Abstract: A firearm suppressor including an array of ported baffles and chambers in the suppressor assembly that may mitigate deleterious effects of gas pressure imbalances common in firearm suppressors. The suppressor may impart desirable noise suppression, gas balancing, and barrel heating characteristics to a firearm.

Abstract: A suppressor assembly for a firearm having a receiver and a barrel connected to the receiver includes a tube adapted to be coupled to the receiver and defining at least one port arranged proximate to a first end. The tube encloses the barrel defining a radial gap therebetween. Moreover, the tube extends outwardly of the barrel in a longitudinal direction defining an axial gap therebetween. The radial gap and the axial gap together define an expansion volume around the barrel. An end cap is arranged at a second end of the tube and coupled to the tube. The end cap defines an outlet opening to facilitate an exit of a bullet from the tube. Propellant gases, generated during firing of the bullet, expand inside the expansion volume and exit the tube through the at least one port.

Abstract: A sound suppressor, comprising an elongate tubular housing, a projectile entrance passage at a rearward portion of the elongate tubular housing, and a plurality of tubes positioned within the elongate tubular housing. In at least one example, the plurality of tubes may be offset from the elongate tubular housing and offset from a central axis of the elongate tubular housing.

Abstract: Provided is a firearm noise suppressor attachable to a firearm barrel. The suppressor includes a first housing attachable to a muzzle end of a firearm barrel, having a forward end first cap, and enclosing a blast chamber adjacent the muzzle end defined rearward of a barrier wall having a first axial passageway therein, a first brake chamber positioned forward of the blast chamber barrier end wall, and a first baffle module having a second axial passageway therethrough that is in axial alignment with a bore of the barrel and a plurality of longitudinally aligned separated baffle units. Each baffle unit includes a plurality of circumferentially spaced, longitudinally extending helically curved chambers with closed longitudinal ends. The helically curved chambers are in fluid communication with the second axial passageway.

Abstract: A firearm sound suppressor and associated methods. The suppressor can include first and second firearm connectors at opposite ends of the suppressor for connecting to firearm mounts of different types. The suppressor can include symmetrical baffling and/or symmetrical gas flow passaging such that sound reduction performance of the suppressor is generally the same notwithstanding whether the first or second firearm connectors is used to connect the suppressor to the firearm. A protector can be used to protect the firearm connector that is not connected to the firearm.

Abstract: Provided is a firearm noise suppressor having a baffle chamber unit with at least one dimpled recess on an outer surface thereof. An identification band with identifying indicia thereon is placed on the baffle chamber unit over the at least one dimpled recess, and an area of the band is deformed into the dimpled recess to prevent the removal of the band without a machining process.

Abstract: Shockwave suppression is accomplished by channeling a shockwave from a shockwave source, such as a firearm, into a suppression device along a propagation path, and within the suppression device, deflecting a portion of the shockwave away from the firing axis, and channeling the deflected portion through a feedback path and back to a region behind the deflected shockwave. The suppression device can be formed from one more chambers arranged within an outer wall and including baffles and inner wall sections.

Abstract: A suppressor for a firearm comprises an inner chamber providing a gases inner flow path and an outer chamber providing a parallel gases outer flow path. The suppressor is configured so that gases pressure between the inner chamber and the outer chamber is balanced along the length of the inner and outer chambers so that gases exhaust from the inner and outer chambers at substantially the same time.

Abstract: A suppressor for a firearm includes a baffle stack having an outer surface, the baffle stack comprising a plurality of baffles that define an inner chamber coaxially aligned with a central axis of the baffle stack and a projectile pathway through the baffle stack along the central axis. An outer housing is around the baffle stack and has an inner surface separated from and confronting the outer surface of the baffle stack. An outer chamber is defined between the inner surface of the outer housing and the outer surface of the baffle stack. Flow-directing structures are in the outer chamber. An end cap is connected to a distal end of the outer housing and defines a central opening aligned with the central axis.

Abstract: A suppressor for a firearm includes a casing having a front end and defining a longitudinal axis. A first plurality of baffles are inside the casing, and a front cap is downstream from the first plurality of baffles at the front end of the casing. A first retainer is connected to the casing and disposed between the first plurality of baffles and the front cap. The first retainer has an upstream surface and a downstream surface, and the first plurality of baffles, the front cap, and the first retainer define a fluid pathway along the longitudinal axis. A contoured wall extends axially upstream from the upstream surface of the first retainer and defines a plurality of damping wells in the upstream surface of the first retainer radially disposed from the fluid pathway and circumferentially separated by the plurality of apertures. The downstream surface of the first retainer is symmetrical with the upstream surface.

Abstract: A method of firearm sound and flash suppression, and a device to facilitate that method, by preventing a plurality of solid propellant particles from suspending, and separating solid propellant particles from suspension, within a plurality of gases ejected from a firearm muzzle. The method comprises temporarily detaining the solid propellant particles to burn within the device while allowing gases to flow through and exit the device with minimal turbulence and resistance. The method and the device allow the bullet to move away from the propellant solids and gases, thereby minimizing the effects of asymmetrical forces produced by the propellant solids and gases. The device comprises a plurality of features that are organized in a manner to direct the flow of gases exiting said device in a direction co-linear to the path of the bullet.

Abstract: A universal firearm shield adapted to attach to a firearm suppressor. Suppressors fail to dampen all of the effects of firearm discharge, leaving behind residual effects that may be noticeable. The shield dampens the residual effects of firearm discharge that are not captured by the suppressor. The residual effects are captured by the shield and dispersed throughout one or more interior chambers. The shield easily, quickly, and securely couples to suppressors of varying geometries due to the slidably adjustable components of the shield. The shield is configured to surround the suppressor and axially align with the suppressor. As such, the muzzle of the firearm axially aligns with the shield, the suppressor, and the barrel for an unobstructed projectile path during discharge.

Abstract: A firearm suppressor can comprise an outer shell, and a suppressor core disposed inside the outer shell. The suppressor core can have a projectile passageway for a projectile from a firearm to travel through. The projectile passageway can extend along a longitudinal axis. The suppressor core can also include a central support rib disposed along the longitudinal axis. In addition, the suppressor core can include a first baffle and a second baffle spaced apart along the longitudinal axis and supported by the central support rib. The first and second baffles can be oriented at different angles from one another. The first and second baffles and the central support rib can at least partially define the projectile passageway. The first and second baffles and the central support rib can also at least partially form two different sized expansion chambers on opposite sides of the central support rib in fluid communication with the projectile passageway to receive discharge gases associated with the projectile.

Abstract: A sound suppressor for a firearm includes a housing and a first sleeve. The housing extends along, and is disposed about, a central axis. The first sleeve is concentrically disposed within the housing and defines a plurality of first undulations disposed about the central axis. Each first undulation defines a plurality of first apertures.

Abstract: A suppressor assembly can include an external can having first and second ends. A muzzle brake can be positioned along the first end and configured to be coupled to a firearm. The assembly can include a first expansion chamber and a second expansion chamber disposed within the tubular body with a portion of the muzzle brake extending through the first and second expansion chambers. The muzzle brake can include a first muzzle chamber fluidicly coupled to the first expansion chamber and a second muzzle chamber fluidicly coupled to the second expansion chamber. Multiple baffles can be positioned within the external can between the first expansion chamber and the second end of the external can, including first and second baffle sets that each include a first baffle and a second baffle. The assembly can also include an endcap coupled to the second end of the external can.

Abstract: An apparatus implementable on a firearm includes a quick-detach (QD) handguard assembly which includes a handguard and a locking mechanism. The handguard has a hollow therein allowing the handguard to surround a barrel of the firearm with the barrel traversing through the hollow along a longitudinal axis of the handguard. The locking mechanism is coupled to the handguard. The locking mechanism includes a QD lever configured to lock the handguard to a barrel nut of the firearm and unlock the handguard from the barrel nut.

Abstract: An improved design for a suppressor which suppresses sound from a gun report as well as reduces heat transference therefrom.

Abstract: A suppressor for a firearm is disclosed. The suppressor may have a hollow elongated body extending from a proximal end to a distal end. The suppressor may also have an expansion chamber disposed within the body. The expansion chamber may extend from adjacent the proximal end to a position between the proximal and distal ends. The suppressor may have a first plurality of vanes disposed in the expansion chamber. The first vanes may be laterally spaced apart from each other along a periphery of the body. The suppressor may further have a second plurality of vanes disposed in the body. The second plurality of vanes may be axially spaced apart from the first vanes. The tips of the first and second plurality of vanes may define a generally cylindrical passageway disposed coaxially with the body.

Abstract: A silencer for a gun includes an inner end housing adapted to be coupled to a gun, an outer end housing coupled to the inner end housing and defining an axial axis, a baffle holder disposed inside the inner end housing and the outer end housing, the baffle holder having at least two slots spaced axially along the axial axis, and at least two baffles disposed in the at least two slots of the baffle holder, one of the at least two baffles being disposed in one of the at least two slots, the at least two baffles having an aperture extending axially therethrough to allow a bullet fired from the gun to pass therethrough.

Abstract: A firearm sound suppressor and associated methods. The suppressor can include first and second firearm connectors at opposite ends of the suppressor for connecting to firearm mounts of different types. The suppressor can include symmetrical baffling and/or symmetrical gas flow passaging such that sound reduction performance of the suppressor is generally the same notwithstanding whether the first or second firearm connectors is used to connect the suppressor to the firearm. A protector can be used to protect the firearm connector that is not connected to the firearm.

Abstract: A sound suppressor for a firearm includes an enclosure enclosing at least a portion of a barrel of the firearm. An intermediate member is coupled to an outer end of the barrel and includes a base member, ring member and a plurality of extension members therebetween. The base member is positioned proximate the intermediate member inner end and includes a through-hole extending longitudinally therethrough. The ring member is positioned proximate the intermediate member outer end. A space between the plurality of extension members forms a chamber. The sound suppressor also includes a flash hider coupled to the intermediate member outer end. The flash hider includes a plurality of baffles extending radially and spaced apart longitudinally from the flash hider inner end to the flash hider outer end, and a plurality of open channels formed between the plurality of baffles. The intermediate member and flash hider are enclosed within the enclosure.

Abstract: The present invention pertains in general to a suppressing apparatus for the suppression of audible, visible and infrared profiles in the operation of firearms and weapon systems. Embodiments of the invention include the use of a substantially cylindrical component having a helical opening for the dispersion of gasses in conjunction with channels and volumes configured to carry the gasses along the length of the suppressing apparatus toward a distal aspect and toward a proximal aspect alternatively.

Abstract: A firearm suppressor includes a muzzle mount; blast, intermediate and distal baffle cups; a distal end cap; and a shroud. The muzzle mount, baffle cups, and end cap thread together at threaded interfaces. Each baffle cup has an externally threaded proximal segment threadably received in the proximally adjacent component. The distal baffle cup has an externally threaded distal segment received in the end cap. The components are shaped and arranged to form sealed interfaces upstream of the threaded interfaces along the flow path of gas through the suppressor. The baffle cups include baffle walls defining chambers sized and arranged to limit first round pop. The baffle walls define vent passages extending along axes oriented at skew angles with respect to the axes of the baffle cups. A distal baffle cup includes an annular recess for reducing the weight of the suppressor adjacent the distal end.

Abstract: One or more ram accelerator devices may be used to form one or more holes in geologic or other material. These holes may be used for drilling, tunnel boring, excavation, and so forth. The ram accelerator includes one or more baffles that are downhole. The ram accelerator devices propel projectiles which are accelerated by combustion of one or more combustible gasses in a ram effect to reach velocities exceeding 500 meters per second. An endcap may be deployed within a tube of the ram accelerator device to prevent incursion of formation pressure products such as oil, water, mud, gas, and so forth into a guide tube of the ram accelerator. The endcap may be maintained in place within the hole at least in part by the one or more baffles. During operation the projectile penetrates the endcap and at least a portion thereof impacts a working face.

Abstract: A noise suppression device for use with a firearm includes a body including an outermost external surface of the noise suppression device, an internal portion, a first end, and a second end; and a core seamlessly connected to the internal portion of the body, wherein the noise suppression device includes no joints, no seams, or any formerly separate pieces within the body or the core, and a porosity of a first portion of the body that is adjacent to the first end is different than a porosity of a second portion of the body that is adjacent to the second end. Alternatively, the core includes a plurality of baffles, and a porosity of a first baffle that is adjacent to the first end is different than a porosity of a second baffle that is adjacent to the second end.

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: A firearm sound suppressor and associated methods. The sound suppressor includes a distal end wall and a flash hider on the distal end wall for reducing flash at an outlet of the suppressor. The sound suppressor can include a core including gas baffling integrally formed with the distal end wall and the flash hider. The flash hider can include a plurality of arms having slots therebetween and extending distally away from the distal end wall.

Abstract: A suppressor assembly for a firearm includes a diffusor assembly with a body extending along a central axis. At least one diffusor baffle extends across an inside of the body in a direction transverse to the central axis. The diffusor baffle defines a diffusor central opening and a plurality of outer diffusor openings positioned radially outside the diffusor central opening. Signature-reduction baffles include a first baffle portion that extends across the inside of the body and that defines a central baffle opening and a baffle port positioned radially outside of the central baffle opening. A second baffle portion is connected to the first baffle portion opposite the baffle port and radially outside of the central baffle opening. The second baffle portion extends at an angle to the body sidewall.

Abstract: A parallel path firearm sound suppressor assembly is provided for use in suppressing a plurality of noises and a visible flash generated by the release of gases that is generated by burning solid propellant from a firearm muzzle. A parallel path firearm sound suppressor assembly is provided that comprises an outer sleeve, a base, and a monolithic baffle for use in trapping burning and unburned propellant, and thus, distributing heat to avoid damage to said parallel path firearm sound suppressor assembly.

Abstract: An integral sound suppressor for a gun barrel, with the integral sound suppressor including a tubular housing designed for nearly completely or completely encasing the gun barrel along its longitudinal direction with an internal thread disposed inside the housing for mounting the integral sound suppressor on an external thread disposed on the muzzle of the gun barrel. Disposed inside the housing is a deflector system for deflecting the gas generated by firearm discharge, and disposed on the housing is a guide surface which is spaced at a distance from the internal thread along the longitudinal direction of the housing for guiding the integral sound suppressor in the region of the front end of the gun barrel.

Abstract: A firearm noise suppressor comprising a plurality of axially aligned cups or hollow members constructed of fibrous material impregnated with an epoxy resin cooperatively forming a plurality of chambers encased in an outer sleeve and a method for producing the firearm noise suppressor comprising the steps of individually forming each of the cups or hollow members from a fibrous material having a centrally disposed aperture formed therethrough, impregnating each cup or hollow member with epoxy resin, placing each impregnated fibrous cup or hollow member on an alignment tool by aligning the centrally disposed apertures of the plurality of fibrous hollow members on the alignment tool such that each fibrous cup or hollow member contacts the next adjacent fibrous cup or hollow member, encasing the plurality of fibrous cups or hollow members in the outer sleeve with an epoxy resin to bond the fibrous cups or hollow members together to form the firearm noise suppressor and removing the firearm noise suppressor from t

Abstract: A silencing mechanism of a pneumatic tool, disposed in an exhaust pipe of the pneumatic tool, includes an annular wall extending along the exhaust pipe, enclosing a first space, and having a plurality of first slits whereby the first space and a second space formed between the annular wall and a pipe wall of the exhaust pipe are in communication with each other; and at least one flange disposed around the annular wall and protruding radially to partition the second space into a plurality of segments, wherein the at least one flange each has a plurality of second slits whereby adjacent segments are in communication with each other. A gas current not only flows freely between the first and second spaces through the first slits but also flows within the second space and passes the second slits, thereby reducing noise.

Abstract: A compact silencer (suppressor) device for a firearm comprising of multiple chambers which trap the gases from a projectile exiting the barrel of a gun to slow down the gases and reduce the temperature, sound, and flash associated with the projectile. In one embodiment, the first chamber which attaches to the barrel of the firearm comprises of sound baffling materials or gas porting baffles which vent gases from the second chamber passing rearward. The second chamber comprises of a chamber which can accommodate a retractable third chamber of the device, the second and third chamber of the device can have sound baffles to slow down the gases from the projectile.

Abstract: The invention relates to a gun, especially an air gun or firearm, comprising a barrel arrangement (1) that has at least one barrel element (2) forming at least part of a barrel of the gun, and a silencer element (3) that is or can be fastened to the barrel element (2); in order for the silencer element (3) to be fastened to the barrel element (2), at least one clamping element (12) that can be or is fastened within the silencer element (3) is used to be able to axially clamp or axially clamp the silencer element (3) against at least one contact element (5) located or formed on the barrel element (2).

Abstract: A firearm noise suppressor attachable to the muzzle of a barrel having a longitudinal bore axis. It includes a housing with an outer wall, a forward end wall, and a rearward end wall. The rearward end wall attaches to a firearm barrel and the forward end wall includes an outlet opening aligned with the longitudinal bore axis. A blast chamber is defined at least in part by the rearward end wall, the outer wall, and a blast baffle. At least a second baffle is situated forward of the blast baffle and supported at a periphery by the outer wall. A plurality of circumferentially spaced apart helical blast vanes in the blast chamber impart a rotational flow to propellant gas.

Abstract: In some embodiments, a monolithic extended bolt release (EBR) for a rifle includes a rifle mount including a pin aperture for securing the EBR to the rifle case/housing, a bolt stop plate integrally formed with the rifle mount for stopping the rifle bolt, and an extension arm integrally formed with the rifle mount and bolt stop plate. The extension arm includes a vertical straight arm extending from the rifle-mounting part to a trigger opening when the EBR is mounted on a rifle, and a horizontal straight arm connected to the vertical straight arm and passing through the trigger opening. A right-handed rifle user can release the bolt by pressing with finger(s) on the EBR on the right of the rifle, pivoting the EBR about the mounting pin, lowering a bolt stop plate of the EBR and allowing release of the bolt and reloading of the rifle. The EBR design displays superior reliability over extended periods of use in harsh conditions.

Abstract: A noise suppressor having a mounting system for releasably mounting the noise suppressor to a flash hider mounted to the barrel of a host firearm. The noise suppressor mounting system includes a stabilizing ring that engages the distal end region of the flash hider to help stabilize the mounting of the noise suppressor to the flash hider.

Abstract: A firearm having an integral recoil booster including a pair of bushings and spring positioned to interact with an integral firearm compensator; a quick detach mount for one or more suppressor baffles; and one or more suppression baffles. As configured, the integral recoil booster also generates additional force ensuring contact at a slide/barrel interface. A monolithic suppressor may also be used with the quick detach mount.

Abstract: One example of a sound suppressor for a firearm includes a tubular housing and a plurality of individual tubular baffle elements that fit within the tubular housing to form a baffle assembly having a symmetrical or an asymmetrical baffle structure. Different examples of the tubular baffle elements may abut each other or may interlock with each other. Another example of the sound suppressor includes an outer housing that resists passage of heat therethrough.

Abstract: A firearm overpressure reduction system is disclosed having a muzzle that further includes a converging section, a throat section and a diverging section. The converging section is in direct communication with the throat section that is in direct communication with the converging section. The converging section has a converging parabolic arrangement and the diverging section has a diverging parabolic arrangement that leads to an exit area for a bullet fired. Another system and methods are also disclosed.

Abstract: A silencer can include an aligned baffle assembly with a series of baffles that are configured and/or adapted to be readily and substantially completely aligned to facilitate construction and assembly of the baffles in a desired rotational orientation so as to define a baffle core for the silencer, while also facilitating the quick and easy removal and disassembly of the baffle core from the silencer body for cleaning and/or maintenance thereof.

Abstract: The present invention pertains in general to the suppression of firearm and weapon systems to mitigate audible, visual and temperature profiles when in use. Embodiments of the invention include the use of a baffle system surrounded by a sleeve, further surrounded by an outer housing. The combination of these elements creates a multi-volume device providing increased expansion volume within the device to mitigate firearm signature related to the expansion of gasses exiting the muzzle-end of a firearm.

Abstract: Examples include a threaded coupler for connecting two portions of a firearm sound suppressor housing together. The threaded coupler includes a sound suppressing baffle. Using the coupler and its integrated baffle provides additional sound suppression compared to sound suppressors with other types of connectors between housing portions.

Abstract: Muzzle device for a projectile-firing device, comprising:—a body adapted to be fixed at a muzzle of a projectile firing device and comprising an axial passageway for permitting the passage of a projectile leaving said muzzle along an axis in a forwards direction and at least one lateral port having an inner end opening into said passageway and an outer end opening at an outer surface of said body, said lateral port having a proximal wall and a distal wall, said proximal wall being situated closer to said muzzle than said distal wall, wherein said distal wall comprises, considered in a plane containing said axis and a midline of said lateral port:—a first distal wall portion having a concave cross-section;—a second distal wall portion adjacent to said first distal wall portion and having a convex cross-section;—a third distal wall portion adjacent to said second distal wall portion and having a concave cross-section; and—a fourth distal wall portion adjacent to said third distal wall portion and having a conve

Abstract: The present disclosure relates to a firearm barrel assembly comprising: a barrel; a sleeve disposed within and spaced apart from the barrel and forming a chamber between the inner surface of the barrel and the outer surface of the sleeve; and a sound suppression assembly disposed within the sleeve and comprising at least one vent aperture in communication with the chamber such that shear and expanding gases from a fired bullet are directed into the chamber.

Abstract: A firearm having an integral recoil booster including a pair of bushings and spring positioned to interact with an integral firearm compensator; a quick detach mount for one or more suppressor baffles; and one or more suppression baffles. As configured, the integral recoil booster also generates additional force ensuring contact at a slide/barrel interface. A monolithic suppressor may also be used with the quick detach mount.

Abstract: A firearm barrel with non-metal outer sleeve preferably includes an elongated tube, a first non-metal tube, a second non-metal tube, a sleeve nut and a coupler bushing. A first raised sleeve support section and a raised coupler section are formed on the elongated sleeve. The raised coupler section is formed in substantially a middle of the elongated tube. The bushing inner diameter is sized to slidably receive an outer diameter of the raised coupler section. The first and second non-metal tubes include a tube inner diameter and a plurality of openings formed through a wall thereof. The tube inner diameters are sized to slidably receive an outer diameter of the first raised sleeve support section and each end of the coupler bushing. The sleeve nut retains the first and second non-metal tubes and the coupler bushing on the elongated tube.

Abstract: A sound suppression device for a firearm includes an inner core and an outer tube surrounding the inner core. The inner core defines a central chamber extending the length of the inner core and has axially spaced baffles that define expansion chambers in fluid communication with the central chamber that enable hot gases generated by the firearm to expand and cool. A cover disposed between the outer tube and the inner core closes the expansion chambers and separates the expansion chambers from the outer tube.

Abstract: Comprises at least, a stock, a trigger mechanism and a barrel (1) partially covered over by over-moulded or over-injected material (2), defining therefore by said over-moulded or over-injected material (2) a first area or housing (3) for the mounting of a sound suppressor (4) following up or alongside the barrel (1) and a second area (8) at least wrapping around the part of the barrel (1), and that the sound suppressor (4) comprises: an inlet (5) wherein the barrel (1) is situated, comprising a support (7) of diameter equal to second area (8) on which it is fitted, with perforations (18) that connect said second area 8 with first area or housing (3) and an outlet (6) that comprises an attached stop (9).

Abstract: Flash suppressors having at least one contracting and then expanding burn chamber are described. The contracting and then expanding burn chamber may include one or more ribbed surfaces that enhance burning of propellant gasses and ambient oxygen before the gasses exit the flash suppressor. In some examples, a burn chamber may include a spirally threaded inner and/or outer surface, which swirls and cools the propellant gasses to enhance burning before the propellant gasses exit from the flash suppressor.