Abstract: A method comprising the steps of providing an Explosive Initiation Safety and Handling System (EISS) coupled to a robot, operatively coupling a charge carrier table and a manipulator to the robot; securing a charge to the charge carrier table; installing a shock tube spool on the shock tube spooling mechanism and locking with an indexing nut; inserting the shock tube that has been uncoiled from the spooling mechanism into the interrupter and replacing the cap; attaching the shock tube to the charge; making an initiator-to-interrupter connection with the shock tube; retracting the manipulator on the robot to a fully stowed position and rotating the charge carrier in front of the robot; picking up the charge with the manipulator, extending the manipulator forward and placing the charge at a threat; stowing the charge carrier; positioning the robot at a distance from the threat, allowing the shock tube to spool out; remotely activating a first firing circuit on the robot to arm the system; cutting the shock tube

Abstract: The present invention relates to a gun with a removable barrel, the barrel having a mounting rail connected to it and extending in the direction of the longitudinal barrel axis A, the barrel being connected to the system housing by means of a receptacle on the system housing, the receptacle being tubular at least partially in the direction of the longitudinal barrel axis A and the corresponding inner tube diameter dl being adapted to the outer circumference of the barrel, so that the barrel can be introduced into the receptacle in the direction of the longitudinal barrel axis A when the barrel is mounted on the system housing, and wherein the receptacle has a recess of the tube circumference which extends in the direction of the longitudinal barrel axis A, wherein the barrel is fixed axially with respect to the longitudinal barrel axis A by at least one connecting element and is fixed with respect to rotation at least in that the mounting rail extends in its longitudinal direction at least partially within th

Abstract: The present disclosure relates to a firearm barrel assembly comprising: a barrel; a sleeve disposed within and spaced apart from the barrel and forming a chamber between the inner surface of the barrel and the outer surface of the sleeve; and a sound suppression assembly disposed within the sleeve and comprising at least one vent aperture in communication with the chamber such that shear and expanding gases from a fired bullet are directed into the chamber.

Abstract: A follower insert system for a follower in a firearm magazine is disclosed. The follower insert system comprises an insert block having a front side, a rear side, a top side, and two lateral sides facing in opposite directions, wherein at least one of said two lateral sides has a recess; a spring disposed in said recess of said insert block; and a lateral pin disposed adjacent to said spring. The follower insert system may further comprise a cover disposed on a lateral side of said insert block, wherein said cover has an aperture disposed in alignment with said recess of said insert block, wherein said lateral pin is disposed through said aperture of said cover. When the follower reaches the top portion of a magazine, the lateral pin engages the magazine release and the magazine is automatically ejected.

Abstract: A visual targeting variable range adjusting apparatus, including at least some of a housing having an optical cavity defined at least partially within the housing, wherein the optical cavity extends from an incoming image aperture to an outgoing image aperture; two or more rotationally adjustable lens holders, wherein each rotatably adjustable lens holder is rotatably positioned within at least a portion of the optical cavity, wherein at least a portion of each of the rotationally adjustable lens holder comprises a reflective surface, and wherein adjustment of at least one of the rotationally adjustable lens holders adjusts the reflective surfaces such that a target image entering the incoming image aperture is reflected by the reflective surfaces, so as to exit the outgoing image aperture at a determined offset.

Abstract: A magazine release blocking system including a blocking element and a magazine release, wherein the blocking element is positionable at least partially within a blocking element channel extending between an upper surface of a lower receiver and a magazine release button receiving cavity or a magazine release receiving cavity, and wherein the blocking element is movable between a disengaged position and an engaged position, wherein if the blocking element is in the engaged position, at least a portion of the blocking element extends such that at least a portion of the blocking element inhibits movement of the magazine release or the magazine release button, and wherein if an upper receiver of the firearm is operably positioned atop the lower receiver a surface of the upper receiver urges the blocking element to the engaged position.

Abstract: A tear gas-based enhancement to a fluid bed security system implemented for the purpose of inhibiting unauthorized entry or access and to provide additional time for threatened individuals to evacuate or escape a hostile assembly at the perimeter of a secured area. The system provides for the reliable and controlled application of a specified concentration of tear gas emitted in conjunction with fluidizing gas distributed through a fluid bed configuration comprising a gas distribution piping array and a plurality of fluidizable granular solids in a surrounding relationship to the gas distribution piping array.

Abstract: A tactile reference attachment for providing a user with tactile biofeedback. The attachment includes a tactile reference feature that extends longitudinally along an exterior body surface and is formed with dimensions specifically tailored to harness the user's natural attributes of sensibility, proprioception, and neuromuscular memory to improve a user's performance.

Abstract: A gun sighting assembly for training aiming a gun includes a front sight block that is mountable to a top of a gun. A rear sight block is mounted to the top of the gun. The rear sight block has a pair of alignment slots extending therethrough and each of the alignment slots passes light therethrough. The rear sight block has an elevation slot extending therethrough and the elevation slot passes light therethrough. A plurality of lenses is each coupled to the rear sight block and each of the lenses is aligned with a respective one of the alignment slots and the elevation slot. Each of the lenses is visible to a user when the user properly aims the gun. In this way each of the lenses communicates a visual cue to the user that the user is aiming the gun properly.

Abstract: A weapon for firing rounds of linked, or un-linked, ammunition includes a motor-driven chain drive which rotates about a track. A rotatable feeder engages the ammunition to feed an ammunition round into a round extractor/retractor. A rotatable round positioner receives an ammunition round from the round extractor/retractor, and rotates it to a firing position. A main geneva wheel, mounted near the chain drive, is sequentially engaged by first and second drive rollers, secured to the chain drive, for being periodically rotated thereby. Drive pins of the main geneva wheel sequentially engage radial slots in a belt/round feed geneva wheel and a round positioning geneva wheel for timed rotation thereof to synchronize the operation of the round feeder and round positioner.

Abstract: A light weight shoulder fired projectile weapon is shown which could be used against multiple target sets. The accurate and consistent muzzle velocity needed for these multiple purposes is accomplished through accurate and consistent gun chamber pressure. A shot start feature integrated with sabot sections on the projectile consistently holds the projectile in place in its launch tube until the consistent chamber pressure is reached.

Abstract: A holographic sporting/combat optic may be mounted to weapon. The sporting/combat optic includes a holographic optical element that projects a composite reticle image having at least two reticle elements. The first reticle element projects into the optical viewing window in response to light having a first wavelength; whereas, the second reticle element projects into the optical viewing window in response to light having a second wavelength which differs from the first wavelength. By selectively turning on and off different light sources, the reticle elements can be selectively projected into the optical viewing window of the sporting/combat optic.

Abstract: A gun includes a bolt member that is disposed in a gun body so as to be movable forward and rearward, that moves rearward in response to gas pressure generated by bullet shooting so as to compress a bolt spring, and that moves forward in response to release of the compressed pressure so as to perform a bullet loading operation, and a bolt stop that stops forward movement of the bolt member. The bolt stop (31) has engagement means (36) for engaging with the bolt member which moves forward to reach the engagement means (36) after last bullet shooting, and includes buffer means (40) for buffering an impact force applied to the bolt stop due to the engagement so as to act on the bolt stop.

Abstract: A compressed gas gun including a housing and a bolt movable within a passage in the housing. Movement of the bolt relative to the housing opens a flow path for firing a projectile.

Abstract: Systems and methods for an adjustable gas block are described. Systems may include an adjustment subassembly. The adjustment subassembly may include a valve stem end with a front-most portion larger in diameter than the rear-most portion and a boss extending from the forward portion of the valve stem end; a valve ring surrounding the boss of the valve stem end; a valve threaded portion for receiving the boss of the valve stem end and having a threaded portion; and a valve rotator coupled to the valve threaded portion for adjusting the flow of gas. Systems may include a gas block assembly. The gas block assembly may include a gas block through hole; a first duct to direct pressurized gas from a barrel to a plenum; a second duct to direct a regulated volume of gas to a gas operating system; a seat valve to control the regulated volume of gas to the gas operating system; and a gas block threaded portion for coupling to the valve threaded portion.

Abstract: An improved bolt and bolt carrier with integral gas key having an extension nozzle threadedly secured and pinned to the gas key for use with a direct gas operated firearm is provided. The extension nozzle is designed to receive a portion of the host firearms gas operating system. The firing pin retaining pin is oriented so as to expose its widest profile to the firing pins annular flange, increasing its service life. The bolt has a plurality of lugs extending from its forward end and an extractor recess. The extractor recess is constructed to accommodate an enlarged extractor claw while not undercutting the bolt lugs adjacent thereto. The extractor engages approximately 57% more of a seated ammunition cartridges rim as compared to some prior art AR15/M16 type extractors used with automatic firearms chambered in 6.8SPC. The result is an improved bolt and bolt carrier which provides for increased operational reliability.

Abstract: A gun standoff device may include an elongated body having crenulations at a first end and an attachment mechanism at a second end. The crenulations at the first end may provide a plurality of radially disposed teeth about the circumference of the first end. The attachment mechanism may allow attachment of the elongated body to a gun barrel, a gun magazine, or other gun component.

Abstract: A range finder for determining a distance to a target object includes a thermoelectric module and a range finding unit. The range finding unit includes a light source for emitting light onto a target object, a light receiving unit configured to receive light reflected by the target object, a distance calculation unit for calculating the distance to the target object based on the reflected light, and a display unit for displaying the calculated distance to the target object. The thermoelectric module generates electricity from a thermal gradient, produced from a user's body heat that is transferred to the module. The electricity power generated by the thermoelectric module powers the components of the range finding unit. Related methods are also provided.

Abstract: An assembly includes a rifle and a rifle scope housing, defining an eyepiece. An optical train includes a reticle. When a user looks through the eyepiece, a display is presented having a set of first horizontal lines, each marked by an indicium and a set of second horizontal lines, each marked by an indicium. A pair formed of a first and a second horizontal line is spaced apart by a distance that fits an adult black-tail buck from back to the brisket if the buck is at a range that results in a bullet drop. The first horizontal lines is labeled with a first indicium. Also, a set of marks includes a first mark which will, if placed on a target, result in an elevation angle, relative to the target, that will compensate for the bullet drop, and wherein the first mark is also marked with the indicium.

Abstract: A magazine release block including a blocking element and a lower receiver of a firearm, wherein the lower receiver comprises a blocking element channel extending between an upper surface of the lower receiver and a magazine release button receiving cavity, wherein the blocking element is positioned within the blocking element channel, and wherein the blocking element is movable between a disengaged position wherein the blocking element does not inhibit movement of a magazine release button and an engaged position wherein at least a portion of the blocking element inhibit movement of a magazine release button, and wherein when an upper receiver of the firearm is operably positioned atop the lower receiver a surface of the upper receiver urges the blocking element to the engaged position.