Abstract: A wiped muzzle device, such as a compensator, brake or flash suppressor. The wipe improves the function of the muzzle device by forcing muzzle blast gases through the ports or vents to either counter the force vector created by the muzzle blast gases or alter the mixing of gases to reduce muzzle flash.

Abstract: Systems and methods for adjusting a weight, center of gravity, and balance point of a firearm are disclosed. The systems and methods include a handguard, a weight configured to be attached to the handguard, and a firearm accessory configured to be adjustably secured about the weight.

Abstract: In some embodiments, a firearm muzzle device comprises a body comprising an internal passageway comprising a first portion and a second portion. The first portion comprises a larger cross-sectional area than the second portion. A plurality of first vents are each in fluid communication with the first portion. A plurality of second vents are each in fluid communication with the second portion.

Abstract: Embodiments described herein relate to suppressors for reducing or eliminating sound, flash, and/or heat generated by firearms while discharging projectiles. The suppressor includes a unitary structure containing a cone shaped nozzle disposed at one end of a body. The body has a plurality of baffles surrounding a central bore, a breech end opposite a faceplate, and a plurality of cooling channels spanning a length of the body. Each cooling channel has a first opening at the breech end and a second opening at the faceplate. The unitary structure further contains an outer ring spanning from the breech end to at least the faceplate, a longitudinal wall spanning from the breech end to the faceplate, and a plurality of radially oriented walls extending between the longitudinal wall and the outer ring. The plurality of cooling channels is disposed between the longitudinal wall, the outer ring, and the radially oriented walls.

Abstract: A firearm muzzle accessory coupling device improvement system and method. The coupling device provides a front alignment taper of 17-25 degrees included angle, and an intermediate outer diameter providing a thread of 14 to 18 threads per inch. The muzzle accessory provides a mounting interface socket having an operatively associated thread on the inner circumference of a through bore. The threads of the coupling device and muzzle accessory effectuate mating between the coupling device and the firearm muzzle accessory in a single axial orientation.

Abstract: A blast attenuation device (100, 1100) for a gun tube (10). The blast attenuation device (100, 1100) has a first wall section (102, 1102) which defines a first chamber (104, 1104), which extends from an inlet end (106, 1106) having an inlet aperture (108, 1108) to an outlet end (110, 1100) having an outlet aperture (112, 1112). The blast attenuation device (100, 1100) also has a second wall section (122, 1122) which defines a second chamber (124, 1124), which extends from an inlet end (126, 1126) having an inlet aperture (128, 1128) to an outlet end (130, 1130) having an outlet aperture (132, 1132).

Abstract: The method includes first defining a longitudinal channel in a major body, the major body including a first portion, a second portion and a flange, the flange being located between the first portion and the second portion, the longitudinal channel traversing through a longitudinal length of the major body from the first portion through the second portion, the first portion including a shaft, and second defining a first side end of the flange, the first side end at least partially defining a first segment of at least one first airflow inlet, the first segment being in communication with the longitudinal channel.

Abstract: A system and method for attaching a muzzle attachment to a firearm. The muzzle attachment has an attachment body that is defined by an inner surface having a bore along the central axis of the muzzle attachment. The attachment body may include a threaded portion extending a length along the inner surface configured to engage a threaded portion of the firearm. The attachment body includes a lock that is configurable from a retracted configuration to an extended configuration. In the extended configuration, the lock is configured to securely engage a recess of the firearm. By threading the muzzle attachment onto the firearm and engaging the lock with the recess, the muzzle attachment system resists removal of the muzzle attachment from the firearm. The muzzle attachment may include vents. The muzzle attachment system preferably is indexed relative to the firearm for proper operation of the muzzle attachment during engagement of the lock.

Abstract: Methods and systems are provided for a firearms suppressor adapted with blowout panels. In one example, the blowout panels may be configured to have a lower tolerance for pressure than the materials from which outer components of the suppressor are formed. During over pressure events of the suppressor, the blowout panels may rupture, thereby dissipating pressure in the suppressor.

Abstract: Various systems, methods, and apparatuses related to a firearm suppressor are provided. An example suppressor for a firearm may define a distal end and a proximal end. The suppressor may include an inner body and an external shroud. The inner body may include a muzzle attachment portion defined at or proximate the proximal end of the suppressor and a plurality of baffles each defining an opening. An expansion chamber may be defined between the muzzle attachment portion and one of the plurality of baffles. The external shroud may be configured to at least partially cover the inner body. The external shroud may be configured to permit at least a portion of propellent gas within the inner body to exit the suppressor via a secondary opening disposed at a location between one of the plurality of baffles and the proximal end of the suppressor.

Abstract: A monolithic barrel for a weapon has an integral suppressor. The barrel and integral suppressor can be machined from a single piece of material, which can eliminate the need to attach separate components to the barrel. The monolithic barrel has a barrel bore for firing a projectile that produces discharge gas. To suppress the discharge, the barrel defines one or more baffles separating expansion chambers toward a distal end of the barrel. The barrel further defines one or more channels along the length of the barrel that provide extend flow paths for the discharge gas from the barrel's bore. Greater reductions in sound can be achieved relative to the overall barrel length due to the integral suppressor.

Abstract: A muzzle accessory assembly is provided. The assembly includes a muzzle accessory having a main body with a proximal end, a distal end, a through-channel extending longitudinally between the proximal end and the distal end, a keyed receptacle within the through-channel, and a slot, and a lock within the slot of the main body, the lock being positionable into an unlocked position and a locked position; and a firearm barrel within the through-channel of the main body, the firearm barrel having a chamber for receiving a firearm round, a firing tube extending distally from the chamber, and a coupling engaging the keyed receptacle of the main body, in which the firearm barrel is removable from the through-channel of the main body when the lock is in the unlocked position, and the firearm barrel is locked longitudinally and rotationally within the through-channel of the main body when the lock is in the locked position.

Abstract: The present disclosure provides systems and techniques for an attachment that can be fastened to a gun. The attachment may include a top surface having a longitudinal axis and an aiming sight that is parallel with the longitudinal axis, a front surface having a latitudinal axis that is perpendicular to the longitudinal axis, the front surface including a muzzle aperture, a left surface, a right surface, and a fastening system. The fastening system may include a first mounting aperture of the left surface, a second mounting aperture of the right surface, and a locking pin capable of being positioned in the first mounting aperture and in the second mounting aperture such that the locking pin fastens the attachment to the gun. The attachment may be fastened to the gun such that the longitudinal axis is parallel with a longitudinal bore axis of the gun.

Abstract: A suppressor baffle and a firearm suppressor for suppressing the volume of the report of a firearm includes a fitting for mounting the suppressor on a firearm, a sleeve, and a baffle assembly. The sleeve is supported by the fitting. The baffle assembly is at least partially received in an internal volume defined by the sleeve. A first baffle in the plurality of baffles has a conical section with a proximal opening and a port. The port is elongate in a direction along the circumference of the conical section. The port provides a fluid path through the conical section from an entrance chamber of the suppressor to an internal conical volume defined by the conical section. Gas flowing along the first baffle is directed through the port, causing energy dissipation in the gas.

Abstract: A firearm suppression system includes a housing, a muzzle adapter, an end cap, and a core. The housing includes a first aperture at a first end and a second aperture at a second end. An inner compartment may be interposed between the first aperture and the second aperture. The inner compartment may be configured to receive the core. The muzzle adapter may be threadably coupled near the first end of the housing, and the end cap may be threadably coupled to the second end of the housing. The core may be removably attachable to the housing and positioned within the inner compartment of the housing. Between an outer surface of the core and the inner surface of the housing may be a channel that equalizes pressure. The outer surface of the core may comprise a plurality of apertures that lead to baffles.

Abstract: A slide for a semiautomatic handgun includes a slide body extending along a bore axis and having a top wall, side walls extending downward from lateral margins of the top wall, and a distal end defining a distal opening intersected by the bore axis. The slide body defines an open region between the top wall and the side walls, the open region sized and configured to receive a barrel of the semiautomatic handgun extending along the bore axis and so that a muzzle end of the barrel is spaced axially from the distal end of the slide body. A distal end portion of the top wall defines one or more ports positioned between the distal end of the slide body and the muzzle end of the barrel to be received in the open region.

Abstract: A expansion chamber assembly for a firearm is disclosed. The expansion chamber contains an outer tube containing a front end and a rear end, a front cap coupled with the outer tube at the front end, a rear cap coupled with the outer tube at the rear end, an inner tube retained within the outer tube by the front cap and the rear cap, wherein the inner cap contains one or more through apertures to allow expanding gasses to move from the inner tube into the outer tube, and one or more exit apertures to allow expensing gases to exit the expansion chamber assembly.

Abstract: An aircraft turbomachine having a centrifugal compressor, an annular combustion chamber, an annular casing extending around the chamber and delimiting an annular space (E) in which the chamber is situated, and a heat exchanger. The heat exchanger can include a first circuit supplied with exhaust gas from the turbomachine, and a second circuit connected by first and second volutes respectively to an outlet of the compressor and to the annular space. The first and second volutes can be positioned at an axial distance from one another, and the second volute can be connected to the annular space by a straightener which is situated at least in part outside the casing and which is integrated into an annular connecting pipe which connects the second volute to this casing.

Abstract: A blaster for shooting projectiles that includes a housing that defines a housing interior, and a variable velocity barrel assembly positioned in the housing interior. The variable velocity barrel assembly includes a barrel that defines a barrel axis and a barrel interior. The barrel includes an exit opening at a distal end thereof. At least a first opening communicates the barrel interior with an exterior of the barrel. The first opening is defined through a side wall of the barrel. A slider member that includes a cylindrical portion that surrounds the barrel is movable axially along the barrel between a maximum velocity position where the cylindrical portion covers the first opening and a minimum velocity position where the slider member does not cover the first opening.

Abstract: Methods and systems are provided for firearm sound suppressors including a gas deflector. In one example, a suppressor comprises a housing, a projectile entrance, a projectile exit, one or more baffles, and a deflector chamber. The deflector extending outward from the housing and the deflector curving around a central axis of the suppressor.

Abstract: A suppressor that includes a mount having a first flow path through the mount, the mount configured to connect directly to a barrel of a semi-automatic pistol. The suppressor includes a base tube having an initial expansion chamber and having a second flow path through the initial expansion chamber with the base tube being connected to the mount, the second flow path aligned with the first flow path. The suppressor includes a single baffle having a third flow path connected to the base tube, the third flow path aligned with the second flow path. The suppressor includes an end cap having a fourth flow path connected to the single baffle, the fourth flow path aligned with the third flow path. The single baffle may be the only baffle positioned between the base tube and the end cap. The suppressor does not include any wipes and may include a tube extension.

Abstract: A firearm or a firearm retrofit assembly to provide the firearm with gas compensation to reduce recoil, wherein a barrel of the firearm or firearm retrofit assembly includes a length having an egress for gas propelled from a chamber inside the barrel, the firearm or a firearm retrofit assembly includes a compensation device to mount in front or behind a front wall of a slide associated with the barrel, the compensation device including: a first side having an opening arranged to fit around a length of the barrel; and a second different side having an opening to expose the egress of the length of the bore.

Abstract: Various embodiments are directed to a barrel for a firearm. In various embodiments, a barrel comprises an inner surface defining a bore configured to guide a projectile as the projectile is propelled through the bore by pressurized gas; and a barrel gas port having a gas port depth extending between a port entrance defined by the inner surface of the barrel and a port exit, wherein the barrel gas port is configured to fluidically communicate with the bore and an action of the firearm; wherein the port entrance defines a length dimension defined parallel to a longitudinal axis of the barrel and a width dimension defined perpendicular to the length dimension; and wherein the length dimension of the port entrance is greater than the width dimension of the port entrance. Various embodiments are directed to a firearm comprising the exemplary barrel.

Abstract: A noise reduction device designed for use with air rifles and sub-sonic applications is disclosed. The noise reduction device includes a plurality of collinear rings, each having a plurality of filaments fixed thereto in a radial configuration, so as to define an opening at the center of each of the rings.

Abstract: A muzzle accessory for installation on a barrel of a firearm is provided. The muzzle accessory includes an accessory body having a through-channel sized to receive the barrel of the firearm; and a locking member structured to engage the groove of the barrel to lock the muzzle accessory to the barrel.

Abstract: The connector is configured to couple a first section and a second section of an e-vaping device, and the connector includes a flange with a first end and a second end, a shaft extending from the first end of the flange, an outer shelf being formed by a portion of the first end of the flange, a cylindrical base extending from the second end of the flange, and an inner shelf within the connector, the cylindrical base and the inner shelf at least partially defining a longitudinal opening, the flange defining at least one first notch, the at least one first notch at least partially along the second end of the flange.

Abstract: Provided herein are muzzle brakes, firearms, and methods for manufacturing the same. A muzzle brake for attachment to a muzzle end of a firearm includes a body defining a first end that engages a muzzle end of the firearm, a second end opposite the first end, and an axis extending therebetween. The body further defines one or more openings intersecting the axis to form a channel extending between the first end and the second end along the axis. The body further defines a first port extending from the channel to an exterior surface of the body and a second port extending from the channel to the exterior surface of the body between the first port and the second end. In operation, the first port directs gas from the channel to an external environment of the muzzle brake that disrupts gas directed by the second port from the channel.

Abstract: A muzzle brake (20) for a gun tube (12) defining a bore (40) centred on a longitudinal axis (32). The muzzle brake (20) comprises a top plate (24) and a bottom plate (26). A first wall section (100), a second wall section (200) and a third wall section (300) extend from the top plate (24) to the bottom plate (26).The second wall section (200) extends from the first wall section (100) to a first baffle (220). The third wall section (300) extends from the second wall section (200) to a second baffle (320). The second wall section (200), top plate (24) and bottom plate (26) converge towards the longitudinal axis (32) and the first baffle (220), such that the second wall section (200), top plate (24), bottom plate (26) and first baffle (220) define a first compression cone (224).

Abstract: FIELD: gas units. SUBSTANCE: muzzle brake-compensator (MBC) with a system for interrupting a supersonic gas flow contains a housing, annular elements connected to each other by cutting off chambers with nozzles. The nozzles are united by an internal through channel for the passage of the projectile and the gas jet. In the working area of each cut-off chamber, at least one side outlet window is located so that when the MBC is installed on the end of the weapon barrel, the side outlet windows of each chamber are oriented perpendicularly or at an angle back to the direction of the outgoing gases. EFFECT: technical result is an increase in the effectiveness of the muzzle device, a decrease in recoil and a decrease in toss when fired.

Abstract: A blaster for shooting projectiles that includes a housing that defines a housing interior, and a variable velocity barrel assembly positioned in the housing interior. The variable velocity barrel assembly includes a barrel that defines a barrel axis and a barrel interior. The barrel includes an exit opening at a distal end thereof. At least a first opening communicates the barrel interior with an exterior of the barrel. The first opening is defined through a side wall of the barrel. A slider member that includes a cylindrical portion that surrounds the barrel is movable axially along the barrel between a maximum velocity position where the cylindrical portion covers the first opening and a minimum velocity position where the slider member does not cover the first opening.

Abstract: A muzzle brake compensator has a mount configured to connect to the barrel in registration with the barrel axis, a body defining an interior chamber and connected to the mount, the body defining a bullet aperture registered with the barrel axis, an exhaust port apart from the bullet aperture, a nozzle element connected to the exhaust port and rotatable about a port axis, and the nozzle element defining an exhaust aperture having an exhaust feature having a characteristic angularly offset from the port axis, such that the rotational position of the nozzle element determines a direction of an exhaust force with respect to the port axis. The nozzle element may protrude laterally at an angle from the barrel axis. The nozzle element may be lateral to the bullet aperture. A pair of exhaust ports may be located on laterally opposed positions with respect to the bullet aperture.

Abstract: A rotating gun bolt assembly includes a main body subassembly and a head subassembly. The main body subassembly including a helical receiving pocket. The head subassembly includes a head end and a rear end. The rear end of the head subassembly includes a helical tang extending from the rear end and mated with the helical receiving pocket in the main body subassembly. The helical tang includes a straight side, a distal edge and a helical side. The straight side extends perpendicular from the rear end of the head subassembly. The distal edge extends perpendicular to the straight side, where the distal edge is parallel with the rear end of the head subassembly. The helical side extends helically from the rear end of the head subassembly to the distal edge of the helical tang.

Abstract: There is a multi-caliber weapon system. The multi-caliber weapon system comprises: a frame body, with a front body portion, a middle body portion, and a rear body portion, and including: a plurality of frame flanges, each frame flange being coupled to an interior of the frame body and extending upwardly therefrom; a barrel, removably coupled to the front body portion of the frame body, including: a plurality of barrel rings, each barrel ring being disposed around a circumference of the barrel and spaced along a length of the barrel, wherein the barrel rings are disposed on the frame flanges; a chamber, removably coupled to the middle body portion of the frame body, and removably coupled to the barrel; and a bolt, removably coupled to rear body portion of the frame body, removably coupled to the chamber, and including: a bolt face, removably coupled to a front bolt portion.

Abstract: Embodiments described herein relate to a suppressor that includes a unitary structure comprising a body having an interior volume and a cone shaped nozzle disposed at one end of the body, wherein the body includes a plurality of cooling channels spanning a length of the body, and a plurality of internal channels that are formed radially inward of the cooling channels, and both of the plurality of cooling channels and the plurality of internal channels terminating in a faceplate of the body, a central bore is formed from a breech end of the body to the faceplate, and a plurality of baffles surround the central bore.

Abstract: A silencer for mounting on a gun barrel has a silencer housing for at least partially completely enclosing the gun barrel. A jacket pipe is integrated in the silencer housing for encasing the gun barrel. A muzzle brake is formed to hold the jacket pipe in a centered manner in the silencer housing. The silencer also includes at least one device for deflecting and/or cooling a gas that is produced when a shot is fired. A clamping device is provided for form-fitting and/or force-fitting fixing to the gun barrel.

Abstract: Methods and systems are provided for firearm sound suppressors including a gas deflector. In one example, a suppressor comprises a housing, a projectile entrance, a projectile exit, one or more baffles, and a deflector chamber. The deflector extending outward from the housing and the deflector curving around a central axis of the suppressor.

Abstract: A baffle for silencers which are adapted to reduce system heating, better protect shooter hearing, and reduce the amount of combustion gas vented in the shooters face and eyes during the use of gas operated, self-loading firearms.

Abstract: A compensator device for manipulating and reducing the effects of firearm muzzle lift and a lower receiver for manipulating environmental effects on firearms and firearm operators.

Abstract: A muzzle brake for use with a firearm such as a muzzle-loading firearm, and including at least one access port in the muzzle brake that is large enough (for example at least about 0.5? or more minimum dimension) for access by a user's fingertip to remove a cleaning patch from the muzzle brake. One or more vent ports that are relatively smaller than the access port may also be provided in the muzzle brake.

Abstract: A muzzle booster or similar device for regulating firearm discharge gases from an autoloading firearm is disclosed. The muzzle booster may include a shroud and an interior component. The interior component may include a blast baffle that is configured and dimensioned to provide internal and external geometries such that exhaust pressure within the gas system is extended as a function of time to increase the overall minimum pressure impulse from the gas system into the operating mechanism of the host firearm. The blast baffle or interior component may be of M baffle type, K baffle type, or other baffle design, including monocore designs, or baffle designs integrated into monocore designs. The shroud and the interior component may cooperate with the barrel of the host firearm to form a taper lock system for securing the muzzle booster or device to the host firearm barrel.

Abstract: A firearm attachment may include a threaded adapter, and the threaded adapter may include a first threaded portion and a second threaded portion. The second threaded portion may include an inner threaded portion and an outer threaded portion. The firearm attachment may include a housing that may be configured to couple to the outer threaded portion. The firearm adapter may include a reverse baffle compensator that may be configured to couple to the inner threaded portion. The reverse baffle component may include a first baffle portion and a second baffle portion, and a channel may be disposed between a first narrow end of the first baffle portion and a second narrow end of the second baffle portion. The reverse baffle portion may include one or more holes on a sloped portion of the first baffle portion and one or more holes on a sloped portion of the second baffle portion.

Abstract: A Glock compensator integral with a barrel, and a slide assembly allow escaping gases to dampen recoil associated with firing a Glock firearm. The Glock barrel is removed from the front of the firearm allowing for the integrated compensator at the front of the firearm. Various features, including a lock design, debris port, swept back side ports, height offset, nose ring design and mass-reducing rear cutout, result in an efficient and effective integrated compensator suitable for 4th and 5th generation Glock firearms. The compensator and barrel may be fabricated from the same piece of billet. A pair of side rails may be positioned and configured to slidably receive a slide assembly.

Abstract: A suppressor having a body and a first connector half coupled to the body, wherein the first connector half includes a first component that includes at least one channel and a first surface; and wherein the body provides a second surface, wherein a gap between the first surface and the second surface defines at least one track; wherein the gun includes a second connector half comprising at least one protrusion, wherein the protrusion and channel have corresponding shapes that allow the protrusion to be inserted through the channel and into alignment with the track, wherein the first component may be rotated with respect to the protrusion and the body to bring the protrusion out of alignment with the channel so that the first and second surfaces clamp the protrusion to thereby secure the first connector half and second connector half with respect to each other.

Abstract: In some embodiments, a firearm suppressor comprises a body comprising a sidewall defining a cavity. In some embodiments, the body is configured for attachment to a firearm such that a muzzle of the firearm barrel is oriented in the cavity. In some embodiments, the suppressor comprises a rotating member oriented in the cavity, which is arranged to rotate with respect to the body. In some embodiments, the rotating member comprises a plurality of turbine blades and a central aperture.

Abstract: Embodiments of the invention include sound suppressors, and/or sleeves for sound suppressors and/or barrels of firearms, incorporating mats, sheets, and/or powders of silica fibers and methods for producing such sound suppressors and sleeves. The silica fibers may be formed via electrospinning of a sol gel produced with a silicon alkoxide reagent, such as tetraethyl ortho silicate, alcohol solvent, and an acid catalyst.

Abstract: A noise suppression device includes a body including an outermost external surface of the noise suppression device, an internal portion, a first end, and a second end; a core seamlessly connected to the internal portion of the body; and a bore extending completely through and along a longitudinal axis of the noise suppression device, wherein the noise suppression device includes no joints, no seams, and no formerly separate pieces within the body or the core, a porosity of the core at the internal portion of the body is different than a porosity of a portion of the core along a radial direction closer to the bore, where the porosity is defined as a fraction of a volume of pores per volume of mass in a material of the noise suppression device.

Abstract: A sound suppressor for a sound produced by a generator of rapidly expanding gaseous fluid is provided. The sound suppressor includes a sound suppressor body having an inner longitudinal through bore with an inlet and outlet. The sound suppressor inlet receives rapidly expanding gaseous fluid from the sound generator. The sound suppressor body has an outer body radially spaced from the longitudinal bore. The sound suppressor body has a plurality of individualized control volume ports fluidly connecting the through bore with the outer surface of the body.

Abstract: The suppression device and system attaches to the muzzle end of the barrel. A vent in the suppression device releases the gases from the barrel in a direction to compensate for drift and recoil. The suppression device adjusts to change the direction and distance from the user at which the device vents the gas. The user adjusts the positioning of the vent on the barrel to control the distances from which the vent is located from the user. The user also adjusts the direction of the vent. The vent directs the gases in a direction chosen by the user from a location designated by the user. Such adjustability enables the user to adapt the suppressor device to the user's specific needs.

Abstract: Methods and systems are provided for a firearms suppressor adapted with blowout panels. In one example, the blowout panels may be configured to have a lower tolerance for pressure than the materials from which outer components of the suppressor are formed. During over pressure events of the suppressor, the blowout panels may rupture, thereby dissipating pressure in the suppressor.

Abstract: A muzzle brake for high power rifles, hand guns, machine guns, and artillery, exhibiting barrel stabilization and recoil reduction, by capturing gasses against an orifice end plate and redirecting these gases both out of the muzzle brake, and into the muzzle brake to fill the partial vacuum left by the exiting high pressure gases, by way of Major truncated socket forms, and to a lesser extent, with the use of Minor truncated socket forms, and their associated vent ports in an asymmetrical pattern that balances barrel lift, and recoil against the expected and recovered gases.