Abstract: A modular barrel system for firearm includes a first barrel segment and a second barrel segment. Each barrel segment comprises a tubular member having an axial bore, a proximal end, and a distal end. The proximal end of the first barrel segment has a first threaded element for removably attaching the first barrel segment to a firearm. The distal end of the first barrel segment has a second threaded element and the proximal end of the second barrel segment has a third threaded element which is complementary with the second threaded element, the third threaded element for removably attaching the second barrel segment to the first barrel segment. In a further aspect, method for the manufacture of a modular barrel system are provided.

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: An optical bench for supporting a reflex sight in a weapon-mounted sight assembly includes a reflex sight mounting portion having a first surface for receiving a reticle light source and a first reticle lens mounting arm spaced apart from a second reticle lens mounting arm. The first and second reticle lens mounting arms are attached to the reflex sight mounting portion and the first and second reticle lens mounting arms are configured to engage opposite sides of a reticle lens to support the reticle lens in an optical path of the reticle light source. The first and second reticle lens mounting arms are sufficiently resilient to accommodate thermal expansion and contraction of the reticle lens. In further aspects, a weapon sight assembly employing an optical bench and a method for manufacturing an optical bench are provided.

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 rescue system includes a wearable article, such as a wristband, which includes a radio frequency identification (RFID) tag, a radio frequency (RF) beacon, and a power supply. One or more RFID readers (collectively, an RF network) are located on a vessel, the RFID readers being configured to communicate with the RFID tag. Should the RF network detect a passenger overboard event, a modular rocket system is deployed. The modular rocket system comprises a guidance module, the guidance module including a guidance system for guiding the modular rocket system toward a target. A flight control module is removably attached to the guidance module, said flight control module including a plurality of airfoils. A flotation module is removably attached to the flight control module, said flotation module including a flotation device. A rocket motor module removably attached to the flotation module, said rocket motor module including a rocket motor configured to propel the modular rocket system.

Abstract: In one aspect, a sensor system for advanced smart weapons barrels includes one or more sensors, the sensors connected to a processor by way of conductive elements. The smart weapons barrel system may include one or more barrel segments, such segments being removably attached to each other. In certain embodiments, the sensors are positioned along the barrel segments and generate an electrical signal in response to a projectile being fired by the host firearm as the projectile moves past the respective sensor. The processor receives raw data from the sensor signal and may extrapolate and/or calculate further information in order to determine any number of a variety of metrics or other data analysis, including, but not limited to, round count projectile velocity, rate of fire, etc.

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 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 wearable illuminating and video recording system for use in conjunction with a handheld firearm includes a housing having first and second ports in a surface of the housing. A light source is disposed within the housing and positioned to emit light through the first port. A camera module is disposed within the housing and positioned to detect images through the second port. A recording module is disposed within the housing for receiving a video signal from the camera and storing data representative of the video signal. A power supply is disposed within the housing for providing power to operate the light source, camera, and recording module. An RF tag is disposed within the housing and a circuit including an RFID reader is associated with the firearm. The RFID reader is configured to transmit signals to the RF tag and receive signals from the RF tag and the circuit is configured to control operation of the firearm.

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: In one aspect, an eye shield for a respirator mask of the type having a face piece adapted to fit over the face of a user is provided. The eye shield includes a visor assembly including a visor surrounded by a frame, the visor assembly configured to be removably mounted in an opening in the face piece. One or more fastener elements are provided on the frame for removably securing the visor assembly to the face piece. The visor is formed of a transparent material which filters electromagnetic energy emissions at one or more preselected wavelengths. In certain embodiments, one or more head up display assemblies are attached to the visor assembly for projecting a human viewable image to the visor.

Abstract: A torpedo apparatus comprises a propulsion module operable to propel the torpedo apparatus through water and a steering module operatively coupled to the propulsion module. The steering module including a plurality of fins which are controllable for controlling a direction of travel of the torpedo apparatus through water. A plurality of head modules are removably and interchangeably attachable to the torpedo apparatus, wherein each of the head modules houses at least one guidance assembly and at least one utility assembly. A power supply module is configured to provide power to the propulsion module, the steering module, and an attached one of the head modules.

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 torpedo apparatus comprises a propulsion module operable to propel the torpedo apparatus through water and a steering module operatively coupled to the propulsion module. The steering module including a plurality of fins which are controllable for controlling a direction of travel of the torpedo apparatus through water. A plurality of head modules are removably and interchangeably attachable to the torpedo apparatus, wherein each of the head modules houses at least one guidance assembly and at least one utility assembly. A power supply module is configured to provide power to the propulsion module, the steering module, and an attached one of the head modules.

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.