Abstract: A firearm suppressor with an integral muzzle brake that combines elements of muzzle brake, which comprises a plurality of radial/lateral ports that divert the high pressure propellant gas at an angle approximately perpendicular to the travel of the projectile thus reducing the recoil, with elements of a suppressor, which employs a plurality of axial baffles, each of which reduces the pressure, velocity and temperature of the propellant gas and before the gas is exhausted thus reducing the noise. Each individual axial stage has multiple subsequent radial/lateral chambers such that each axial stage has elements of a complete suppressor. Multiple expansion chambers each have an orifice connecting one expansion chamber to the next, and eventually vents to the external atmosphere. The exhaust port vents to the atmosphere and is directed radially or can be directed rearward to even further reduce the recoil in a similar fashion to a muzzle brake.

Abstract: A firearm suppressor for use with a firearm includes a sleeve, an end cap, a baffle, a first exhaust passage, and a second exhaust passage. The sleeve has an inlet end, an outlet end, an interior volume, and an interior surface. The baffle is received in the sleeve and has an annular body with a central passage through the annular body. The first exhaust passage extends along a longitudinal axis of the sleeve and through the central passage of the baffle and allows gas to exit to the exterior of the sleeve. The second exhaust passage has a plurality of distinct exhaust gas channels. The distinct exhaust gas channels provide separate flow paths for exhaust gas to exit to the exterior of the sleeve.

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 core of a gun moderator is disclosed and includes an outer portion and an inner portion. The outer portion includes a first opening positioned to receive a projectile from a barrel of the gun, and a first surface facing an exterior of the outer portion and comprising a first number of surface openings and a first number of protrusions. The inner portion is disposed within the outer portion and includes a second opening positioned to receive the projectile, and a second surface facing an exterior of the inner portion and comprising a second number of surface openings a second number of protrusions. The inner portion also includes at least one channel connecting an interior of the inner portion to an opening of the first number of openings.

Abstract: The disclosure relates to a firearm suppressor including a multi-material baffle configured to reduce at least audible discharge and muzzle flash. For example, a cone insert of the baffle may be formed of a first material, and a tubular member of the baffle may be formed of a second material different from the first material. The baffles may include a proximal circumferential flange having a plurality of through-wall ports through which fluid may be directed into a chamber defined by exterior surfaces of the baffles and the interior surface of an external can. The disclosure also relates to a firearm suppressor endcap having a plurality of through-wall ports radially disposed on a tubular body of the endcap, and a conical ramp configured to direct fluid across the conical ramp and through the plurality of through-wall ports of the endcap during operation of the suppressor.

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 extending along 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 defines an outer volume between the outer housing and the baffle stack. Structures and openings in the suppressor promote a sinuous gas flow path through the inner chamber that enhances turbulent flow within the suppressor and reduces backpressure as desirable when used with a machine gun.

Abstract: A barrel unit for a firearm, including a barrel with a barrel axis, muzzle and a barrel end opposite the muzzle, on which at least two barrel lugs are formed, and a barrel extension with a barrel receptacle and a first end and a second end, wherein inwardly extending locking lugs are formed on the first end, to work together with a bolt, and inwardly extending barrel locking lugs are formed closer to the second end than the locking lugs. A barrel cam on the outer surface cooperates with a cam lug arranged on the barrel extension to fix the barrel in a predefined end position.

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

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 suppressor, an integrally suppressed barrel system, and a method for coupling a suppressor to a firearm barrel are provided. In an embodiment, a suppressor is configured to have two distinct fittings, each of which provides a point of contact for coupling with a firearm barrel. The suppressor or integrally suppressed barrel system may comprise an expansion chamber with an expansion chamber baffle and wire mesh to alter the sonic characteristics of a report associated with the discharging of a firearm. In some embodiments, the expansion chamber baffle may be movable, allowing for modification to the sonic properties of a cold bore shot vis-à-vis subsequent shots. The method for coupling the suppressor to the firearm barrel includes engaging first and second threaded portions of the firearm barrel with corresponding threaded inner surfaces of first and second suppressor fittings.

Abstract: An airgun moderator employing a stack of acoustic baffles fabricated from fibrous polymeric felt, which degrades in the presence of gunpowder combustion temperatures, thereby providing an effective airgun sound moderator that us ineffective as a firearms silencer.

Abstract: A firearm muzzle attachment mechanism includes a muzzle device; a tapering adapter having an outer tapering end configured to connect with the muzzle device; a hollow adapter having an internally threaded portion and configured to receive the muzzle device; a muzzle attachment having an inner tapering end configured to connect with the outer tapering end of the tapering adapter; and a means for providing tension being received in a receiving slot formed on the muzzle attachment.

Abstract: A device for reducing airborne and structure-borne sound has a flow channel with a flow channel wall (22, 22?, 22?) and at least one resonator chamber (40, 40?, 40?) adjacent the flow channel wall (22, 22?, 22?). The flow channel wall is formed by a sound absorber (30, 30?, 30?) at least in a part bordering the resonator chamber (40, 40?, 40?). The sound absorber (30, 30?, 30?) is covered towards the resonator chamber (40, 40?, 40?) by an acoustically reflecting inner wall (42, 42?, 42?) of the resonator chamber with at least one wall aperture (44, 44?, 44?). Openings (32, 32?, 32?) completely covers the wall aperture (44, 44?, 44?) of the inner wall (42, 42?, 42?) of the resonator chamber such that sound waves flowing through the flow channel must pass the sound absorber (30, 30?, 30?) to enter the resonator chamber (40, 40?, 40?).

Abstract: Suppressors for firearms are disclosed. In some embodiments, a suppression core comprises an annular cylinder surrounding a center bore, and a baffle structure surrounding the annular cylinder. The annular cylinder and the baffle structure are concentric. The baffle structure comprises a triply periodic minimal surfaces (TPMS) structure. At a transition between the annular cylinder and the baffle structure, a plurality of first openings in the annular cylinder form continuous paths with a plurality of second openings in the baffle structure. In some embodiments, a suppression core comprises an annular cylindrical shape having a center bore, the suppression core comprising a TPMS structure. The TPMS has walls within the TPMS structure. A wall thickness of the walls of the TPMS structure or a unit cell size of the TPMS structure varies within the suppression core.

Abstract: Embodiments of the present disclosure include a moderator having a housing configured to attach to an air gun. The housing includes a first material configured to yield and/or fracture in response to exposure to at least one of a pressure level resulting from discharging a firearm and/or a temperature resulting from discharging a firearm and a number of openings positioned in proximity to an end of the housing. The moderator also includes a number of plugs. Each plug includes a second material configured to yield and/or fracture in response to exposure to at least one of a pressure level resulting from discharging a firearm and/or a temperature resulting from discharging a firearm. Each opening of the number of openings is configured to receive a plug of the number of plugs.

Abstract: A muffler includes an exhaust pipe, a shell, and a cover. The exhaust pipe includes communication holes and is configured to allow an exhaust gas to flow through an interior of the exhaust pipe. The shell is disposed outside the communication holes to cover the communication holes. The cover has a tubular shape. The cover is disposed between the exhaust pipe and the shell. The cover is disposed at a distance, which is specified in advance, from the exhaust pipe.

Abstract: An apparatus is disclosed for a firearm suppressor. In certain examples, the firearm suppressor includes an outer cylinder defining a longitudinal axis, and an inner cylinder having an inner chamber, where the inner cylinder is disposed at least partially within the outer tube and defines an outer chamber with the outer cylinder, where the outer chamber is disposed between an inner surface of the outer cylinder and an outer surface of the inner cylinder. The suppressor also includes a reversing baffle disposed at one end of the inner cylinder and configured to reverse a flow of gasses from the inner chamber and direct the gasses into the outer chamber, and at least one reverse flow pathway comprising a reverse section and a forward section, and where the at least one reverse flow pathway fluidly couples the inner chamber with an end cap.

Abstract: A suppressor for a firearm comprises an inner chamber through which a projectile fired by the firearm passes along a projectile pathway through the suppressor. The suppressor further comprises a first baffle, a plurality of apertures at an outer perimeter of the first baffle, and a plurality of inner baffles spaced apart along the length of the inner chamber between the first baffle and an exit end of the suppressor. The side wall of the first baffle is configured to direct a flow of gases received from the firearm through the plurality of apertures at the outer perimeter of the first baffle, and the side wall of each inner baffle is an asymmetric side wall.

Abstract: A sound suppressor for use in firearms, internal combustion engines, and numerous other sound-generating devices includes a structure having a plurality of ports, openings, or orifices which function as whistles and which suppress sound from a source of the sound using destructive interference. A combination of varying distances between components is configured for delaying the wave from one port or whistle to the next, so that the whistles are partially out of phase with respect to time, and placing the orifices of the whistles a certain distance apart to compensate for the remaining phase difference in order to create the desired destructive interference.

Abstract: The disclosure relates to a firearm suppressor including a multi-material baffle configured to reduce at least audible discharge and muzzle flash. For example, a cone insert of the baffle may be formed of a first material, and a tubular member of the baffle may be formed of a second material different from the first material. The baffles may include a proximal circumferential flange having a plurality of through-wall ports through which fluid may be directed into a chamber defined by exterior surfaces of the baffles and the interior surface of an external can. The disclosure also relates to a firearm suppressor endcap having a plurality of through-wall ports radially disposed on a tubular body of the endcap, and a conical ramp configured to direct fluid across the conical ramp and through the plurality of through-wall ports of the endcap during operation of the suppressor.

Abstract: The disclosed Integrated Barrel and Muzzle Device System (IBMDS) is a firearm suppressor having an interchangeable projectile tube attached to a muzzle endcap and to a gas block endcap proximal a threaded muzzle of the firearm. The disclosure also includes a suppressor tube body configured to receive the muzzle endcap and the gas block front endcap located against a distal face of the threaded muzzle. The disclosure additionally includes a suppressor element received into the suppressor tube body proximal the muzzle endcap, wherein the suppressor element channels propellant gases from openings defined in the interchangeable projectile tube through an array of open cells.

Abstract: A multi-core suppressor for a firearm. The multi-core suppressor includes a housing having a first and second ends and a central main core positioned within the housing. The central main core has a first end, a second end, and a longitudinal centerline with a plurality of central baffle portions positioned adjacent to the longitudinal centerline and a projectile path through the central baffle portions. The multi-core suppressor includes a first side core positioned between the housing and a first side of the central main core and a second side core positioned between the housing and a second side of the central main core. The first side core has a plurality of first side baffle portions and the second side core has a plurality of second side baffle portions. The first and side baffle portions engage the central baffle portions to form a plurality of baffles positioned within the housing.

Abstract: A suppressor shielding system suppressor shielding system having a heat shield element, a thermal barrier, a heat shield mount, and a mounting collar. In certain exemplary embodiments, the mounting collar is formed so as to be attached or coupled to a firearm handguard. Alternatively, the mounting collar is formed so as to be attached or coupled to a firearm barrel.

Abstract: A suppressor for a firearm barrel and a barrel guard includes a primary expansion chamber and a plurality of secondary expansion chambers comprising a volume of the firearm suppressor. A plurality of fins formed into an exterior wall of the suppressor is in an intimate contact with the barrel to increase a heat transfer to an atmosphere around the suppressor. A additionally plurality of ribs is formed into the volume of the suppressor to increase a heat transfer therefrom. A plurality of holes is configured along the barrel guard to penetrate the barrel guard and promote atmospheric cooling of the barrel and the suppressor.

Abstract: A firearm suppressor is disclosed. In certain examples, the firearm suppressor includes an elongated core comprising at least one series of ports extending radially from a bore to an exterior surface of the core, where the at least one series of ports is disposed linearly along a longitudinal axis of the core, and where the elongated core comprises at least one annular channel formed in the exterior surface of the core and disposed between adjacent pairs of the ports. The firearm suppressor may also include a baffle sleeve disposed around the core, the baffle sleeve having at least one uninterrupted fluid pathway extending along the exterior surface of the baffle sleeve and formed by interdigitated baffle ridges, and an outer tube disposed around the baffle sleeve.

Abstract: Suppressors and baffles therein provide for sound and/or flash suppression of a firearm. The baffles include a first cone portion, a second cone portion, and a neck connecting the first cone portion and the second cone portion. The first cone portion and second cone portion define a passageway through which hot gases and a bullet may be expelled through and out of the suppressor. The first cone portion directs at least some expelled gases around the outer edge of the first cone portion and to the neck and second cone portion. The second cone portion together with a suppressor body block movement of the expelled gases. A port in the neck allows the expelled gases blocked by the second cone portion to escape toward the passageway to disrupt the flow of the expelled gases and thereby further suppress the sound and/or flash.

Abstract: An apparatus is provided for a firearm suppressor. The apparatus includes an outer tube defining a longitudinal axis, and an inner cylinder defining an inner chamber. The inner cylinder is disposed at least partially within the outer tube and defines an outer chamber with the outer tube, where the outer chamber is disposed between an inner surface of the outer tube and an outer surface of the inner cylinder, and where the inner cylinder comprises at least one opening to fluidly couple the inner chamber with the outer chamber. The apparatus also includes at least one flow structure disposed in the outer chamber and positioned to direct firearm combustion gasses in a fluid pathway that is off-axis with respect to the longitudinal axis.

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: 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: A firearm suppressor (1) also known as a moderator includes a number of coaxially joined steel baffles (20,40,60) for dissipating discharge gasses. Each baffle can have an internal funnel structure (30) having a central aperture (31) through which the firearm projectile passes. Adjacent funnel structures form interconnected primary and secondary chambers connected by a port (28) through a flange (37) separating the chambers. A notch (36) in the central aperture of one funnel structure directs flow toward the port (48) on the diametrically opposite side of the next funnel structure. A radial hole (29) through the funnel structure connects successive primary and secondary chambers. The flange is axially located to be radially inward from an overlapping joint between two adjacent baffles in order to provide structural support to the joint.

Abstract: A baffle for sound suppression, the baffle including a conical portion, a base portion, a lumen, and a cavity. The conical portion has a first end, a second end, and an outer surface extending from the first end to the second end and the base portion has a first surface and a second surface, the first surface and second surface being directed away from each other. The lumen has an inner surface and inner lip, the inner surface extending from the first end of the conical portion to the second surface of the base portion and the inner lip extending outwardly from and circumferentially around the inner surface and the cavity located between the first end and the second end of the conical portion and extending from the outer surface of the conical portion to the inner surface of the lumen.

Abstract: Firearm silencers have an elongated body defining an interior space and having a rear end with a mounting facility, and a forward end defining an exit aperture, the elongated body defining a plurality of baffle receptacles in the interior space, a first set of baffles received in some of the baffle receptacles, at least a second set of baffles received in some of the baffle receptacles, at least some of the baffles of the first set defining a bullet passage having a first diameter, at least some of the baffles of the second set defining a bullet passage having a different second diameter, and the baffle receptacles configured to securely receive all of the baffles of the first and second sets, all of the baffles of the first set and none of the second set, and all of the baffles of the second set and none of the first set.

Abstract: A firearm silencer includes a substantially cylindrical outer sheath having a first end and a second end, a barrel hole in the first end of the outer sheath, a damping element inside said outer sheath and connection means for connecting the silencer to a firearm barrel. The connection means include at least one clamping surface adapted to be pressed against the outer surface of said barrel. Further said connection means comprise a locking frame, at least one mounting lever hingedly connected to the locking frame and a twisting device functionally connected to the mounting lever for turning the mounting lever. At least one clamping surface is integrated to the mounting lever. Functional connection with the twisting device is arranged in a way that the mounting lever can by turned by using the twisting device.

Abstract: Noise suppressors for firearms are disclosed, having a cylindrical body extending along a longitudinal direction, a chamber having an annular cylindrical shape, and a suppression core in the chamber. The chamber has an outer diameter defined by an inner surface of the body, an inner diameter forming a center bore, and a length along the longitudinal direction. The suppression core has a triply periodic minimal surfaces (TPMS) structure. A wall thickness or unit cell size of the TPMS structure may vary along longitudinal or radial directions. The suppression core may have an inner portion and an outer portion, where at a transition between the inner and outer portions, a plurality of first openings in the inner portion and a plurality of second openings in the outer portion have a parameter that matches in size with each other, and the first and second openings are approximately aligned with each other.

Abstract: A firearm suppressor has a tube and a baffle stack carried within the tube. A first stack portion has a first inner volume defined by a first inner wall having a first diameter. A second stack portion has a second inner volume defined by a second inner wall having a second diameter unequal to the first diameter, the second stack portion being located forward of the first tube portion. A first outer volume has a first radial thickness formed between the first inner wall and the tube, and a second outer volume has a second radial thickness formed between the second inner wall and the tube. Vents in at least one of the stack portions allow gases and particulates to flow between the inner and outer volumes.

Abstract: A fast-attaching, self-aligning, easily adaptable and preferably tool-less suppressor adapter. The novel adapter attaches to the barrel of a firearm while precisely aligning the barrel and adapter using a set of compression feet equidistantly spaced around the perimeter of the adapter. The device is adapted to attach to a wide range of barrel diameters via an easy to fit and inexpensive to manufacture fitment sleeve. Thus, the adapter can be manufactured in a single size and work with most firearms. In addition, the device attaches to the smooth section of barrel thereby eliminating the need for permanently modifying a firearm by threading the barrel.

Abstract: A muzzle device mounting system having an outer collar; an inner collar attached or coupled to the outer collar, wherein the outer collar is in a fixed rotational position relative to the inner collar; a muzzle device positioned at least partially between the inner collar and the outer collar, wherein the muzzle device is rotatable relative to the outer collar and the inner collar; and a pawl lever pivotably positioned relative to the outer collar and the inner collar, wherein the pawl lever includes an engagement surface for engaging one or more splines of a muzzle adapter, and wherein the pawl lever is slidable relative to the outer collar and the inner collar along a longitudinal axis of the outer collar and the inner collar.

Abstract: A firearms suppressor assembly is disclosed. The firearms suppressor assembly includes a blast chamber for receiving a bullet and a gas discharge from a fired round. The firearms suppressor has at least one machine rail receiver to removably couple with the at least one machine rail of the barrel when the suppressor is mounted on the barrel. The firearms suppressor also has at least one suppressor muzzle brake port opening through a first internal wall of the suppressor. The firearms suppressor having a longitudinal baffle having a multiple leg longitudinal run about the outermost periphery of the suppressor, the longitudinal baffle receiving a portion of the gas discharge from the at least one suppressor muzzle brake port and direct it toward a plurality of expulsion ports at a front of the suppressor.

Abstract: Disclosed is an integrally suppressed barrel which in an embodiment includes a firearm barrel, an outer sleeve, a front end cap, and a plurality of mesh layers. The firearm barrel has at least one set of hole groups to provide venting of propellant gas to a first space between the firearm barrel and the outer sleeve. At least one hole of at least one of the sets of hole groups is sized and threaded to mate with a removable socket head plug and are configurable by the user to vent, or to not vent, based both upon attributes of the ammunition desired for use and upon the desired degree of suppression. The holes of the at least one set of hole groups are elements of an open path for the gas, from behind a fired projectile, to outside the integrally suppressed barrel, as the projectile traverses the bore of the firearm barrel. Movement of the gas vented from forward holes dampens movement of the gas vented from rear holes. The plurality of mesh layers is located in the first space.

Abstract: A suppressor heat shielding system, including at least some of a suppressor heat shield having an internal cavity sized to allow at least a portion of a suppressor to be at least partially contained therein, wherein a sealed heat shield cavity is formed between at least a portion of an interior surface and at least a portion of an exterior surface of the suppressor heat shield, and wherein a vacuum is created within the heat shield cavity; an externally threaded support ring attached or coupled to a first end of the suppressor heat shield, wherein one or more support ring air gaps are formed through the support ring element; a heat shield cap having one or more gas apertures formed therethrough abutted against a second end of the suppressor heat shield; and a heat shield nut abutted against at least a portion of the heat shield cap.

Abstract: Methods and systems are provided for a sound suppressor adapted to be operable with all manners of firearm, including autoloading firearms. In one example, a sound suppressor comprises a unitary single-piece body configured with centrally aligned baffle chambers circumferentially surrounded by exhaust gas chambers.

Abstract: A suppressor, an integrally suppressed barrel system, and a method for coupling a suppressor to a firearm barrel are provided. In an embodiment, a suppressor is configured to have two distinct fittings, each of which provides a point of contact for coupling with a firearm barrel. The suppressor or integrally suppressed barrel system may comprise an expansion chamber with an expansion chamber baffle and wire mesh to alter the sonic characteristics of a report associated with the discharging of a firearm. In some embodiments, the expansion chamber baffle may be movable, allowing for modification to the sonic properties of a cold bore shot vis-à-vis subsequent shots. The method for coupling the suppressor to the firearm barrel includes engaging first and second threaded portions of the firearm barrel with corresponding threaded inner surfaces of first and second suppressor fittings.

Abstract: A fastening device is provided for fastening a weapon accessory to a firearm, in particular a hand-held firearm, and to a weapon accessory having a fastening device according to the invention. The weapon accessory is in particular a silencer or a tactical light. The fastening device has a fastening rail, wherein at the rear end of the fastening rail a support surface is formed which rests at least partially on the front end of the trigger of the firearm when the fastening device is fastened to the firearm.

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: An integrally suppressed firearm in one embodiment includes a rear firing portion defining an axial projectile bore and front suppressor portion. The suppressor portion includes a longitudinal stack of sound suppression baffles each defining a gas expansion chamber in fluid communication with the projectile bore. A mounting rod extends rearward from a front end cap of the suppressor portion and threadably engages a mounting adapter that removably couples the suppressor portion to the firing portion. A muzzle cap disposed inside a rearmost baffle removably couples the mounting adapter to the firing portion. When tightened, the rod axially compresses the baffle stack and forms a combustion gas tight enclosure without need for an additional external pressure retention tube or sleeve. The baffles are configured to form a press-fit frictional interlock with each other such that the baffle stack is self-supporting. An optional accessory rail may be coupled to the adapter.

Abstract: A firearm suppressor is adapted to convert from an over-barrel configuration to a muzzle-forward configuration. The firearm suppressor includes a core assembly that has a removable expansion chamber that can be included in the over-barrel configuration and removed in the muzzle-forward configuration. The firearm suppressor can be converted from the over-barrel configuration to the muzzle-forward configuration by removing the core assembly from a first hollow sleeve, removing the expansion chamber and inserting the core assembly into a shorter second sleeve.

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 suppressed pistol has a breech block and a slide mounted on a frame. The breech block and slide are separate pieces, movable relatively to one another and the frame. A link extends between the breech block and the frame. The link carries a cam and a cam follower. The cam follower on the link engages a cam on the frame, the cam on the link engages a cam follower on the slide. Action between the cams, cam followers and the link causes separation between the breech block and the slide during operation of the pistol. The suppressor includes a container having baffle plates with truncated cones defining openings offset from the geometric centers of the baffle plates.

Abstract: A firearm suppressor configured to be attached to a muzzle of a firearm is disclosed. Further, the firearm suppressor may include a sleeve configured to envelop a suppressor body. Further, the sleeve may include at least one layer. Further, the at least one layer may be constructed, at least in part, of a flexible material. Further, the firearm suppressor may include the suppressor body. Further, the suppressor body may extend between a first end and a second end. Further, the first end may include a first suppressor opening. Further, the first end may be configured to be physically coupled to the muzzle of the firearm. Further, the second end may include a second suppressor opening configured to provide an outlet to a discharged ammunition round from the firearm.

Abstract: A sound suppressor that may be coupled with a firearm, including an autoloading firearm. In at least one example, the sound suppressor may comprise an elongate tubular housing, a projectile entrance passage positioned at a rearward region of the elongate tubular housing, and a plurality of tubes positioned within the elongate tubular housing, where the plurality of tubes are spaced away from an interior surface of the elongate tubular housing. In one or more embodiments, the plurality of tubes may not contact an interior surface of the elongate tubular housing.