Abstract: A dummy ammo comprises a counterweight component and a contour component, wherein the counterweight component comprises at least one counterweight block, and the contour component comprises at least one cartridge shell; the cartridge shell is provided with at least one inner wall, and the inner wall defines at least one cavity; the counterweight block is arranged in the cavity; when the counterweight block is fixed, the dummy ammo has a weight distribution close to that of a live ammo, so that the problem of being difficult to eject during training can be solved, and the experience is better when being used.

Abstract: Hardened target sensors and systems are described herein. An example system includes a projectile defining an ogive, a body, and a base. The body of the projectile is arranged between the ogive and the base. The system includes a sensor assembly including a nose member and a plurality of strain gauges. The nose member defines a nose portion, a shaft, portion, and a threaded portion. The strain gauges are attached to the shaft portion. The system includes a shroud member, which is mechanically coupled with the sensor assembly and the body. The system further includes a smart fuze arranged within the body. The smart fuze is operably coupled to the strain gauges. The strain gauges measure the compression/tension of the shaft portion, which is part of the nose member. The load measured by the strain gauges can be used to detect hardened target layers and/or voids.

Abstract: A method for determining a performance metric based on a discharge event of a firearm is provided. A plurality of first input signals over a sample window of time from a first inertial measurement unit (IMU) configured on the first firearm are received by a first event detection module associated with the first firearm of a first user. An occurrence of a first shot discharge of the first firearm at a first time based on the plurality of first input signals is identified by the first event detection module. An occurrence of a second shot discharge of the first firearm at a second time based on the plurality of first input signals is identified by the first event detection module. A first split time is determined for the first user based on a difference between the first and second times.

Abstract: An apparatus is structured to receive and contain a bullet. This apparatus also aids in determining a penetrative effect of the bullet relative to a material disposed in the apparatus. The apparatus includes an elongated central core comprising an internal cavity. This internal cavity facilitates ballistic penetrative testing on the material. The apparatus includes a removable lid coupled to the elongated central core. When the removable lid is coupled to the elongated central core, the two components cause the internal cavity to become a sealed internal cavity, except for one directed entry section through which the moving bullet can enter the internal cavity. The apparatus includes a funnel-like member having a wider opening and narrower opening. The funnel-like member is coupled to the elongated central core. The narrower opening provides the directed entry section. Additionally, the funnel-like member is structured to guide the bullet into the sealed internal cavity.

Abstract: A system and apparatus that facilitate automating and increasing the efficiency of ammunition case gauge inspection and testing. A fully interchangeable and mated cartridge case guide chute and cartridge case gauge plate assembly are provided to easily and rapidly change between various ammunition calibers for the automated inspection of ammunition. Variable speed control provides for synchronization of the auto-gauge ammunition inspection system with the source of the manufactured ammunition for inspection.

Abstract: An action timer start switch, a breech block with an integral action timer start switch and a system for measuring internal ballistic data in a test weapon system are described herein. The action timer start switch includes a through-hammer adjustable contact having a first contact element and a contact switch supported on the breech block having a second contact element. The first contact element is adjustable for contacting the second contact element when the hammer is a position to generating a primer strike. The first contact element may be set by simply positioning the breech block in the in-battery position with the hammer in the ignition position and moving the adjustable contact relative to the contact switch through the breech of the universal receiver.

Abstract: Examples are directed towards apparatuses, systems, and methods. For example, an apparatus includes a weight including a first side and a second side. The first side of the weight forms a receiving hole in the first side. A pin includes a first end and a second end. The second end of the pin is inserted into the receiving hole of the weight. The pin includes a reduced portion. A pin detonator is coupled to the reduced portion of the pin to sever the pin when detonated.

Abstract: A gun control unit that can retrofit to any existing firearm or be integrated into a firearm to allow a user to fire a round or rounds through rotation instead of pressing or pulling a trigger, to maximize the use and effectiveness of ammunition. The gun control unit includes an electric rotary trigger and an actuator both operably coupled to each other. The rotation of the electric rotary trigger actuates the actuator which in turn triggers the firing mechanism of the firearm. The operation of the actuator is controlled by a microcontroller that contains a programmable sequenced interval.

Abstract: A system and method for the determination of an optimal ammunition round based upon a barrel length of a given firearm and resulting ammunition. The ammunition is preferably provided in a pair of rounds for a given caliber and bullet optimized for a range of barrel lengths, wherein a user can select a preferred round for a given firearm based upon the barrel length.

Abstract: Hardened target sensors and systems are described herein. An example system includes a projectile defining an ogive, a body, and a base. The body of the projectile is arranged between the ogive and the base. The system includes a sensor assembly including a nose member and a plurality of strain gauges. The nose member defines a nose portion, a shaft, portion, and a threaded portion. The strain gauges are attached to the shaft portion. The system includes a shroud member, which is mechanically coupled with the sensor assembly and the body. The system further includes a smart fuze arranged within the body. The smart fuze is operably coupled to the strain gauges. The strain gauges measure the compression/tension of the shaft portion, which is part of the nose member. The load measured by the strain gauges can be used to detect hardened target layers and/or voids.

Abstract: A blast attenuator for blast overpressure has features that allow for blast attenuation and ease of projectile loading from the muzzle of the weapon system. This combination of physical ease of use and blast reduction allows the system to achieve high levels of performance without making significant concessions to operator safety.

Abstract: Embodiments of the present disclosure provide a positioning system and positioning method. A reverse calibrator for respectively calibrating relative coordinates of at least three ultrasound generators; a processor for generating a carrier signal, multiplying the carrier signal with a spread spectrum pseudo random code to obtain ranging signal, controlling each ultrasound generator to emit ranging signal, and extracting acoustic characteristic parameter of the ranging signals; a device being positioned for capturing ranging signals emitted by each generator, extracting acoustic characteristic parameter of each of the captured ranging signals; determining an ultrasonic delay time of each ultrasonic ranging signal; calculating relative coordinates of the device.

Abstract: A shooting rest with a shoulder rest supports a rear end of a firearm at the shoulder rest and a front end of the firearm at a firearm support. The shoulder rest and firearm support are mounted, respectfully, at a first and second ends of the shooting rest's frame. The shoulder rest comprises a recess for receiving the firearm and receives and encapsulates one or more mounts in a body thereof. A pad for engaging a user's shoulder extends outward opposite the recess.

Abstract: Rifle rests have a base, a rifle support configured to support a forward portion of a rifle, the support movably connected to the base and operable to move vertically and laterally with respect to the base to aim the rifle, an elevation mechanism operably connecting the support to the base and having an adjustable height, a windage mechanism operable to adjust a lateral position of the rifle support with respect to the base, the windage mechanism including an arm having a forward end and opposed rear end, the forward end operably connected to the rifle support to establish a lateral position of the support based on a lateral position of the rear end of the arm, such that lateral movement of the rear end of the arm adjusts the windage of the rifle, and the elevation mechanism including an elevation control element connected to the rear end of the arm.

Abstract: A trigger device that is attachable to a firearm includes a device body, a trigger mechanism, and a safety mechanism. The trigger device is configured to enable remote firing of the firearm. The device body that is attachable to the firearm to removably couple the trigger device to the firearm. The trigger mechanism is coupled with the device body and is configured to engage a trigger of the firearm to effect firing of the firearm. The safety mechanism is also coupled with the device body and is configured to engage a safety of the firearm to adjust the firearm between a firing mode and a safe mode.

Abstract: An electronic locking system is operable to prevent a firearm from firing. The firearm includes an operating mechanism. The electronic locking system includes a power source configured to store electrical energy used to operate the electronic locking system; and a power generation element configured to generate electrical energy as a result of an operation of the operating mechanism, wherein at least a portion of the electrical energy generated by the power generation element is received by the power source.

Abstract: A firearm usage monitoring system configured to store data about location, movement, orientation, and direction of a firearm while in use and includes a hard-wired data and power connection, configured to receive data and power from a wired source. A UART to USB controller is communicatively coupled to the data and power connection and configured to send data to and receive data from the data and power connection. A microprocessor sends data to and receives data from the UART to USB controller. A motion monitor is communicatively coupled to the microprocessor module further comprising a gyroscope, an accelerometer and a compass configured to communicate data about movement, orientation, and direction of the firearm. Memory is communicatively coupled to the microprocessor and the motion monitor. Data about the location and position of the firearm in 3D space is transmitted from the motion monitor and GPS and then stored in the memory.

Abstract: A guided projectile including a precision guidance munition assembly utilizes angular rate sensors to sample a first angular velocity of the precision guidance munition assembly from the first angular rate sensor at a first time, sample a second angular velocity of the precision guidance munition assembly from the second angular rate sensor at the first time, generate a coning command based, at least in part, on the first angular velocity and the second angular velocity, and apply the coning command to the canard assembly. The range may be decreased or increased based on the coning commands.

Abstract: An in-weapon sensor enables electronic measurement of the firing pin indent force of a weapon system. The in-weapon sensor measures, either directly or indirectly, the indent force of the firing pin and communicates the information outside of the weapon to a data capture device. The data capture device provides a visual indication as to whether the firing pin indent force is sufficient or insufficient.

Abstract: A complex pressure environment test device, comprising a test table and a hydraulic control system. The test table comprises a base for fastening a closure head under test, and an outer cover; the base has water inlets and outlets. The hydraulic control system comprises a watering hydraulic pump, a pressurizing hydraulic pump, and a pilot-operated overflow valve; the watering hydraulic pump is separately connected to a first two-position two-way valve and a second two-position two-way valve; the second two-position two-way valve is connected to a second one-way valve; the second one-way valve is separately connected to a water inlet and a first pilot-operated pressure regulating valve; the first pilot-operated pressure regulating valve is separately connected to a first remote pressure regulating valve and a first one-way valve. There is also a hydraulic circuit is present and used for testing.

Abstract: A system for reconstruction of an explosion blast loading on a subject can include at least two pressure sensors and a computing system configured to: receive sensor data from the at least two pressure sensors, the sensor data being generated in response to an explosion blast wave; compute an explosion location and explosive charge mass of an explosive that caused the explosion blast wave based on the sensor data; and compute explosion blast loading on a subject from the explosion location and explosive charge mass. The pressure sensors can be configured as wearable pressure sensors or on equipment. The computing of the explosion location and explosive charge mass includes processing the sensor data through an inverse problem solver (IPS); and/or the computing of the explosion blast loading on the subject includes simulating the explosion blast wave with a forward problem solver (FPS).

Abstract: A device 1 for monitoring firearms use, comprising a sensing means 5, 8, 9 configured to sense firing of the weapon, and further configured to sense one or more of location and weapon orientation.

Abstract: An improved method for the demilitarization of HC smoke ordnance comprising hexachloroethane (HCE), zinc oxide, and granular aluminum in a metal container, the method comprising opening the container and extracting the HCE by contact with a suitable solvent which solubilizes and extracts the HCE from the remaining zinc oxide and aluminum, rendering the materials safe for further handling or disposal.

Abstract: A target sight scope mounting assembly is presented. Additionally, a target sight scope and a plurality of support members are configured to provide a support for the target sight scope. The scope is coupled to one of the support members and pivotally engages the support member. A dampening material may be integrated within at least the first support member thereby dampening the vibrations attendant to a shooting environment.

Abstract: Trigger pull force gauge and methods of use. The trigger pull force gauge includes a housing and an arm extending therefrom. The trigger pull force gauge can include a load cell located at a distal portion of the arm spaced from the housing. The arm can be movable with respect to the housing for selectively positioning the arm in a deployed position and a stowed position with respect to the housing.

Abstract: A sensor system for a firearm is disclosed. The sensor system contains a body, a mounting facility adapted to mount the body to the firearm, a first accelerometer connected to the body operable to generate a first acceleration signal based on detected acceleration of the body, a second accelerometer connected to the body operable to generate a second acceleration signal based on detected acceleration of the body, the first accelerometer operable for detection of accelerations within a first range between a first lower limit and a first upper limit, the second accelerometer operable for detection of accelerations within a second range between a second lower limit and a second upper limit, the first lower limit being less than the second lower limit, and the first upper limit being less than the second upper limit, such that at least portions of the first range and the second range do not overlap.

Abstract: Various mechanical drive devices, mechanical gears, combinations thereof and medical or dental treatment devices with such mechanical drive devices or gears are described. The mechanical drive devices and mechanical gears convert a unidirectional rotational movement received by a motor drive into a multidirectional movement, so that a tool-holding device of the treatment device can be induced to a multidirectional movement, in particular to a, preferably simultaneous, lifting and rotating movement or to a lifting and oscillating rotational movement with a reduced rotational speed.

Abstract: An apparatus and method for investigating and analyzing early shaped charge liner collapse and liner material, wherein such method uses material from an actual liner, in order to collect data on the explosive event and its impact on the material.

Abstract: A clutch mechanism for coupling and decoupling a motor to a rack is disclosed herein. The clutch mechanism having: a clutch lever pivotally mounted to an axis for movement from a first position to a second position; a cam gear having a cam surface, wherein rotational movement of the cam gear causes the cam surface to move the clutch lever from the first position to the second position; and a gear train configured to cause linear movement of the rack in response to rotational movement of the motor, wherein movement of the clutch lever from the first position to the second position disconnects a pair of gears of the gear train.

Abstract: A clutch mechanism for coupling and decoupling a motor to a rack is disclosed herein. The clutch mechanism having: a clutch lever pivotally mounted to an axis for movement from a first position to a second position; a cam gear having a cam surface, wherein rotational movement of the cam gear causes the cam surface to move the clutch lever from the first position to the second position; and a gear train configured to cause linear movement of the rack in response to rotational movement of the motor, wherein movement of the clutch lever from the first position to the second position disconnects a pair of gears of the gear train.

Abstract: A mount for supporting a gun, bow, or other object is provided. The mount includes a support for contacting a ground surface, a beam extending from the support and being pivotable relative thereto, and a first and second clamp assembly extending from the beam for clamping the object thereabout.

Abstract: A method for assessing results from application of energy onto one or more electric or electronic devices includes the steps of acquiring an electromagnetic emission from the one or more devices, directing energy onto the one or more devices, acquiring another electromagnetic emission from the one or more devices having the energy directed thereonto and determining, in accordance with at least one logic algorithm state and/or change in state of the one or more devices. There is also a microprocessor based apparatus that is employed for acquiring the electromagnetic emissions and executing the at least one logic algorithm. Energy is directed by either a weapon or electromagnetic phenomena.

Abstract: A communication connector system is provided for a weapon. The system includes an upper connector configured to be mounted directly to an exterior side surface of an upper receiver of the weapon. The upper connector is configured to be communicatively connected to electronics associated with the upper receiver. The upper connector has a mating interface. The system includes a lower connector configured to be communicatively connected to electronics in a base of the weapon. The lower connector is configured to be mounted directly to an exterior side surface of a lower receiver of the weapon. The lower connector has a mating interface that is mated with the mating interface of the upper connector when the upper receiver is in a closed position. The mating interfaces are physically separable from one another such that the upper receiver is configured to be moved to an open position from the closed position.

Abstract: A method and system are presented for use in determination of the orientation of an aerospace platform with respect to a first rotation axis. A direction of a rotation rate vector of said aerospace platform within a lateral plane intersecting with said first rotation axis is measured and the measured data is analyzed to determine an orientation angle of said aerospace platform about said first rotation axis. While the aerospace platform is in a predetermined-dynamic state movement, a certain direction is determined by measuring a direction of the rotation rate of the aerospace platform within said lateral plane by a sensor assembly mounted on said platform and including at least one rotation rate sensor. An orientation of the platform with respect to said first axis is determined by determining a relation between said certain direction and said known direction within said external reference frame.

Abstract: The invention concerns a process for measuring the initial velocity V0 of an object that can be fired such as a shell or projectile that exits a barrel, said measurement being based on measurement of the force exerted on a sensor device (100) configured inside the object that can be fired, characterized in that the force is measured autonomously inside the object by detection of changes in shape of the sensor device (100) during movement of said object inside the barrel prior to its exit.

Abstract: Embodiments of the present technology are directed to systems and methods for measuring projectile muzzle velocity. A muzzle velocity sensor measures an acceleration as well as a set of events occurring within the barrel of the firearm upon a shot being fired. Using the measured data, a muzzle velocity is calculated. The muzzle velocity sensor is used externally to the firearm, requiring no changes to the firearm or the projectile.

Abstract: An instrumented projectile that senses and transmits change(s) in position of a projectile subsystem(s) during an interior ballistic event in real-time.

Abstract: In one aspect, an apparatus is configured for inclusion in an arrow when the arrow is shot from a bow where the apparatus includes a processor configured to process data generated during a flight of the arrow and determine information concerning a performance of at least one of the bow and the arrow; and an onboard display coupled to the processor and operable to display the information concerning the performance of at least one of the bow and the arrow.

Abstract: A land mine simulator includes a housing having an opening formed in one end thereof. A plate movably supported in the housing's opening has a first face exposed to a surrounding environment and a second face exposed to an interior region of the housing. A non-compressible fluid-filled reservoir in the housing includes a flexible diaphragm opposing and spaced apart from the second face of the plate. Plungers are between each of the second face of the plate and the diaphragm. Each of one or more air spring in the housing includes a cylinder having a movable piston sealed therein with a first side of the piston in fluid communication with the reservoir's fluid and a second side of the piston in fluid communication with a pressurized volume of gas within the cylinder. A pressure sensor is provided in communication with the fluid in the reservoir.

Abstract: The invention relates to a method for determination of the muzzle velocity of a projectile (2) when it emerges from the firing barrel (1) of a shoulder-held weapon. In order not to weaken the firing barrel, it is proposed that a transmitter (3) for transmission of signals be arranged on the end face of the firing barrel (1) and that two sensors (9, 10), which are arranged at a distance d from one another, be arranged in or on the projectile (2) in order to detect the signals transmitted by the transmitter (3) and that these sensors (9, 10) detect a pulse on flying past the transmitter (3), and that the muzzle velocity for the projectile (2) be determined from the time difference between the pulses detected by the two sensors (9, 10).

Abstract: A versatile shooting rest has a base with an adjustable riser on its nose. A clamp mechanism holds a riser in place so that a rest on the riser's end can be situated at desired heights. The base affixes to a tripod or other stand and preferably uses a ball stem that allows for rotation. The base supports the butt, handle, or rear portion of the weapon, while the rest on the riser's upper end supports the forearm, barrel, or front portion of the weapon. An insert can attach in this rest so the rest and insert can accommodate various types of weapons. The versatile shooting rest can be adjusted to accommodate a number of weapons used for hunting, including handguns, pistols, revolvers, long rifles, AR style rifles, and crossbows.

Abstract: Some embodiments pertain to a projectile that includes a casing and a sensor that is wrapped around the casing. As an example, the sensor may be wrapped around a longitudinal axis of the casing. The sensor obtains environmental data that the projectile is exposed to when the projectile is inside a cannon tube. As an example, the sensor may obtain pressure data that the projectile is exposed to during launch of the projectile when the projectile is inside the cannon tube. The sensor may include a plurality of segments that at least partially surround the casing. In some embodiments, the segments may be separated from the casing due to pressure that the projectile is exposed to during launch.

Abstract: A system and method for providing information regarding the trajectory of a projectile is disclosed. The system comprises two subsystems: a non-magnetic sleeve designed to fit over the barrel of a gun, with a series of rings of magnetic material disposed thereupon, and an onboard measurement and control system comprising at least one magnetic sensor and control electronics, located within a projectile. As the projectile passes through the sleeve, the magnetic sensors within the projectile produce signals as the projectile passes through the magnetic rings. From the time profile of the signals thus produced, the projectile's linear and angular muzzle velocities are determined.

Abstract: A system, device and method are provided to enable low energy firearm shot measurement, including, in some embodiments, an impact sensor adapted to detect a substantial impact event from the firearm, and to generate an analog signal representing the impact event; an electronic circuit supporting a microprocessor to enable processing of digital data representing the analog signal, the electronic circuit also supporting a memory unit to store the data, the microprocessor and the memory being designed to be substantially in a sleep state except for a selected time interval related to the impact event following an identification of the impact event from the firearm; an amplifier, adapted to amplify the analog signals and transmit the signals to the circuit; a power source to support the circuit supported components; and a communications module for enabling communicating of the digital data to an external data receiver, upon demand.

Abstract: The invention is a trigger pull training device for improving trigger pull technique. The device has a frame with a trigger track opening and a trigger which goes through that opening. A proximity sensor or a plurality of proximity sensors are placed proximate the trigger track opening. The sensors are connected to an indicator whereby pulling the trigger such that the trigger is within the sensing zone causes the proximity sensor to emit a signal. A plurality of sensors can be lined along the trigger track opening to indicate the accuracy of any pull.

Abstract: A gun rest for releasably attaching to the lower leg of a hunter. The rest is comprised of a lower leg support having upper and lower ends and formed to fit along the side of a leg. The leg support defines an inner leg contact surface and an outer surface. Attached to the outer surface is a telescoping member adjustable for height with an upper end that is attached to a gun support rest or bracket. The lower leg support is releasably attached to the lower leg of a hunter between the knee and the ankle, preferably by releasable straps. It may therefore be carried as the hunter moves about the fields, and when the hunter sits, for example on a deer stand, the rest may be telescoped up for use to create a steady aim.

Abstract: Firearm supporting devices (e.g., firearm vises), methods of assembling firearm supporting devices, and methods of packaging firearm supporting devices are disclosed herein. One aspect is directed to a firearm supporting device for supporting a firearm having a first section and a second section spaced apart from the first section. In one such embodiment, a firearm supporting device includes a base, a first support for carrying the first section of the firearm, and a second support for carrying the second section of the firearm. The base includes a first portion and a second portion configured to be attached to the first portion. The first portion is fixed relative to the second portion when the first and second portions are attached. The first support is configured to project from the first portion of the base. The second support is configured to project from the second portion of the base.

Abstract: A firearm support device includes a carriage movably coupled to a base structure. Movement of the carriage is restricted to a single axis of direction. The firearm support device may also include an attachment feature for mounting a portion of a firearm and a striker assembly for triggering a projectile. A firearm support device may include a carriage slidably coupled to rails of a base structure restricting movement of the carriage to a single axis of direction. The firearm support device may also include an attachment feature for mounting a firearm and a biasing feature coupled to the carriage and the base structure biasing the carriage in an initial position. A method of testing a firearm may include removing a barrel from a firearm, mounting the barrel to a support device, restricting the barrel to a single axis of movement, and firing a projectile with a firing pin.

Abstract: Adjustable shooting rests and shooting rest assemblies are disclosed herein. In one embodiment, a shooting rest includes a rest assembly for supporting a forestock of a firearm. The rest assembly includes a base member and first and second upright members extending from the base member. A position of each of the first and second upright members is independently adjustable with reference to the base member. The shooting rest also includes a support assembly coupled to the rest assembly to move the rest assembly in a first direction and in a second direction. The first and second directions are in a plane generally transverse to a longitudinal axis of the firearm. The shooting rest further includes a base coupled to the support assembly.

Abstract: A stun gun dart acquiring, removing and housing device and method of using this device to remove a dart. The device provides a container, such as a tube, and a slider supported at least partially inside the container and is adapted to grasp a stun gun dart. The user places the slider over the dart, thereby engaging the dart into the distal end of slider and then moves the device away from subject, removing the dart. Then, the user moves the slider rearward into the container to store the dart in a safe location. The dart once locked in place inside the container can now be handled and viewed without concern of inadvertent contamination.