Abstract: A fore-end grip is provided for a firearm. The firearm has a barrel, and the fore-end grip is configured to at least partially surround the barrel. The fore-end grip includes at least one finger channel and at least one thumb channel. The finger channel and the thumb channel are configured to receive at least one finger and the thumb, respectively, of a shooter's forward hand when the shooter holds the firearm.

Abstract: Firearm barrel sleeves and barrel grips configured to fit upon gun barrels are made of heat insulating material and have internal splines and externals ribs or flanges which extend from a cylindrical body and provide gripping function, heat transfer and air flow.

Abstract: A foregrip for a firearm may comprise a mounting device configured to attach to a mounting rail of a firearm and a grip body. The grip body may include a top portion configured to be removably attached to the mounting device and a lateral side portion configured to be gripped by the hand of a person using a firearm. A cavity may be disposed within the grip body, and a blade may be disposed at least partially within the cavity, wherein the blade is movable between a retracted position and a deployed position relative to the grip body.

Abstract: The invention is directed toward a butt stock assembly for a firearm. The butt stock assembly comprises a front cap, a base, a center frame, a tube housing, a release lever, a locking pin, a rotation pin, and a spring. The center frame has a plurality of attachment holes. The attachment holes provide a means for attaching modular firearm components to the butt stock assembly. The release lever is attached to the center frame by the rotation pin. The release lever pivots about the rotation pin. The release lever engages the locking pin. The locking pin engages the spring. The center frame has a top edge, a front edge, a back edge, and a bottom edge. The front cap is removably secured to the front edge of the center frame. The base is removably secured to the back edge of the center frame.

Abstract: A stock for a small arms weapon which may include a proximal end surface and a distal end surface, the distal end surface including a first opening extending toward the proximal end surface. The stock further may include a multi-lobe chamber connected to the first opening. The multi-lobe chamber may include a primary lobe for housing a receiver extension. The primary lobe may include a track for supporting a bottom surface of a receiver extension. The primary lobe further may include a first side lobe adjacent to the first wall, and a second side lobe adjacent to the second wall. A first insert may be disposed in the first side lobe and a second insert may be disposed in the second side lobe for isolating movement between the stock and a receiver extension disposed in the track.

Abstract: An apparatus for an anti-rattle assembly for a collapsible buttstock for a firearm may include a baseplate with a plurality of lower guides and a plurality of fasteners wherein the plurality of fasteners removably secure the anti-rattle assembly to a plurality of fastener positions of a buttstock body. The anti-rattle assembly may further include a pressure plate with one or more ridges to engage one or more rail surfaces of a receiver extension and a plurality of upper guides and a plurality of biasing members wherein the pressure plate is vertically aligned with the baseplate and the plurality of biasing members are coupled between the upper guides and the lower guides and bias the one or more ridges against the one or more rail surfaces. The anti-rattle assembly restricts the movement of the receiver extension in a tubular aperture of the buttstock body.

Abstract: A handguard or other cover for a firearm includes a shell or body with a hollow interior cavity and a retaining structure configured to engage the forearm and retain the shell in place on the forearm, where the retaining structure is releasable to permit removal of the shell from the forearm. The shell extends between first and second edges around an angular range greater than 180° and less than 360° to define the shell in a semi-tubular shape or a C-shape. The shell may have a concave inner surface and a convex outer surface extending between the first and second edges. The first edge is spaced from the second edge to define a gap providing access to the interior cavity, and the shell is configured to be connected to a forearm for the firearm by inserting the forearm within the interior cavity.

Abstract: An adjustable stock and cheek rest assembly for a firearm includes a buffer tube extending rearwardly from the firearm at an angle relative to the firearm receiver. A stock is slidably mounted on the buffer tube, and a cheek rest is disposed in overlying relationship to the stock. A cheek rest adjustment arrangement is connected between the stock and the cheek rest, and is provided with a movable linkage for enabling vertical movement of the cheek rest relative to the stock as the stock moves along the angled buffer tube. A movable member provided with locking structure is mounted on the stock for selective engagement with lock receiving structure on the buffer tube for locking the stock in various axial adjustment positions along the buffer tube.

Abstract: A collapsible stock assembly for a firearm includes a stock body defining a buffer tube passage for slidably accommodating a firearm buffer tube therein. An adjustment slit communicates with the buffer tube passage along a forward portion thereof. A first adjustment mechanism canied by the stock body includes a buffer tube engagement element that can extend into the buffer tube passage and is selectively positionable by a first operating lever. A second operating mechanism includes a second operating lever that is operable to selectively compress the adjustment slit. Disengaging the first adjustment mechanism automatically disengages the second adjustment mechanism. Excessive force on the stock in several embodiments automatically disengages both adjustment mechanisms and minimizes damage to stock assembly and/or buffer tube.

Abstract: A buffer for a firearm having a sleeve member having an open end and a closed end. A set of weights having a combined predefined mass are contained within the sleeve member. A bumper secures and seals the open end of the sleeve. A spring is positioned between two of the weights within the sleeve to maintain the mass at a predetermined location when the buffer is in an at-rest position.

Abstract: The present invention is a fixed stock with integral storage that utilizes a cam plug inside the storage compartment to secure the stock to a firearm. In the preferred embodiment, the cam plug interfaces with the hind edge of the stock body and is therefore visible outside the stock, for a stronger and more secure hold.

Abstract: A method, apparatus and system for networking accessories to a firearm or weapon wherein the accessories are conductively powered from the rail and data is transferred between the accessories and the rail via conductive coupling. In one embodiment, a weapon is provided, the weapon having: an upper receiver; a lower receiver; a powered accessory mounted to a rail of the upper receiver; and an apparatus for conductively networking a microcontroller of the powered accessory to a microcontroller of the upper receiver and a microcontroller of the lower receiver, wherein the data is exclusively provided to the powered accessory from the rail.

Abstract: A handguard or other cover for a firearm includes a shell or body with a hollow interior cavity and a retaining structure configured to engage the forearm and retain the shell in place on the forearm, where the retaining structure is releasable to permit removal of the shell from the forearm. The shell may have a concave inner surface and a convex outer surface extending between the first and second edges. The concave inner surface may include at least one tab extending outwardly from the inner surface which is configured to be connected to a slot or opening formed in the forearm for the firearm.

Abstract: A firearm having modular components that can be assembled under field conditions, by using simple tools. Upper and lower receivers are assembled by pins and a barrel and gas tube are secured to the upper receiver by a barrel nut. Mounting flanges of the upper receiver and a handguard are secured in reliable assembly by a manually actuated clamp mechanism having a clamping condition releasably securing the handguard to the upper receiver and having a releasing condition permitting separation of the handguard from the upper receiver. A pocketed soft protective container receives and protects the modular firearm components until firearm assembly takes place.

Abstract: A modular rail assembly for supporting accessories upon a modular weapons platform. The modular rail assembly includes a fore rail preferably positioned above the foretube, and an aft rail preferably positioned above the receiver, which cooperate with one another to enable a modular system whereby one rail may be removed or replaced without affecting the other rail and any accessories mounted thereon. One rail defines a mating member and the other rail defines a mating channel for receipt of the mating member. The rail assembly configuration provides increased flexibility and interchangeability to the modular weapons platform.

Abstract: An upper receiver for a firearm is provided. The upper receiver having: a hand guard section integrally formed with the upper receiver; a rail section integrally formed with the hand guard section, wherein the rail section is formed of a first material and the hand guard section is formed of a second material, wherein the second material is molded about the first material.

Abstract: A rifle stock with a support part which is attached in the rifle stock, and which includes, on its top side, a support area for the support of a receiver and/or of a barrel, and on its bottom side, a profiling for positive-fitting holding of the support part in the rifle stock. In order to make possible a bedding of the receiver and/or barrel that is not influenced by changes of the rifle stock, the support part is connected by an adhesive connection undetachably to the rifle stock.

Abstract: A system for removably securing a hand guard to a semi-automatic or automatic rifle is provided. The system having: a first locking assembly for removably coupling a rear end of the hand guard to an upper receiver of the rifle; a second locking assembly for removably coupling a forward end of the hand guard to the rifle; and wherein the first locking assembly and the second locking assembly axially and rotationally position the hand guard with respect to the rifle and wherein the hand guard is not directly secured to a barrel of the rifle.

Abstract: The present invention describes a firearm hand guard assembly attachable to a threaded firearm receiver wherein it surrounds the firearm barrel distally along the longitudinal axis of the barrel. The hand guard assembly is comprised of a threaded barrel nut component and a grip component configured such that when the hand guard assembly is attached to the firearm receiver, the sole direct contact between the firearm and the hand guard assembly is the contact between the barrel nut and the firearm receiver threads.

Abstract: A firearm handguard assembly system, the system comprising a handguard, wherein the handguard includes a first aperture and a second aperture on a first side, and a third aperture and a fourth aperture on a second side. A barrel nut which includes a groove around the outside diameter ahead of the threaded portion which is threaded onto the upper receiver to provide a mounting surface for the handguard. A locking mechanism is placed around the handguard containing the barrel nut, locked in place by at least a notched cross bolt and a locking cross bolt. The bolts are threaded through a first and second clamp block and the handguard. The bolts pass through the clearance afforded by the groove in the barrel nut without interfering with the various other components located above the barrel nut. An optional indexing plate may be placed between the barrel nut and the handguard to prevent rotation of the barrel nut.

Abstract: Foldable and flippable adapter devices, apparatus, systems and methods of attaching accessories, such as grips and lights to firearms. Adapters can include a slidable thumb switch for locking a swinging plate with side rails to a main plate, and spring loaded detents for locking the swinging plate in substantially vertical orientations. A folding rail adapter can be substituted for the existing rail system on firearms to allow the rail to be directly attached to the firearm. A flipping rail adapter can have a pivotal lever which supports a folding rail in an open position. Springably biased detent pins allow the lever to lock open. Pushing the lever back will overcome the springs so that the pins can pass out of the detents allowing the folding rail to move to a folded position.

Abstract: A handgun converter enclosing a handgun and allowing the user to operate the handgun with full and increased functionality and enhanced safety. The combined weapon endows the handgun with increased stability and accuracy due to additional supports, versatility by adding rails, and with an additional mechanical latch mechanism supporting safe use. The handgun converter is constructed to allow quick mounting and release of the handgun, to enhance weapon versatility.

Abstract: A bottom hand grip for a firearm, such as AK-47 type rifle is mountable on the rifle in place of a bottom forend. The bottom hand grip engages a front end of the receiver assembly and is further supported by an attachment bolt passing through its bottom plate. Double-walled body of the bottom hand grip is provided with a plurality of openings that help dissipate heat from the firing mechanism and also serve as a means for mounting a rail for a firearm accessory.

Abstract: Frames for displaying 3D and/or user-selected pieces of artwork and related methods. Some frames comprise frame and rail engagement portions. The frame portions display the artwork and further comprise bodies defining curvilinear cross-sections and display areas on exterior surfaces of the bodies. The rail-engagement portions can couple to the frame portions and further comprise ridges. The ridges extend away from interior surfaces of the frame bodies and can be adapted to engage rails. Flats adjacent to the rails can facilitate securing the frames to the rails. Moreover, display areas of the current embodiment define the artwork. The bodies and rail engagement portions can withstand various shocks at the rails. Moreover, the bodies can be hand guards for weapons. Furthermore, the rail engagement portions can define apertures which receive weapons tools. Moreover, the frame portions can define stops which engage slots associated with the rails. If desired, engravings define the artwork.

Abstract: A forearm-gripping stabilizing attachment for a handgun that has a support structure extending rearwardly from the rear end of the handgun is provided. The forearm-gripping stabilizing attachment includes a body having a passage longitudinally extending therein. The support structure of the handgun is telescopically receivable by the passage to secure the stabilizing attachment to the handgun. The body is further configured to receive and grip a user's forearm such that the support structure extends along the user's forearm. The stabilizing attachment is particularly useful in aiding a physically disabled user with handling the handgun because the handgun essentially becomes an extension of the user's forearm such that the user may actually release his or her grip from the handgun to relax the user's hand between firing while still maintaining proper control of the handgun at all times.

Abstract: A quick-detach, free floating, two-piece forward hand guard assembly for a rifle, which includes an inner barrel nut adapted for connection to the rifle's receiver and an outer barrel nut telescopically received over the inner barrel nut and secured thereto to prevent rotation therebetween. The hand guard assembly also includes a top hand guard element engaged with and extending forwardly from the outer barrel nut in a laterally-stable cantilevered orientation above the rifle's barrel. A bottom hand guard element is matingly engaged with the top hand guard element for surrounding the bottom portion of the rifle's barrel and free-floats from the top hand guard element. A spring-loaded detent screw attaches the top and bottom hand guard elements together and also engages the inner barrel nut. For quick-detach barrel removal, the outer barrel nut may be hinged for clamshell action, with the inner barrel nut having a separable two-piece extension.

Abstract: A forearm for a firearm that includes a magnesium alloy body. The forearm can be adapted for use in a modular rifle having both an upper receiver securable to a barrel and a lower receiver housing a trigger assembly. The magnesium body may also be nickel plated and have a ceramic coating on the nickel plating. Also disclosed are methods of manufacturing a forearm having a magnesium alloy body. The magnesium alloy body may be formed by extrusion or by thixotropic molding. In some embodiments, the magnesium forearm includes an outer sleeve formed out of a magnesium alloy and an inner sleeve formed out of a different material.

Abstract: A grip for an elongated fire arm has an adapter, a handle, and a spring loaded screw, bolt, and nut. The adapter has a top portion and a bottom portion. The top portion receives a lower receiver of a rifle. The bottom portion has at least two locking tabs adjacent to a base of a shaft extending from the bottom portion of the adapter. The handle has a cavity disposed in an upper portion to mate with the shaft, and at least two pockets adjacent to the cavity to mate with the at least two locking tabs. The handle is rotatable about an axis of the shaft when the at least two pockets are disengaged from the at least two locking tabs.

Abstract: The present invention describes a firearm hand guard assembly attachable to a firearm upper receiver and surrounding the firearm barrel distally along the longitudinal axis without touching the barrel. The hand guard assembly is comprised of an upper component and a lower component such that when the upper component and lower component are attached to one another with a firearm disposed therein, the sole contact between the firearm and the hand guard assembly is the contact between the firearm barrel nut and the inner surfaces of the proximal end of the hand guard assembly.

Abstract: An adjustable cheek rest for a rifle is formed with a top member, a lower member, a cushion pad and a plurality of accessories. This cheek rest is adjustably and removably affixed to a stock of the rifle. Both the top member and the lower member are in symmetrical shape and are made of moldable plastic materials including the thermoplastic acrylic-polyvinyl chloride material. The top member and the lower member are foldable to fit the longitudinal cross sectional profile of the stick of rifle. There are top fastener holes located on the top member and their corresponding lower fastener holes located on the low member, which are adjustably fastened by fastener. Straps go through strap cuts in the lower member, so as to removably affix the cheek rest to the stock of the rifle.

Abstract: A buttstock assembly configured to work in conjunction with a compact buffer assembly consisting of a buffer tube, spring and bolt carrier with an integral buffer is provided. The buttstock assembly, buffer tube and bolt carrier are configured to work with AR15/M16 type firearms and their derivatives. By incorporating the buffer onto the bolt carrier, which is used in conjunction with a buffer tube of reduced length, the overall length of the host firearm is reduced by approximately 3.2 inches. No permanent modification need be made to the host firearm in order to utilize the compact buffer assembly and buttstock assembly disclosed herein.

Abstract: The present invention relates to a telescoping leg for a firearm such as a rifle. The leg includes a pair of telescopically slidable elongated members. The first member is configured to be fixed to the stock of a rifle. The second member is telescopically slidable relative to the first member between a retracted position and an extended position. The leg also includes a biasing means to bias the second member towards the extended position and a damper means for damping the movement of the second member between the retracted and extended positions. In one form, one of the first member and the second member is a casing having an inner surface defining in part a gas chamber, the other one of the first member and the second member is a piston received at least partially in the casing for reciprocation along an axis between the retracted and extended positions. The biasing means includes a compressible gas contained in the chamber that yieldably biases the piston towards the extended position.

Abstract: A rear stock for a shotgun that includes at least one tube adapted for the storage of shotgun shells. The rear stock may include a tube positioned on each side of the stock for the storage of a plurality of shotgun shells. A switch slideably mounted to the front of the stock may be moved toward one of the tubes to partially eject a portion of a shotgun shell positioned with the tube. A protrusion connected to the switch extends into a portion of the tube and movement of the switch towards a side of the stock engages the protrusion against a shell stored in the tube. The continued movement of the protrusion forces a portion of the shell against a tapered surface on an internal shoulder cause a portion of the shell to be ejected from the tube within the stock.

Abstract: The present disclosure provides an ergonomic handguard that supports rail mounted weapon accessories in a variety of different orientations. The handguard includes sides and bottom surfaces that are ergonomic. The stem includes modular sections of picatinny rail that can be attached to various locations on the handguard as needed to provide a mounting structure for rail based weapon accessories.

Abstract: An apparatus and method for providing power to an accessory on a firearm, the method including the steps of: detecting an accessory when attached to said firearm through actuation of a magnetic switch magnetically coupled to a magnet in the accessory via a pin located in the firearm and providing a power path with said accessory; and providing power to said accessory from a secondary source of power should power be required.

Abstract: A sliding stock and interface system for a semi-automatic firearm. The sliding stock includes a handle in the form of a shoulder stock and integral pistol grip and finger rest. In use, the user grasps the handle with one hand and places an index finger of the same hand firmly on the finger rest. To fire a round of ammunition, the user pushes the receiver forward with their other hand so that the trigger collides with the stabilized finger. Recoil force separates the trigger from the user's finger on the finger rest. The user again pushes forward the receiver to repeat the firing cycle. A lock switch is moveable to selectively permit or restrict longitudinal movement between firearm and sliding stock. A shroud at least partially covers the switch.

Abstract: A firearm handguard assembly attachable to a receiver of a barrel of a firearm is disclosed. The firearm handguard assembly includes a barrel nut member, a locking sleeve member, a firearm handguard member and a plurality of fasteners. The locking sleeve member is disposed within an axial passage formed by the barrel nut member. A plurality of radial passages of the locking sleeve member are aligned with a plurality of radial passages of the barrel nut member. The firearm handguard member is arranged about the barrel nut member and the locking sleeve member such that the barrel nut member and the locking sleeve member are arranged within an axial passage of the firearm handguard member. The plurality of fasteners join the firearm handguard member to the barrel nut member and the locking sleeve member.

Abstract: Tactical firearm systems and methods of manufacturing tactical firearm systems are discussed herein. In some embodiments, a tactical weapons platform can comprise a forend assembly adapted to house a portion of a barrel; a receiver assembly detachably coupled to the forend assembly and adapted to interface with a bolt action; and a butt stock assembly detachably coupled to the receiver assembly. In other embodiments, a modular stock assembly for a bolt action rifle can generally comprise a forend assembly, a receiver assembly, and a butt stock assembly. The forend assembly can have a body adapted to house a barrel in a free floating configuration, wherein the body surrounds at least a portion of the length of the barrel. The receiver assembly can be detachably coupled to the forend assembly and adapted to directly interface with a bolt action without bedding. The butt stock assembly can be detachably coupled the receiver assembly by a hinge.

Abstract: A firearm including a barrel having a breech and a muzzle defining a length of the barrel is disclosed. The firearm includes a hand guard having a first end and a second end with a front sight is attached to at least one of the barrel adjacent the muzzle and the second end of the hand guard. A housing is coupled to the front sight and defines a chamber having a piston disposed therein and movable between static and displaced positions. A receiver is coupled to the first end and a bolt carrier is disposed within the receiver and moveable between firing and rearward positions. A carrier key is attached to the bolt carrier and moves concurrently with the bolt carrier and a rod is permanently affixed to the carrier key and extends to a distal end with the piston engaging the distal end when moving to the displaced position.

Abstract: A reciprocating sensory sighting system with a movable cheek weld member is translationally received by a firearm frame which defines a firing chamber and a passageway from an ammunition supply to the chamber. The cheek weld member includes a body, and a frame engagement portion extending therefrom. The frame engagement portion translationally couples to the frame, reciprocating between charging and firing positions to move an ammunition round from the supply, through the passageway, and to the firing chamber. The body has an exterior surface defining a cheek seat for shooter engagement when in the firing position, and an optional rear sight. A reciprocating sensory system, with or without the reciprocating sighting system, is provided with a sensory assisting element supported by the body. A firearm having such a reciprocating cheek weld member and/or a reciprocating sensory system, are also provided, along with a retrofit charging handle system for a firearm.

Abstract: The present invention is a buffer tube assembly 2 upon which stock modules may be mounted as part of a modular stock system. The best mode buffer tube features a uniform cheek plate 10 with a track 9 disposed underneath the cheek plate 10 on either side. Rail track 8 is disposed on the underside of buffer tube module 2 and is divided in half by a longitudinal groove. Interface detents 5 are provided on the sides of buffer tube module 2. Both rail track 8 and detents 5 are provided for interface with adjustable length stock modules. Individual half-rails of the rail track 8 may be angled to improve interface performance with adjustable for length stock modules. A clip hole 13 is provided as a securement means with fixed length stock modules. The invention may also be practiced as a mounting assembly for those firearms (usually air projection type) that do not require a buffer area.

Abstract: A bracket kit for attaching a pistol holster to the buttstock of a gun. Kit is universally adaptable to be used by Magpul style buttstocks, DPMS style buttstocks and conventional rifle and shotgun style buttstocks. Kit includes a base plate having a convex and a concave surface, at least one alignment plate to engage with a lower edge of the buttstock and a plurality of straps to secure the base plate to the convex surface of the buttstock. Pistol holster is attached to the convex side of the base plate. Base plate can be attached to either side of the buttstock.

Abstract: A safety for a firearm includes a blocking member that has a relieved portion adjacent to a relieved portion of a firing pin of the firearm. The blocking member is movable between a safe position wherein the relieved portions are not in registration and a fire position wherein the relieved portions are in registration. The blocking member moves from the safe to the fire position in response to a pull of the firearm's trigger. Movement of the blocking member is rotational in response to a pawl as would also be used to rotate the cylinder of a revolver.

Abstract: An indirect gas operating system for a semi-automatic or automatic rifle is provided, the indirect gas operating system having: a gas block secured to the rifle; a barrel secured to the rifle; a bolt carrier slidably received within a receiver of the rifle; a means for moving the bolt carrier within the receiver using gases discharged into a bore of the barrel of the rifle, wherein the means for moving is removably secured to the gas block such that the means for moving can be removed from the rifle through a forward end of the gas block without removing the gas block from the rifle; and an externally threaded barrel nut for securing the barrel to the receiver.

Abstract: A replacement gunstock for shortening the overall length of a firearm with a barrel and breech mechanism and a separately attached trigger assembly. The replacement gunstock has a forehand portion with an elongated, hollowed-out depression through which a firing rod passes interconnecting the trigger in the trigger assembly with a sear mechanism in the breech.

Abstract: A forend for a firearm that includes a sight tunnel through the forend. The forend may be adapted to actuate a tube magazine of a shotgun to insert a shell from the tube magazine into a receiver of the shotgun. The forend may include an integral heat shield to protect a shooter from heat off of the barrel of the firearm. The forend may include a rail, such as an accessory rail, such as a Picatinny rail, that permits the attachment of an accessory to the top of the forend. The sight tunnel through the forend is below the accessory rail and permits the attachment of a light accessory to light up a front sight and/or a target. The front sight may be viewed through the sight tunnel by an operator of a firearm using the forend.

Abstract: In one embodiment, a forend for a firearm includes an adapter module configured to mount below a barrel and in front of a receiver of a specific model of a firearm, such as a shotgun, and a universal firearm accessory module coupled to one or more surfaces of the adapter module. The adapter module can include an upper surface that substantially conforms to a lower surface of the barrel, a longitudinal bore configured to receive a tubular magazine of the firearm concentrically therein, and lower and external side surfaces defining a plug. The accessory module can include a firearm accessory and an upper and internal side surfaces defining a socket configured to receive the plug of the adapter module in a complementary plug-in engagement. The accessory can be a source of a light useful for illuminating a target or aiming the firearm.

Abstract: A locking adjustable cheek rest comprising an upper U-shaped portion and a lower portion located on the stock of a rifle or other firearm. The U-shaped portion is biased against the lower portion, such that the walls of the U-shaped upper portion press against the lower portion, thereby locking the upper portion in position. A first release and a second release are depressed to release the bias and enable the upper portion to be raised and lowered relative to the lower portion. Interlocking mechanisms located on the upper and lower portions facilitate locking of the cheek rest in a position determined by the user.

Abstract: A method of making a hand guard for a semi-automatic or automatic rifle is provided. The method including the steps of: forming a first portion of the hand guard from a first material; inserting the formed first portion into a mold; and molding a second portion of the hand guard about the first portion, the second portion being a second material, the second material being different from the first material, wherein a first section of the first portion is completely encased by the second portion and a second section of the first portion is not encased by the second portion.

Abstract: A handguard system for use on a rifle having a barrel and a receiver, the hand guard system includes a barrel nut having an inner surface with a threaded portion adapted to threadably engage the receiver for securing the barrel to the receiver and an outer surface, and a tubular handguard having an end. The tubular handguard is receivable about the barrel and is received about the barrel nut, engaging the outer surface thereof. REEXAMINATION RESULTS The questions raised in reexamination proceeding No. 90/008,357, filed Dec. 1, 2006, have been considered, and the results thereof are reflected in this reissue patent which constitutes the reexamination certificate required by 35 U.S.C. 307 as provided in 37 CFR 1.570(e) for ex parte reexaminations, or the reexamination certificate required by 35 U.S.C. 316 as provided in 37 CFR 1.997(e) for inter partes reexaminations.