Abstract: A grenade launcher system comprises a grenade launcher receiver and a grenade launcher barrel attached to the grenade launcher receiver. A trigger assembly is attached to the grenade launcher receiver at a position adjacent the grenade launcher barrel. The grenade launcher receiver has an elongate channel disposed on an upper surface of the grenade launcher receiver, the elongate channel extending parallel to the grenade launcher barrel and configured to slidably and removably receive a mounting rail. In certain embodiments, the grenade launcher system is configured to operate in an underslung configuration relative to a firearm. In certain embodiments, the grenade launcher system is configured to operate in a standalone configuration without a firearm.

Abstract: A flashlight apparatus for a handgun includes a flashlight housing portion and a laser housing portion, which cooperate to define a housing, the housing defining an interior compartment. A flashlight head assembly is received within an opening in the flashlight main housing and includes one or more light sources. One or more laser modules are received within the laser housing portion. A rail clamp interface is attached to the flashlight main housing and is configured to removably attach the flashlight apparatus to the handgun.

Abstract: A lockout system for a laser device of a type having a laser emitter operable to emit a laser beam at a plurality of intensity levels includes a lockout switch operable to be placed in either a first state or a second state, wherein the laser device is configured to prevent actuation of the laser emitter at an intensity level above a preselected threshold intensity level when the lockout switch is in the first state and to permit actuation of the laser emitter at an intensity level above the preselected threshold intensity level when the lockout switch is in the second state. A lockout key operable to transition the lockout switch between the first state and the second state. In a further aspect, a laser sight device incorporating the lockout system herein is provided.

Abstract: A modular grenade launcher system includes an upper chassis and lower chassis secured on opposite sides of a barrel of a weapon, such as a firearm. The chassis removably receives any of a plurality of interchangeable modules, including grenade launcher assemblies having different calibers. A separate modular and removable firing mechanism is provided, wherein multiple grenade launcher barrel assemblies can share a common firing mechanism. An accessory rail module is also provided to replace the grenade launcher barrel assembly and firing mechanism.

Abstract: A system for mounting an accessory device on a firearm includes a longitudinally extending handguard affixed to the firearm. The handguard is configured to support the accessory device and includes an upper portion and a lower portion. At least one electrical connector is disposed on each of the upper portion and the lower portion. A power supply is supported on the handguard and circuitry is disposed between the upper portion and the lower portion. The circuitry electrically couples the power supply to the at least one electrical connector disposed on each of the upper portion and the lower portion. In a further aspect, a modular weapon system is provided.

Abstract: A powered accessory platform for a weapon includes a handguard assembly having an upper handguard portion and an opposed lower handguard portion. The upper handguard portion and the lower handguard portion cooperate to define a sleeve. The sleeve has a proximal end configured to attach to the weapon and a distal end opposite the proximal end. The sleeve is configured to surround at least a portion of the weapon when the proximal end is attached to the weapon. A flexible circuit within the sleeve includes one or more circuit elements disposed on a flexible circuit substrate. An accessory mounting rail is located on a top portion of the upper handguard portion, the mounting rail having at least one electrical connector thereon. A first accessory mounting pad is mechanically and electrically coupled to the accessory mounting rail. A power supply connector on the sleeve is configured to attach a power supply.

Abstract: A weapon system for a firearm includes a processor, the processor having an associated memory, and an optical reader, the optical reader configured to receive operator-identification information and transmit the operator-identification information to the processor.

Abstract: A weapon system for a firearm having a barrel includes a powered accessory rail interface having an upper accessory rail and a lower accessory rail. A first accessory device is removably attachable to the upper accessory rail and is configured to receive electrical power and data signals over the powered accessory rail interface. A second accessory device is removably attachable to the lower accessory rail, the second accessory device configured to receive electrical power and data signals over the powered accessory rail interface. A power supply is electrically coupled to the powered accessory rail interface.

Abstract: A ballistic helmet system having an integrated circuit layer electrically coupled to one or more powered devices, where the ballistic helmet is configured to operate and control the powered devices. The ballistic helmet system comprises a base layer configured to retain the circuit layer. The circuit layer comprises one or more circuit substrates, which may be formed of a flexible material capable of withstanding elevated temperatures that may result from the bonding and curing process of the helmet components.

Abstract: A combined reflex and laser sighting device with co-aligned iron sights is provided. In one aspect, the laser elements are co-aligned with each other, the reflex sight is co-aligned with the laser elements, and the iron sights are then co-aligned with the reflex sight and lasers, such that both the reflex sight, laser sight, and iron sights can all be calibrated or boresighted to a weapon together in a single operation. In another aspect, one or more laser elements are mounted to a laser bench and aligned with a reflex sight and iron sights attached to the laser bench. In yet another aspect, a plurality of laser elements are provided on the laser bench and are co-aligned with each other, the reflex sight, and the iron sights. In yet another aspect, an elevation adjustment apparatus for a laser sight includes selectable primary and secondary adjustment assemblies.

Abstract: A modular helmet interface with a mounting cleat, threaded insert, and adhesive layer is provided. In one aspect, a mounting cleat is affixed to a helmet, such as a ballistic helmet, by an adhesive layer, the mounting cleat having an outer portion and a threaded insert within a cavity formed in the outer portion. The outer portion has an inward facing surface configured to receive an adhesive layer for coupling the inward facing surface to the helmet surface. In another aspect, a mounting cleat is secured to a helmet by way of a cleat-receiving securing member, the securing member affixed to the helmet by an adhesive layer. In a more limited aspect, a helmet having multiple mounting cleats configured to support an accessory mounting rail or a helmet mount assembly.

Abstract: A helmet mount system for attaching a device to a helmet comprises a threaded interface assembly having an outer portion and a threaded insert received within a cavity formed in the outer portion. The outer portion has an inward facing surface configured to receive an adhesive layer for coupling the inward facing surface to a surface of the helmet. In a further aspect, a ballistic helmet having the helmet mount system herein is provided, wherein the helmet mount system does not penetrate a ballistic layer of the ballistic shell.

Abstract: A modular helmet interface with a mounting cleat and adhesive layer is provided. In one aspect, a mounting cleat is affixed to a helmet, such as a ballistic helmet, by an adhesive layer, the mounting cleat having a cavity filled with the adhesive used to secure the cleat to the helmet. In a further aspect, the mounting cleat has one or more annular grooves for improving the bond between the cleat and the helmet. In another aspect, a mounting cleat is secured to a helmet by way of a cleat-receiving securing member, the securing member affixed to the helmet by an adhesive layer.

Abstract: A combined reflex and laser sighting device with co-aligned iron sights is provided. In one aspect, the laser elements are co-aligned with each other, the reflex sight is co-aligned with the laser elements, and the iron sights are then co-aligned with the reflex sight and lasers, such that both the reflex sight, laser sight, and iron sights can all be calibrated or boresighted to a weapon together in a single operation. In another aspect, one or more laser elements are mounted to a laser bench and aligned with a reflex sight and iron sights attached to the laser bench. In yet another aspect, a plurality of laser elements are provided on the laser bench and are co-aligned with each other, the reflex sight, and the iron sights. In yet another aspect, an elevation adjustment apparatus for a laser sight includes selectable primary and secondary adjustment assemblies.

Abstract: A breathing apparatus is operable in self-contained and filtered modes of operation. In the self-contained mode of operation, a breathable gas is delivered to a user from a self-contained source of breathing gas. In a second, filtered mode of operation, a suction source draws ambient air through a filter removing contaminants and delivers filtered ambient air to the user. A method of delivering air to a subject is also provided.

Abstract: A grenade launcher is provided comprising a chassis, a barrel assembly, and a pivot mechanism. The pivot mechanism comprises a first pivot bar on the barrel assembly extending transversely. The first pivot bar has a first hinge barrel disposed at one transverse end thereof and is attachable in a first orientation wherein the first hinge barrel is on a left side of the barrel assembly and a second orientation wherein the first hinge barrel is on a right side of the barrel assembly. A second pivot bar is disposed on the chassis and has a second hinge barrel disposed at one transverse end thereof. The second pivot bar is attachable in a first orientation wherein the second hinge barrel is on a left side of the barrel assembly and a second orientation wherein the second hinge barrel is on a right side of the barrel assembly.

Abstract: A grenade launcher is provided comprising a chassis, a barrel assembly, and a pivot mechanism. The pivot mechanism comprises a first pivot bar on the barrel assembly extending transversely. The first pivot bar has a first hinge barrel disposed at one transverse end thereof and is attachable in a first orientation wherein the first hinge barrel is on a left side of the barrel assembly and a second orientation wherein the first hinge barrel is on a right side of the barrel assembly. A second pivot bar is disposed on the chassis and has a second hinge barrel disposed at one transverse end thereof. The second pivot bar is attachable in a first orientation wherein the second hinge barrel is on a left side of the barrel assembly and a second orientation wherein the second hinge barrel is on a right side of the barrel assembly.

Abstract: A combined reflex and laser sighting device is provided. In one aspect, the reflex sight and one or more laser elements are coaligned, such that both the reflex sight and the laser sight can be sighted in or boresighted to a weapon together in a single operation. In another aspect, one or more laser elements are mounted within a laser bench and aligned with a reflex sight attached to the laser bench. In yet another aspect, a plurality of laser elements are provided within the laser bench and are coaligned with each other and the reflex sight. In another aspect, a mounting block with yielding vertical and horizontal webs is provided to allow windage and elevation adjustments to be made to the reflex sight and laser elements together.

Abstract: A lockout system for a laser device of a type having a laser emitter operable to emit a laser beam at a plurality of intensity levels includes a lockout switch operable to be placed in either a first state or a second state, wherein the laser device is configured to prevent actuation of the laser emitter at an intensity level above a preselected threshold intensity level when the lockout switch is in the first state and to permit actuation of the laser emitter at an intensity level above the preselected threshold intensity level when the lockout switch is in the second state. A lockout key operable to transition the lockout switch between the first state and the second state. In a further aspect, a laser sight device incorporating the lockout system herein is provided.

Abstract: A combined range finding and sighting apparatus for a weapon includes a housing therein supporting one or more laser emitters, an optical detector for detecting an optical signal reflected from the target, and a processor. The one or more laser emitters includes a first laser emitter operable in a first mode for emitting an optical signal toward the target a second mode for projecting a first beam onto the target. The processor is coupled to a computer readable memory encoded with executable instructions and is configured, upon execution of the executable instructions, to calculate a distance to the target based on a time of flight of the optical signal. In a further aspect, a method of using a combined range finding and sighting apparatus is provided.