Abstract: The present disclosure relates a buttstock accessory port system, comprising a body, a recoil pad, and an insert. The body includes a bridge and a cavity. The recoil pad attaches to the body and incudes an opening. The insert is insertable through the recoil pad opening and insertable into the cavity of the body.

Abstract: A firearm handguard attachment device comprises a barrel nut having a forward end, a rearward end, and a circumferential recess between the forward end and the rearward end, the recess having an uninterrupted surface and defining a forward shoulder and a rearward shoulder, a handguard having a forward end and a rearward end and configured to be slid onto the barrel nut, the handguard having a transversely extending opening in a lower portion thereof, the opening having a seat at each opposite end, a pair of wedges, one wedge of the pair being installed in one of the seats and the other wedge of the pair being installed in the other seat, and at least one fastener for drawing the wedges toward one another. The wedges are configured to engage the uninterrupted surface of the recess to prevent axial translation of the handguard relative to the barrel nut and to prevent axial rotation of the handguard relative to the barrel nut.

Abstract: A latch for securing a buttstock to a receiver of a firearm. The buttstock has at least one compartment configured to receive a spare magazine. The latch comprises a shaft, a lever, a first spring, and a second spring. The shaft moves along a first axis within the buttstock and is biased by the first spring to engage with a recess in a receiver of the firearm. The lever extends along a second axis transverse to the first axis and is positioned between the buttstock and an end of the shaft. The second spring biases the lever toward the buttstock. The lever includes a projection configured to extend through an opening in the buttstock and engage with the spare magazine. The lever is pivotable and is configured to release the magazine when the lever is pivoted in a first direction.

Abstract: A firearm includes a muzzle device. The muzzle device includes a muzzle adapter and a muzzle attachment. The muzzle attachment suppresses noise and/or redirects gases and recoil. The firearm utilizes recoil operation to cycle such that the barrel reciprocates inside a handguard of the firearm during cycling. The muzzle adapter is attached to the handguard and receives the barrel therein. The muzzle attachment is secured to the muzzle adapter such that the muzzle of the barrel remains longitudinally in the muzzle adapter during discharge and cycling of the firearm.

Abstract: A handguard is for a firearm having a firearm upper. The handguard includes a body and a cam. The body is structured to be coupled to the firearm upper. The body has a central lumen having a longitudinal axis. The cam may be coupled to the body in substantially perpendicular alignment to the longitudinal axis, and is configured to rotate between an UNLOCKED position and a LOCKED position. When the cam rotates from the UNLOCKED position toward the LOCKED position, the cam rotates into the central lumen.

Abstract: An optic guard for a firearm may include: a frame; and a bracket having a first side to attach to a firearm assembly, the bracket integrally formed with the frame or fixably attached to the frame at a second side of the bracket. The frame may be arranged to protect a top and sides of the optic when the first side of the bracket is attached to the firearm assembly. In some embodiments, the second side of the bracket defines an optic attachment, wherein the frame protects the top and sides of the optic when the optic is coupled to the bracket using the optic attachment. In some embodiments, the first side of the bracket may define a protrusion or opening to mate with an opening or protrusion in front of an optic mounting platform.

Abstract: A firearm having a laser induced friction surface. A method for forming the laser induced friction surface on the firearm may includes the steps of disposing the laser machine adjacent to a component of the firearm, adjusting the laser machine, then applying the laser beam of the laser machine onto a component surface.

Abstract: The present disclosure relates to a modular firearm control unit that aid in making compatible a slide associated with a first firearm and a frame associated with a second firearm. The compatibility made functional using a frame that includes an aperture and a rigid insert that includes a slide rail and an aperture that is compatible with the aperture found in the frame.

Abstract: Firearms having an upper receiver part and a lower receiver part that are detachably connected to each other by a connecting mechanism so that the two receiver parts are pivotable relative to each other between a closed and an open position. The connecting mechanism includes at least one pivot pin, running normal to the median plane, and a pivot pin hole passing through the upper and/or the lower normal to the median plane, a connector element with at least one hole and a slotted hole and a protrusion formed on the upper or lower, running in the direction of the barrel axis, and a recess which is complementary thereto in shape and function.

Abstract: Cheek risers for rifles have a shell configured to closely receive at least a portion of the tapered butt, the shell defining a stud aperture configured to receive the stud when the shell closely receives the butt, and an adjustable cheek rest connected to the shell and operable for vertical position adjustment with respect to the shell. The stud aperture may be circular. The stud aperture may be configured to closely receive a sling stud. The shell may have an upper portion and a lower portion selectably and removably connected to each other. The upper portion and lower portion may be unitary and connected via a live hinge. The upper portion and lower portion may include a separable hinge interface on one side, and a connection facility on an opposed side. The separable hinge interface may include a pin element and a hook element configured to engage the pin element.

Abstract: A barrel nut is disclosed. The barrel nut contains an internal thread configured to engage a portion of lower receiver, a plurality of longitudinally-extending splines formed along an outer surface of the barrel nut, a plurality of longitudinally-extending channels formed along an outer surface of the barrel nut, wherein the splines and the channels operate to engage one or more protrusions of a handguard assembly and prevent rotation of the handguard assembly.

Abstract: A firearm hand grip can have a cylindrical body with grooves, digit ridges, and a digit rest. The grooves can be circumferential grooves completely encircling the cylindrical body and providing improved grip relative to a smooth surface. The digit ridges can be positioned to fit comfortably between a user's fingers while the digit rest supports the lowest finger. The hand grip's top section includes a right cheek, a left cheek, and a receiver interface. The top section can be used to attach the hand grip to a firearm and can be shaped to blend smoothly into a firearm receiver. The cylindrical body is between the top section and the bottom of the hand grip. The dimensions of the hand grip include the cylindrical body's outer diameter, digit ridge offset distance, and digit rest offset distance. The dimensions are selected to ensure user comfort while using the firearm.

Abstract: Devices, assemblies, systems, and methods for providing a quick and easy accessory mounting device for mounting to a multiple slot interface, such as a multiple slot rail on a firearm. The mounting device/assembly allows for firearm accessories such as foregrips, bipods, scopes lights, bayonets, and the like, can be easily interchangeably attached to the multiple slot interface on the firearm. A wedge member having two wedge legs can be activated to move below the device/assembly and attach to a pair of slots in the multiple slot rail on the firearm. A torque screw can be also used to lock the wedge legs in place.

Abstract: A buffer tube for a firearm can include a body defining an interior cavity for receiving a buffer spring and a rail disposed on and/or formed from the outer surface of the body. The rail can include one or more pin holes configured to receive a pin of a stock to lock the stock in a position. The buffer tube can also include a slide bar channel defined through at least a portion of the rail and configured to allow a slide bar to slide therein relative to the one or more pin holes to urge a pin out of a respective pin hole and/or to block a pin from being received by the pin holes.

Abstract: The rifle stock with magnetic pistol holster structure incorporates a first firearm, a second firearm, and a holster structure. The holster structure secures the second firearm to the first firearm. The holster structure removably attaches to the first firearm. The holster structure magnetically attaches to the first firearm. The second firearm removably attaches to the holster structure.

Abstract: A single-shot/repeating switching device is provided for a toy gun that includes an outer casing, a bolt seat, a trigger link, and a trigger section. The single-shot/repeating switching device includes: an adjustment hole formed between the outer casing and the bolt seat, an adjustment seat having a toothed rail, a pinion rod rotatably arranged on the toothed rail, an operating portion arranged on the pinion rod and extended to outside of the adjustment hole, a coupling portion formed on the adjustment seat and opposite to the toothed rail, and a movable arrestor joined by a joining part to the coupling portion. A user may push, from the outside the operating portion to cause corresponding motions of the pinion rod and the toothed rail so as to drive the movable arrestor by means of the adjustment seat to selectively block a movement of the trigger link for efficient single-shot/repeating switchability.

Abstract: A gun light positioned by a sliding guide rail, comprising a light holder, a fixing plate is fixedly connected to left side of front part of the light holder, and a locking plate is slidably connected to the inside of the locking plate groove, the inside of the locking plate is threadedly connected with guide rail locking bolts by the screw holes, the front part of the light holder is provided with a positioning slider, the left part of the positioning slider is provided with a wave-shaped clamping slot, the rear part of the positioning slider is fixedly connected with a plurality of sliders, the front part of the light holder is provided with a screw hole, a limiting bolt is threadedly connected inside the screw hole, a groove is arranged inside the fixing plate, and a positioning steel ball is arranged inside the groove.

Abstract: A firearm includes a muzzle device. The muzzle device includes a muzzle adapter and a muzzle attachment. The muzzle attachment suppresses noise and/or redirects gases and recoil. The firearm utilizes recoil operation to cycle such that the barrel reciprocates inside a handguard of the firearm during cycling. The muzzle adapter is attached to the handguard and receives the barrel therein. The muzzle attachment is secured to the muzzle adapter such that the muzzle of the barrel remains longitudinally in the muzzle adapter during discharge and cycling of the firearm.

Abstract: A handguard assembly for installation on a firearm includes a handguard, an index block, a first fastener, and a second fastener. The handguard includes first and second clearance apertures and the index block includes first and second threaded apertures. The first and second fasteners extend through the respective first and second clearance apertures and threaded into the respective first and second threaded apertures. The first and second fasteners define respective first and second longitudinal axes that are non-parallel and non-collinear with each other. Tightening the first and second fasteners with respect to the index block secures the handguard to the index block and prevents movement of the handguard relative firearm.

Abstract: A stock assembly and related method are provided. The stock assembly can include a base that can be joined with a weapon and a butt portion that movably extends from the base so the stock assembly can be adjusted in length. The stock can include an adjustment limiter configured to stop extension of the butt portion at a predetermined length, which can be set by a user to fit their stature. The butt portion can include a longitudinal axis and a limiter surface offset at an angle relative to the axis. The adjustment limiter can be a wedge that wedges against the limiter surface to set the stock assembly at the predetermined length, thereby automatically setting that length in a consistent and repeatable manner. A lock, separate from the adjustment limiter, can selectively lock the butt portion in a fixed position as or after the stock assembly attains the predetermined length.

Abstract: A device implementable on a firearm includes an adjustable multi-angle grip. The grip includes an upper portion and a lower portion. The upper portion is configured to be coupled to a receiver portion of the firearm. The lower portion is pivotably coupled to the upper portion via a hinge on a front side of the grip such that an angle between a longitudinal axis of the lower portion and a longitudinal axis of a barrel of the firearm is variable.

Abstract: A receiver and a method for manufacturing it are disclosed. The receiver contains a first material at least partially surrounded by a second material, wherein the first material has a first melting and the second material has a second melting point, wherein the first melting point is lower than the second melting point. The method disclosed teaches how to manufacture the receiver.

Abstract: A modular system for adjusting the length of pull and drop of a long gun. The modular system enables a combination of any one of a plurality of comb portions with any one or more of a plurality of butt pad spacers for a versatile and robust system that provides a wide range of comb height and length of pull combinations. The system can be implemented by the user, avoiding costly gun fitters. The system provides these aspects in a sleek, streamlined way that does not mar the appearance of the long gun. The spacers for the length of pull adjustment include registration surfaces that provide a three-dimensional interface with the buttstock and comb portion for enhanced strength and stability of the assembly over that of conventional fit adjustment systems.

Abstract: A firearm having a laser induced friction surface. A method for forming the laser induced friction surface on the firearm may includes the steps of disposing the laser machine adjacent to a component of the firearm, adjusting the laser machine, then applying the laser beam of the laser machine onto a component surface.

Abstract: In some embodiments, a crossbow comprises a stock, a bow portion, a latch, a trigger and a foregrip. In some embodiments, the foregrip is supported by the stock and arranged to move with respect to the stock between a first position and a second position.

Abstract: A self-loading rifle comprising: an upper receiver defining a bolt passage, a bolt operable to reciprocate in the passage motivated by energy from discharge of the rifle, and a barrel extending from the upper receiver. The lower receiver is connected to the upper receiver and contains a trigger group and has a forwardly-extending support below the barrel, a tubular handguard encompassing at least a rear portion of the barrel, and is connected to the forwardly-extending support. The self-loading rifle of claim 1 in this the handguard is not directly connected to the upper receiver or to the barrel.

Abstract: A handguard grip assembly has a connector to be fixed to a barrel of a rifle, the barrel having a barrel axis, a grip having a grip axis and adapted to be held by a user of the rifle and a flexible joint connected between the connector and the grip for allowing the grip and grip axis to pivot to any angle with respect to the barrel axis.

Abstract: Folding firearms have a frame having a trigger assembly and defining a passage containing a bolt, a barrel assembly pivotally connected to the frame, the barrel assembly including a barrel element defining a barrel axis, the barrel element including a barrel, a plurality of suppressor baffles forward of the barrel, and having an interior space, the barrel assembly including a sleeve encompassing the barrel, the sleeve having an interior defining an expansion chamber in gas communication with the interior space of the barrel element, a front closure and a rear closure at respective ends of the sleeve to provide a gas seal enclosing the expansion chamber, and the sleeve being rotatable about the barrel axis. The sleeve may be movable between an operating condition in which the sight facility is in a first position and a stowage condition in which the sight facility is rotationally offset from the first position.

Abstract: A detachable foregrip for long-barreled firearms with a plurality of ergonomic grip positions, allowing nimble changes of the supporting hand position without changing the position of the device in relation with the firearm or reconfiguring the foregrip; as deemed necessary by the user based on different situational uses or mission or purposes, the user's stance, preferences, unique personal and current physical characteristics; any of the available 9 distinct positions reduces strain and fatigue by means of the proper posture of wrist, elbow and shoulder, and allowing the use of the simplest fatigue relief that is to change the wrist posture without losing weapon control; therefore, improving shooting accuracy, consistency, weapon control, recoil mitigation and endurance; and enables a safe and effective Quick Draw Carry System that improves survivability, deployment, mobility and endurance, and ensures a rested firing hand that always has access to the secondary weapon; ultimately, easing the training path

Abstract: A firearm stabilizing accessory 16 is disclosed which may include a firearm interface 24, a distal joint 26, and a proximal joint 28. The firearm stabilizing accessory 16 may further include an arm 30 disposed between the distal joint 26 and the proximal joint 28. The proximal joint 28 may connect a boom 32 to the arm 30. The boom 32 may further include a brace 34 and a handle 36. The handle 36 may further include a surface 40 which may serve as a cheek weld for an operator of a handgun 12 which may be secured to the firearm interface 24.

Abstract: A combination picatinny rail and fire starter system according to various aspects of the present technology is configured to provide a standard mounting system for a firearm that can be used to start a fire in the event of an emergency. Various embodiments of the combination picatinny rail and fire starter system comprise a rail that can be used to provide a flammable material to help start a fire and a striker that can be used to create a spark used to ignite the flammable material.

Abstract: The subject of the invention is for a plastic receiver and a combination of a magazine holder and cartridge ramp made of a metal material formed as a whole. Thereafter, the whole is placed in the mold for injection molding, casting or for plastic printing. The formation of receiver integrates a metal structure of the magazine holder with the cartridge ramp such that the plastic case (receiver) is highly resistant to abrasion, breaking, as well as to weather conditions.

Abstract: Provided herein are rotatable forward grips for use with paintball markers. The forward grips can be components of a paintball marker body or can be attachments to be connected to existing paintball marker bodies and barrels. The rotation of the forward grip elements permits an operator of the paintball marker to move other paintball marker components, such as a hopper, out of the line of sight from the operator to the target. In some embodiments, the rotatable forward grip includes a stopper that can hold and release the forward grip in different rotational positions. In some embodiments, the rotatable forward grip is repositionable and can be moved from, for example, the paintball marker body to the paintball marker barrel. Also provided are kits and methods that include the provided rotatable forward grips.

Abstract: The weapon foregrip uses a modular design that includes a grip base and interchangeable angled grip attachments. The interchangeable angle grip attachments have bottom grip faces with differing grip angles, which allows the configuration of the foregrip to be selectively adapted for the particular user and weapon. The grip base has a grip body and an integral forward extending switch platform, which properly positions a pressure switch under the user's thumb so that an illumination and/or targeting device can be actuated by the user's thumb while maintaining a positive “thumb-forward” grip on the weapon. The foregrip may also have an electronics head, which houses integrated electronic illumination and/or targeting systems.

Abstract: Apparatuses, systems, and methods are disclosed for use in or with firearms. A firearm barrel trunnion includes a rear portion shaped to couple to a receiver for a firearm. The trunnion includes a front portion shaped to couple to a handguard for the firearm and to support the handguard without the handguard contacting other components of the firearm. A bore is formed within the trunnion, and is shaped to receive a barrel for the firearm.

Abstract: A handguard assembly for installation on a firearm includes a handguard, an index block, a first fastener, and a second fastener. The handguard includes first and second clearance apertures and the index block includes first and second threaded apertures. The first and second fasteners extend through the respective first and second clearance apertures and threaded into the respective first and second threaded apertures. The first and second fasteners define respective first and second longitudinal axes that are non-parallel and non-collinear with each other. Tightening the first and second fasteners with respect to the index block secures the handguard to the index block and prevents movement of the handguard relative firearm.

Abstract: A handguard assembly for attaching to a firearm is disclosed. The handguard assembly comprises an upper component, a lower component, a front cap, and a rear cap. The front cap and rear cap are secured within the lower component. The front cap and rear cap have curved top sides for supporting the barrel of the firearm. The lower component has slots in the sides to receive tabs from the sides of the upper component. When the upper component and lower component are attached to the firearm, the components work together to position the barrel in the preferred position so that the sights of the firearm are zeroed when the handguard assembly is attached to the firearm.

Abstract: Systems and processes are provided for prefabricating pistol frames to re-purpose original pistol components, produce pistols or carbine-like pistols, and to customize firearms for various tactical purposes.

Abstract: A buttstock for a rifle has one or two longitudinal slots into which spare ammunition magazines may be inserted, stored, carried, and available for optional use in either a rifle or a pistol configured to receive the ammunition magazine. When fully inserted into a longitudinal slot, the magazine is fully enclosed within the buttstock except for the bottom surface of the magazine, which is approximately flush with the rear surface of the buttstock. One model of the buttstock may hold a single magazine, while another may hold two magazines, where the magazine slots are configured in an over-under arrangement.

Abstract: A firearm stock with adjustable comb riser has an elongated stock body having a forend and an opposed butt portion having a rear face and an upper comb surface, a butt pad removably connected to the rear face, a cheek rest element having an elongated rest portion positioned above the upper comb surface of the stock, the cheek rest element having a rear panel connected to the rest portion, and at least a portion of the rear panel being captured between the rear face and the butt pad. The rest portion may be a downwardly open channel. The channel may receive at least a portion of the comb surface. The rest portion may include downwardly depending sidewalls. An upper portion of the rear panel may span between the sidewalls. The rear panel may be perpendicular to the rest portion.

Abstract: A method for securing an accessory to a firearm includes inserting a lug and a nut into an entry opening positioned between first and second opposite ends of a slot formed in a wall of the firearm. The lug restricts the nut from rotating about an axis of a threaded member with which the nut is in threaded engagement. The slot has a first width, the entry opening has a second width that is greater than the first width, and the nut has a major dimension that is larger than the first width and smaller than the second width. The method also includes sliding the lug and nut in the slot in a sliding direction toward the first end or the second end, and rotating the threaded member with respect to the nut to clamp the wall between a surface of the nut and a surface of the accessory.

Abstract: An axially offset foregrip assembly for a long gun has a grip portion having a first grip axis, with a middle portion of the grip portion configured to be grasped by a hand of a user about the first grip axis. The foregrip assembly also has a coupling portion for coupling between the middle portion of the grip portion and a fore-end of a long gun. The long gun has a barrel having a longitudinal axis and a rear grip having a second grip axis, which together define a vertical barrel plane. The coupling portion is configured to couple the grip portion to the fore-end of the long gun such that the first grip axis is in a vertical grip plane horizontally offset from the vertical barrel plane, with the vertical grip plane and the first grip axis substantially parallel to the vertical barrel plane.

Abstract: This invention discloses embodiments which disclose a handgun frame conversion and adapter system which provides for the conversion of use of a handgun frame from use with a first slide to use with a second and dissimilar slide (such as allowing a Glock® Gen 1, Gen 2 or Gen 3 slide to be used on a Gen 4 or Gen 5 Glock® compatible frame). Aspects of this frame conversion system include a conversion adapter which is installable and removable from the frame portion of the handgun, thereby allowing any one of a number of handgun slides to be mounted or installed on one frame.

Abstract: Disclosed herein is a hand guard attachment system comprising: a barrel nut configured to be attached to a firearm; the barrel nut having an outer surface; and a cam lever rotatable from a first position allowing the hand guard to be longitudinally positioned about the barrel nut to a second position clamping the hand guard onto the barrel nut. The hand guard attachment system may be arranged wherein the hand guard is rotationally adjustable without indexing relative to the barrel nut. The hand guard attachment system may comprise a longitudinal locking system cooperating with the clamping system and prohibiting longitudinal movement of the hand guard relative to the barrel nut when engaged.

Abstract: A firearm barrel preloading device can preload threaded connections. The preloading device can include an outwardly facing barrel-contact surface, an outwardly facing receiver-contact surface, non-planar surfaces between the barrel-contact surface and the receiver-contact surface. The non-planar surfaces can include mated pairs of axisymmetric surfaces that cooperate to spread apart the barrel-contact surface and the receiver-contact surface when the preloading device is moved toward an expanded configuration.

Abstract: A hand guard of a firearm for receiving an accessory of the firearm includes: one or more Picatinny accessory rails running longitudinally along a barrel of the firearm; a linear cavity parallel to the barrel of the firearm and parallel to an accessory receiving surface of the one or more Picatinny accessory rails; the one or more Picatinny accessory rails including one or more through holes fluidly connecting the linear cavity to the accessory receiving surface; and wherein the one or more Picatinny accessory rails includes a flange facing toward the linear cavity and running parallel to the barrel of the firearm, the flange including a track with a flat surface as a guide for a nut or ferrule for attaching the accessory of the firearm to the one or more Picatinny accessory rails of the hand guard.

Abstract: A handguard and related method are provided. The handguard can include a clamp with opposing ramped surfaces, wedges engaging the ramped surfaces, and fasteners extending through the wedges and opposite sides of the handguard. Rotating the fasteners urges the wedges against the ramped surfaces to urge the clamp and a corresponding clamp element against a barrel to clamp the handguard to it. Where multiple fasteners are included, they can extend in opposite directions over the barrel, and can have reversed locking directions to distribute clamping forces to the barrel evenly. The clamp and wedges can prevent rotation of the handguard and provide parallel upward and downward movement. A fastener can extend through a wedge bore without engaging that wedge bore, while another fastener can threadably engage another wedge bore in the same wedge to provide horizontal wedge movement via rotation of the fastener.

Abstract: A handguard comprising a tube centered on a central axis and a rail protruding outwardly from the tube and extending along the tube parallel to the central axis. An endcap is secured to a face of the tube and includes a ring portion extending around a face of the tube and a rail cap extending outwardly from the ring portion and covering a face of the rail. Splines protruding inwardly within the tube and the endcap includes tabs positioned between pairs of adjacent splines of the plurality of splines. Fasteners pass through the tube and engage the tabs. The ring portion may increase with thickness from the rail cap. The front of the rail cap may include two regions with different slopes.

Abstract: A magazine retention device, including at least some of a body portion that extends along a longitudinal axis of the body portion, wherein at least one cavity is defined within the body portion, wherein the at least one cavity is operable to receive at least a portion of a magazine at least partially therein, wherein a front sight extends from the body portion and a rear sight extends from the body portion, and wherein the front sight and the rear sight are aligned substantially parallel to the longitudinal axis of the magazine retention device; and an attachment portion that extends from the body portion to allow the magazine retention device to be attached or coupled to a rail element, such that the longitudinal axis of the magazine retention device is substantially parallel to a longitudinal axis of the rail element.

Abstract: A handguard assembly for a firearm includes a handguard with an internal clamping area. A single-piece index block includes a securing portion for connecting to the handguard and an indexing extension for engaging an indexing feature on the upper receiver of the firearm. The handguard includes internal ribs that provide discrete clamping surfaces for engaging a barrel nut of the firearm. Connecting the index block to the handguard generates a continuous clamping action in the handguard which acts through the ribs to apply a radially-directed circumferentially-applied clamping force on a barrel nut through the discrete clamping surfaces. The indexing feature of the index block engages an indexing feature of the upper receiver to ensure proper alignment of the handguard and the upper receiver.