Abstract: A target sight for a firearm includes a lip on a front end of the target sight configured to be inserted into a mating slot of a receiving portion of the firearm, a bottom surface configured to interface with the receiving portion of the firearm, a first feature extending from the bottom surface configured to interface with the receiving portion of the firearm, a second feature extending from the bottom surface configured to interface with the receiving portion of the firearm, a rear landing on a rear end of the target sight opposite the front end, an iron sight configured to sit on the rear landing, and at least one fastener structured to clamp the rear landing between the iron sight and the firearm, thereby securing the target sight to the firearm.

Abstract: Systems, methods and apparatus are provided through which in some implementations an ammunition cartridge includes a cartridge casing having a longitudinal center axis, a powder pocket positioned adjacent to the cartridge casing, a piston bore positioned adjacent to the powder pocket, a piston in the piston bore, and a payload bay positioned adjacent to the payload bay, wherein the piston is not coupled to the cartridge, wherein the piston is in contact with the payload bay wherein a diameter of the powder pocket is less than an inside diameter of the cartridge casing to provide a reduced velocity to the payload.

Abstract: An ignition device includes an igniter that accommodates an ignition charge to be ignited by energization, and a holder that includes an insertion port for inserting the igniter, and is integrated with the igniter by fitting the igniter from the insertion port and press-fitting a tube body into a press-fitting portion. An end portion of the tube body is fitted into an annular groove formed in a bore, and a labyrinth structure is formed by an inner wall portion, an end surface portion, and an outer wall portion of the end portion, and the annular groove.

Abstract: A kit includes a deterrent device, a grip activation system, and a housing supporting the grip activation system. The housing positions the grip activation system so that a sensing space of the grip activation system extends at least partly adjacent to a trigger guard of the deterrent device. The grip activation system includes an emitter configured to emit first electromagnetic radiation having a first wavelength; a detector configured to detect second electromagnetic radiation having the first wavelength; and a controller. The controller determines, based at least in part on the second electromagnetic radiation, that an object is present in the sensing space; and provides an activation signal to an activatable system in response to determining that the object is present in the sensing space. The activatable system can include a light source. Some examples include a housing, a grip activation system, and an activatable system.

Abstract: The embodiment of this invention is a combined zoom surveillance camera and zoom scope firearm interconnected on a bipole shaft apparatus, including: A top end ball-bearing which is partially encompassed by one end of a peg brace connected to a rotatable overhead pulley rim; A off-middle tripod of three circular level pivotal surveillance cameras; A off-middle ball-bearing which is partially encompassed by a bearing ring affixed with three hook shaped rods for attachably hanging the bipole shaft apparatus from a ceiling; and, a bottom end base of at least one to three scope firearms for targeting a threatening mass human shooter.

Abstract: The ballistic system described in the present disclosure may be used in vehicle settings and by a user as a shield. The ballistic system may comprise a cover, a headrest hood, and an armor system. The ballistic system may include one or more attachment devices or straps. The ballistic system may include a handle and an accessory panel. A portion of the ballistic system may be installed in the seat back pocket of a car. The ballistic systems described herein may be deployed by a user.

Abstract: A blunt impact munition cartridge for firing from a barrel having grooves defining a first bore diameter and lands defining a lesser second bore diameter. The cartridge comprises a case that has a propellant and defining a forward case mouth, and an elastomeric projectile. The projectile has a body portion having a cylindrical sidewall configured to be closely received in the barrel. The projectile includes a first polymeric ring encircling the body portion and has a first ring diameter. The projectile includes a second polymeric ring encircling the body portion and having a second ring diameter different from the first diameter.

Abstract: An inertial mechanical delay mechanism including: a first member rotatable about a first axis in a first direction. The first member having a first center of mass offset from a line parallel to a direction of acceleration and perpendicular from the first axis. A first elastic material exerts a first biasing force to the first member to bias the first member in a second direction. A second member is rotatable about a second axis in a third direction. The second member rotatable in a third direction by at least indirect interaction with the first member when the first member rotates a first angle in the first direction. A second elastic material exerts a second biasing force to the second member to bias the second member in a fourth direction. The first member is configured to rotate the first angle when the acceleration is greater than a predetermined magnitude and duration.

Abstract: Pyrotechnic devices and firing mechanisms for aircraft canopy jettison are disclosed herein. An example firing mechanism includes a housing defining a first bore, a second bore, and a channel between the first bore and the second bore, a primary charge disposed in the second bore, a closure disc between the second bore and the channel, and a firing pin assembly disposed in the first bore. The firing pin assembly includes a percussion primer and a firing pin piston including a piston body, a firing pin extending from the piston body, and a piercing pin extending from the piston body. In response to a firing signal, the firing pin piston is moved toward the primary charge such that the piercing pin punctures the closure disc and the firing pin engages the percussion primer to ignite the primary charge.

Abstract: A spray dispenser includes a container, a valve body, a valve stem, a supply channel, an actuator, and a nozzle. The container valve stem, supply channel and nozzle are in fluid communication. The valve stem is movable from a closed position to a fully open position, wherein in the closed position the valve stem channel is not in fluid communication with the interior of the container, wherein in the fully open position the valve stem channel is in fluid communication with the interior of the container. The actuator is in operative communication with the valve stem, wherein the actuator is movable from resting position to a fully actuated position, wherein in the resting position the valve stem is in the closed position, and wherein in the fully actuated position the valve stem is in the fully open position.

Abstract: A firearm which provides recoil reduction using the kinetic energy of the hammer to cancel a portion of the bolt's recoil after a round has been fired. After the bolt starts to move rearward in response to the detonation, the hammer's forward kinetic energy is transferred onto the bolt by striking it at the moment the bolt starts to travel rearward or after the bolt has started its rearward motion.

Abstract: A system and method for coding firearm-related components to reduce the risk of loading incorrect ammunition into firearms is disclosed. The system includes a plurality of firearm-related components, each associated with a specific caliber of ammunition and marked with a unique identifier. The unique identifier for each caliber may include at least one of a color, a letter, or a shape. Firearm-related components may include storage units, master storage units, ammunition rounds, magazines, holsters, straps, and firearms. The method involves marking these components with unique identifiers and can also incorporate sub-coding for differentiating multiple firearms of the same caliber using additional markings such as stripes or dots in secondary colors. Unique identifiers are applied using methods such as adhesive labels, colored tape, paint, ink dyes, or anodization.

Abstract: A combined sight and optic sight mount securable to an upper surface of a firearm comprising: an aperture frame including: a stationary aft aperture frame; and a movable aft aperture sub-frame situated within the stationary aft aperture frame and comprising: opposed vertical sidewalls, a top wall connecting the opposed vertical sidewalls, and a pair of substantially horizontal planar aiming reference members extending inwardly from the vertical sidewalls and defining a gap therebetween.

Abstract: A tactical laser defense system includes one or more tactical lasers configured to emit one or more respective laser beams at a particular target; one or more other tactical devices comprising at least one of: (i) a camera to capture images and/or video of an area surrounding the tactical laser defense system, (ii) a light source for illuminating the area surrounding the tactical laser defense system, (iii) a microphone for capturing audio information from the area surrounding the tactical laser defense system, and (iv) radar equipment for detecting enemy threats; and a power source operatively coupled to the one or more tactical lasers and the one or more other tactical devices, the power source configured to provide electrical power to the one or more tactical lasers and the one or more other tactical devices.

Abstract: A method for operating an electromagnetic coilgun system, the method comprising: an electromagnetic coilgun comprising: a barrel and a longitudinally extended electrical excitation coil; wherein the electrical excitation coil circumferentially surrounds a bore of the barrel, energizing the electrical excitation coil to produce a steady-state magnetic field within and around the bore of the barrel, the steady-state magnetic field extending along a longitudinal axis of the barrel; loading the barrel with a magnetic dipole projectile at a breech end of the barrel, wherein the loaded magnetic dipole projectile is oriented with a first magnetic dipole moment aligned to a magnetic field orientation of the steady state magnetic field; and firing the magnetic dipole projectile by magnetically propelling the magnetic dipole along the longitudinal axis of the bore by a magnetic force produced by the steady-state magnetic field within and around the bore of the barrel.

Abstract: A ballistic resistant panel assembly, which includes a plurality of ballistic resistant plies positioned in a stack. Further including: a binding layer having a first portion which extends along and overlying a first ply, a second portion which extends from the first portion and along peripheral edges of a less than all of the plurality of ballistic resistant plies in the stack; and a third portion which extends from the second portion and along a second ballistic resistant ply, such that the second ballistic resistant ply is positioned between the first ballistic resistant ply and the third portion of the binding layer. The assembly further includes a plurality of stitches which extend through the first and third portions of the binding layer and through the first and second ballistic resistant plies of the stack.

Abstract: The present disclosure provides systems, devices, and techniques that can be implemented at a gun, such as an electromechanical gun. The gun may include a barrel located within a slide and a cylindrical spring enveloping the barrel. The barrel may be configured to act as a guide rod for the cylindrical spring, and the cylindrical spring may be configured to bias the slide in a forward battery position. The gun may include an electronic component such as an energy store, a processor, or a circuit board, located under the barrel and forward of the trigger when the gun is in an upright position. The gun may include a physical transmission medium that electronically couples the electronic component with an additional electronic component located rearward of the trigger, and the physical transmission medium may be at least partially encapsulated by a trigger guard.

Abstract: The present disclosure provides systems and techniques for identifying gun events. A gun event may include a nominal event, such as the discharging of a projectile or the ejecting of a cartridge shell, or an anomalous event, such as a misfire or a failure to feed. An apparatus may include a sensor that measures motion of a gun along multiple axes. The apparatus may identify a gun event based on the measured motion of the gun satisfying a motion condition. The motion condition may include an acceleration threshold value, and the measured motion of the gun may satisfy the motion condition based on a measured acceleration value exceeding the threshold acceleration value. The apparatus may transmit an electrical signal based on the measured motion of the gun satisfying the motion condition. The electrical signal may reset a charging circuit, increment a shot count, or decrement a round count.

Abstract: A passively and naturally illuminated optical reflex sighting system for a firearm in one embodiment includes a housing configured for detachable coupling to the firearm, an optical lens supported by the housing, a fiber optic element, and a light-transmissible cover enclosing the fiber optic element. The cover and fiber optic element are in visual communication with ambient light which is collected by fiber optic element through the cover. In operation, the fiber optic element absorbs ambient light and generates a reticle on the lens for aiming the firearm. A red or other colored dot reticle may be projected on the lens in some embodiments. No onboard artificial light is used to illuminate the fiber optic element. The housing may include an integrally-formed rear sight which is alignable with a front sight to aim the firearm independently of the fiber optics generated reticle.

Abstract: A mine clearing device configured to be propelled into an area and detonated after landing has a detonating cord and a plurality of explosive blocks along the detonating cord. Each of the plurality of explosive blocks is configured such that, upon landing, a majority of the explosive material is between a ground and a horizontal plane of the detonating cord.