavities caused by excessive shrinkage of a plastic material in the cooling and curing process are thoroughly eradicated.

A firearm with ambidextrous bolt release mechanism includes a barrel and a bolt slideably mounted in the receiver for axial movement between forward closed breech position in battery with the barrel and a rearward open breech position. A recoil spring biases the bolt forward. A side-mounted bolt catch lever is configured and operable to selectively hold the bolt in the open breech position, and disengage the bolt to reclose the breech when manually actuated. A transversely movable actuator plunger allows a user to release the bolt from the side of the firearm opposite the bolt catch lever side. The plunger comprises an inclined camming surface which slideably engages a mating inclined camming ramp on the lever. Wedging action applied to the bolt catch lever by the plunger rotates the lever about its pivot axis to disengage and release the bolt.

A gun targeting system (10) comprising a chassis (200). A gun barrel (300) is mounted to the chassis (200) by a pivot mount (304). The system also comprises a chassis suspension system (400) comprising a plurality of wheel arms (402), each wheel arm (402) extending away from a different chassis mount (220) on the chassis (200) to a respective wheel (404), each wheel (404) being rotatably mounted on its respective wheel arm (402), each wheel (404) configured for engagement with a support surface (500). The gun targeting system (10) is operable to position the barrel (300) towards an orientation to target an object by pivoting one or more wheel arms (402) relative to the chassis (200) and / or by pivoting one or more wheels (404) relative to its respective wheel arm (402) and / or by rotating one or more wheels (404) relative to its respective wheel arm (402).

The disclosure is directed at a blank fire bullet trap attachment (BFBTA) that provides improved protection for firearm users when live ammunition is accidently loaded into the firearm. The BFBTA includes a barrel portion made of a first metal; and a hardened element portion made of a second metal, the hardened element portion sized to frictionally fit within the pipe portion; wherein the first metal is softer than the second metal, such that when live ammunition contacts the hardened element portion, the hardened element portion slides within the barrel portion.

The present invention relates to a silencer for mounting on a handgun having a barrel with a barrel extension and a frame with a mounting rail and a trigger guard, including a mounting portion provided and adapted to fixedly receive at least a part of the barrel of the handgun; and an attaching rail provided and adapted to support the silencer on the trigger guard of the handgun; the attaching rail is slidable relative to the mounting portion along a longitudinal direction of the silencer to adjust the silencer to a varying distance between the barrel extension and the trigger guard. The invention further relates to a method for adjusting a silencer on a handgun.

A muzzle device for a firearm may include a device body and a plurality of ball bearings. The device body may be configured to be removably secured to a mount body of a mount configured to be secured to a barrel of the firearm, the mount body including a plurality of lugs each extending radially outward relative to a longitudinal axis of the mount and including a stop and a detent. The device body may include a plurality of protrusions each extending radially inward relative to a longitudinal axis of the muzzle device and configured to engage the stop of a respective lug of the mount to prevent rotation of the muzzle device relative to the mount in a first direction. The ball bearings each may be configured to move relative to the device body and to engage the detent of a respective lug of the mount to inhibit rotation of the muzzle device relative to the mount in a second direction opposite the first direction.

A barrel cooling system for a weapon includes a corrosion prevention cylinder between a barrel and cooling fins arranged around the cylinder.

The utility model provides an improved welding gun for a narrow space, which relates to the technical field of welding guns and comprises an adjusting mechanism, a receding mechanism is arranged on one side of the adjusting mechanism, the adjusting mechanism comprises a gun tail, a side plate is arranged at one end of the gun tail, and one end of the gun tail is fixedly connected with the rear end face of the side plate. The U-shaped plate slides on the gun tail when the lead screw is rotated, so that the overall length of the welding gun is increased, then the handle is held by hand to operate the welding gun, it is ensured that a welding rod can reach the farthest welding point in a limited operation space so as to adapt to different space limitations, and the flexibility of welding operation is improved; when the welding gun is used, the connecting frame is shifted on the rotary knob, so that the gun barrel is rotated, an operator is allowed to use the welding gun to operate in any direction where construction is difficult, and the adjustable angle of the welding gun enables the operator to conduct welding in various directions in narrow or complex space.

A rifle has a body, a magazine slot, a handle, a lower mechanism movable between primary and secondary positions in the direction of the barrel extension to drive bullets into the barrel and a monoblock rifle mechanism having an upper mechanism extending over the barrel of the rifle. A primary lock slot is provided on the upper mechanism, and a secondary lock slot on the barrel. One end of a main arm is rotatably connected to the barrel. A button is connected to the main arm so that the user can move the main arm. When the button is pushed from the barrel towards the upper mechanism, if the rifle mechanism is retracted, it will snap into the primary lock slot. If the rifle mechanism is retracted, it includes a mechanism stopper with a lock lever that fits into the primary lock slot and prevents the rifle mechanism from moving.

A muzzle device for a firearm may include a device body and a plurality of ball bearings. The device body may be configured to be removably secured to a mount body of a mount configured to be secured to a barrel of the firearm, the mount body including a plurality of lugs each extending radially outward relative to a longitudinal axis of the mount and including a stop and a detent. The device body may include a plurality of protrusions each extending radially inward relative to a longitudinal axis of the muzzle device and configured to engage the stop of a respective lug of the mount to prevent rotation of the muzzle device relative to the mount in a first direction. The ball bearings each may be configured to move relative to the device body and to engage the detent of a respective lug of the mount to inhibit rotation of the muzzle device relative to the mount in a second direction opposite the first direction.

A firearm sound suppressor can include an outer housing that defines a bore axis and an inner wall disposed at least partially within the outer housing. The inner wall can be oriented along the bore axis and includes a cylindrical central chamber. An annular chamber can be disposed between the outer housing and the inner wall. At least one helical partition can be disposed in the annular chamber to define at least one interleaved helical pathway through the annular chamber. Each interleaved helical pathway includes a first forward helical segment, a reverse helical segment sharing a first common wall with the first forward helical segment, and a second forward helical segment sharing a second common wall with the reverse helical segment. The first and second common walls can be distinct from one another.

An automatic firearm, a barrel usable with an automatic firearm and a shot counter for mounting to a barrel of an automatic firearm. The shot counter is configured to track the number of shots fired through the barrel and to provide an indication of the remaining lifespan of the barrel.

A recoil compensator for a handgun defines a through opening along a central axis, the through opening including a threaded portion configured to threadably engage the threads on the distal end portion of the barrel. The recoil compensator further defines a port in a top wall and defines fastener openings each configured to receive a taper pin. When the recoil compensator is installed on the barrel, the central axis is substantially coincident with the bore axis and the port is configured to vent a portion of propellant gases from the barrel upon firing the handgun. The threaded portion threadably engages the threads on the barrel with a distal end of the barrel positioned proximally of the port. Each taper pin is received in a respective fastener opening and engages a side of the barrel. A slide assembly and handgun including the compensator are also disclosed.

Break barrel airguns are provided with a loading system that uses the cocking action of the break barrel type airgun to charge an energy storing device. A rotary style magazine is provided that enables multi-shot capability for the airgun. The magazin is held by a magazine holder and engages with engagement components that reduce backlash, prevent backwards rotation of the magazine, and ensure alignment of the projectile holders in the magazine with the opening of the barrel.

The present invention provides a magnet mount for securely holding a firearm. The magnet mount includes a mounting plate, one or more magnets affixed to the mounting plate, and a barrel insert that is substantially in parallel with the surface of the mounting plate. The magnets are configured for providing a holding power to support at least a portion of the weight of the firearm. The barrel insert can be inserted into the barrel of the firearm and stabilizes the firearm. Also provided is a method of securely holding a firearm using the magnet mount.

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 system and method for an adaptable handguard. The system includes a receiver adapter configured to couple with a firearm via an adapter nut. The receiver adapter has a tapered inner wall and the adapter nut has a tapered outer wall. There is a barrel adapter assembly which couples to a barrel. The barrel assembly has a tapered downstream outer wall. There is a housing which fits around the barrel adapter assembly. The housing has one or more latches to couple with the receiver adapter. This allows for quick and easy changing of barrels once the system is installed.

A gas block assembly can include a front tube; a rear tube; and a rear gas block attaching the front tube to the rear tube in fluid communication. A firearm assembly can include a receiver defining an ejection port; a barrel attached to the receiver; and a gas block assembly comprising: a front tube; a rear tube; and a rear gas block attaching the front tube to the rear tube in fluid communication, the front tube in fluid communication with the barrel and the rear tube in fluid communication with the receiver.

A firearm foregrip comprising: a lower section hingably attached to an upper section; an attachment arm carried by the lower section with an arm open position and an arm closed position, wherein the attachment arm is adapted to be received within a frame of a firearm securing the lower section to the frame when the attachment arm is in the arm open position; and a barrel clamp, connected to the lower section, with a clamp open position and a clamp closed position, wherein the barrel clamp is adapted to receive a barrel of the firearm and secure the lower section to the barrel when the barrel clamp is in the clamp closed position. The foregrip may include a heat shield, multiple attachment rails, and a second attachment arm. The barrel clamp may comprise multiple clamp assemblies to securely attach the foregrip to the firearm barrel.

Quick take-down firearms and methods of using quick-take down firearms. The quick-take down includes an upper receiver coupling and a barrel coupling. The quick take-down can be unlocked by sliding a sliding lock collar in a translational motion to an unlocked position to release locking elements from a locked configuration. In the unlocked position, a barrel and handguard may be installed onto and removed from the upper receiver of the firearm. Releasing the sliding lock collar returns it to a locked position, securing the barrel and handguard to the upper receiver.

An insulated handguard rail panel insert with an elongated aperture that extends through the entirety of the component allowing for the passage of any fluid media past a barrel, gas-system, or any other internal thermally conductive parts of a firearm. The rail panel is designed to be placed within an attachment section of a firearm handguard by firmly pressing it down, causing the engagement fins to contact the interior surface of the handguard. Once installed, the insert acts as a thermally insulating barrier between the thermally conductive metal handguard and the user. It securely attaches to a firearm without the need for any additional manufacturing processes such as the addition of fasteners, cams, bolts, or other hardware in which the method of retention does not impede or obstruct the flow of fluid media through the elongated aperture.

A firearm operating system includes a bolt with at least one bearing cavity, a carrier disposed on a rear side of the bolt, a plurality of bearings, and a barrel extension. The carrier includes a cavity. The plurality of bearings are retained in the barrel extension. The plurality of bearings are movable relative to the barrel extension.

A silencer mechanism for attachment to a Picatinny rail of a gun is provided. The fast tool apparatus has a locking spring and a lever arm which releases the lock with a finger movement, the gapless fixation of said apparatus and its removal from the picatinny rail in a single movement being provided by the fixing apparatus. The inner compartment parts allow the pressure from the gun barrel to be directed in a spiral loop by increasing the loop of the silencer internal compartment parts, to be drawn by the handle inner compartment parts and to be silently discharged through the second drain hole.

The invention discloses a multi-stage electromagnetic railgun and a distributed energy injection system thereof, and relates to the technical field of electromagnetic railguns, the multi-stage electromagnetic railgun comprises an electromagnetic gun launching tube, a mounting plate is mounted at the bottom of the electromagnetic gun launching tube, a plurality of groups of isolation columns are mounted at the bottom of the mounting plate, and a circuit board is mounted at the bottom end of each isolation column; according to the multi-stage electromagnetic rail gun and the distributed energy injection system thereof, the distributed energy injection system composed of the main control module, the time sequence control and energy routing module and the distributed pulse forming module is combined with a plurality of independent magnet exciting coils wound in the axial direction of an electromagnetic gun launching tube in a segmented mode; accurate distribution and injection of energy according to a preset time sequence and a space sequence are realized. According to the system, marching type electromagnetic thrust waves can be formed in the electromagnetic gun launching tube, continuous and multi-stage acceleration is carried out on the armature, and therefore the outlet speed and launching efficiency of the projectile are remarkably improved, and meanwhile the controllability and energy utilization reasonability of the system are enhanced.

A sabot assembly includes a housing defining an interior space and a plurality of projectiles and received in the interior space. The interior space is at least partially defined by a plurality of concavities, each of which is configured to receive a respective projectile. The housing is configured to separate and fall away once the sabot assembly is fired through a gun barrel, thereby releasing the projectiles from the interior space toward a target prior to impact of the sabot assembly with the target.

The invention relates to the field of welding, in particular to a metal pipeline welding device which comprises a rotating table, a clamping assembly is arranged on the rotating table and used for clamping a flange welded to a pipeline, the pipeline is assembled on the flange, a welding assembly is arranged on one side of the rotating table and comprises a first air cylinder, and the output end of the first air cylinder is connected with a top plate. A gun body of electric arc welding equipment is arranged on the top plate, a base block is fixedly connected to the outer side wall of a gun barrel of the gun body, a rotating hole allowing the base block to deflect is formed in the end of the top plate, and the front end of the gun body extends to the connecting and welding position of a pipeline and a flange. According to the welding device, multi-layer welding is adopted, firstly, the sealing performance and the connecting strength between the flange and the pipeline can be effectively improved, the welding device can adapt to some severe environments and can resist media with higher flowing pressure, meanwhile, the welding device, the pipeline and the flange serve as moving parts and are matched with the rotating table, stable rotation can be achieved, and the gun body serves as a fixing part; and a moving part can be stably welded.