Abstract: A firearm stock assembly includes a firearm stock and a recoil reduction device. The recoil reduction device includes a butt plate and a first collapsible element connected between a butt end of the firearm stock and the butt plate. The first collapsible element is configured to maintain a fixed distance between the butt end and the butt plate until a compressive force between the firearm stock and the butt plate reaches a recoil threshold.

Abstract: A receiver having an integral stock connector component that extends along the receiver; two extension rod/rail apertures formed through the integral stock connector component, wherein each extension rod/rail aperture is formed so as to slidably receive an extension rod/rail extending from a buttstock, such that each extension rod/rail is slidably movable within one of the extension rod/rail apertures; wherein each extension rod/rail comprises a rod channel and two or more rod dimples/detents formed along the rod channel; and a latch that is movable between an engaged position and a disengaged position, wherein when the latch is in the engaged position, a protrusion portion urges latch elements into the rod/rail apertures a distance that seats the latch elements into the rod dimples/detents, and wherein when the latch is in the disengaged position, the protrusion portion allows the latch elements to retract from the rod dimples/detents and into the rod channels.

Abstract: A trigger mechanism for a toy blowgun wherein the toy blowgun comprises: a launching mechanism for launching a projectile from the toy blowgun; and a locking mechanism for locking the launching mechanism in a primed configuration, the locking mechanism being releasable to launch the projectile from the toy blowgun. The trigger mechanism comprises: a trigger chamber having an inlet for receiving a flow of air; and a shuttle movable from a start position to a launching position in the trigger chamber by the flow of air to release the locking mechanism.

Abstract: An apparatus for adapting a firearm for supersonic and subsonic ammunition. The apparatus includes a housing with channels for receiving propellant gas for cycling the firearm and for regulating the pressure of the gas that cycles the firearm. The housing includes a piston in a chamber that constricts the flow of gas when the barrel pressure exceeds a predetermined value. The apparatus includes a spring for applying force to the piston so that the piston position adjusts based on pressure of the gas for each type of ammunition. The method includes steps for manufacturing a firearm to incorporate the apparatus.

Abstract: A device adapted for zeroing of a projectile device having a first scope, the device including a second scope; and an adaptor for securing the second scope to the projectile device. Further disclosed is a method for zeroing a projectile device having a first scope and a second scope, the method including: adjusting the aim of the projectile device by aiming a reticle of the second scope at the center of a bullseye at a target plane disposed at a distance; firing a first shot of the projectile device to create a first point of impact at the target plane; and aiming a reticle of the first scope at the center of the point of impact, wherein a subsequent shot fired from the projectile device is configured to impact a second point of impact aimed at with the reticle of the first scope at the target plane.

Abstract: An initiator assembly having a base, first and second conductive elements, a first electrically insulating member and an energetic material. The first conductive element, which is configured to receive an electrical input, is coupled to the base and includes a tip. The first electrically insulating member is disposed over the tip. The second conductive element has a bridge that is disposed over the first electrically insulating member. The bridge is configured to vaporize in response to transmission of the electrical input from the tip of the first conductive element to the bridge. The energetic material is disposed over the bridge. Energy produced during vaporization of the bridge is transmitted to the energetic material to initiate at least one of a combustion event, a deflagration event and a detonation event in the energetic material. A method for operating an initiator assembly is also provided.

Abstract: A central initiating charge according to embodiments of the invention includes a pellet. The pellet has a proximal end and a distal end. A central longitudinal axis spans from the proximal end to the distal end. A void spans longitudinally in said pellet. The void spans parallel to the central longitudinal axis.

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: There is disclosed a two-stage trigger with a large trigger/sear bearing area and an optimized sear loading angle that provides a lightweight trigger-pull. There is further disclosed a safety that blocks rotation of the trigger.

Abstract: In certain embodiments, a trigger assembly including a bi-stable switch system configured to selectively engage a portion of the sear in a first state and to transition from the first state to a second state to selectively disengage the portion of the sear in response to an electrical signal.

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: A magazine for storing and feeding ammunition cartridges to a small arms weapon which comprises a casing, a floor plate, a follower, and a magazine spring inside the casing. The magazine spring may comprise a first end connected to the follower, a second end connected to the floor plate, and a plurality of coils. Each of the plurality of coils may include a first segment having a first radius, a second segment having a first length adjoining the first segment, a third segment having a second radius adjoining the second segment, the second radius being greater than the first radius, and a fourth segment having a second length adjoining the third segment, the second length being approximately equal to the first length.

Abstract: A cover assembly is provided, for use with an instrument package having a common aperture. The cover assembly includes an inner cover member and an outer radome member. The inner cover member is substantially transparent to electromagnetic (EM) radiation of at least a first wavelength range. The radome member is configured for selectively and reversibly covering the inner cover member and transparent to EM radiation of at least a second wavelength range different from the first wavelength range. The second wavelength range includes a radio frequency wavelength range. The outer radome member is configured for being mounted in overlying relationship with respect to the common aperture of the instrument package. The radome member is configured for being initially in overlying relationship with respect to the inner cover member and for being selectively removed from the overlying relationship with respect to the inner cover member at least during flight conditions.

Abstract: An energy transfer device (10) is provided that is capable of transferring the energy output from one pyrotechnic device (52) to another device (78) for initiating firing thereof. Device (10) comprises a device housing (12) in which a deformable device insert (14) is received. Device insert (14) comprises a central passageway (34) for transmitting the output from a pyrotechnic device (52), including energy, gasses, and/or solids, to another pyrotechnic device (78). The passageway (34) conducts the pyrotechnic device output to a precise location on the second pyrotechnic device (78) where firing is most effectively initiated. The energy transfer device (10) may be employed as a part of a tool (44) used in well completion operations.

Abstract: A high pressure air cylinder to use in an airsoft gun or similar devices and systems. In some embodiments, the present general inventive concept encompasses a cylinder in which an imbalanced poppet valve directs and controls the axial motion of a piston. Some embodiments include a two-way solenoid valve. Some embodiments include a precisely sit two-way solenoid valve. The solenoid valve controls the flow of air to drive a piston forward; air then pushes the piston back into place.

Abstract: A compressed gas gun is provided, having a body. A firing mechanism may be received within the body and may comprise a bolt and valve arranged in-line along a longitudinal axis of the compressed gas gun body. Externally accessible velocity adjustment mechanisms may be provided. A removable end cap may be engaged to a rearward end of the body. A control circuit may be provided in communication with a pressure sensor.

Abstract: A magnetic shield for a locking device such as a gunlock having a first portion and a second portion configured for controlled movement with respect to the other portion and for being held in a fixed and locked position vis-à-vis each other. At least one of the first and second portions includes an electromechanical locking mechanism including a solenoid and solenoid activated spring loaded pin configured, in a first position, for preventing the first and second portions from moving with respect one another and in a second position for allowing the first and second portions to move vis-à-vis one another. A magnetically conducive shield is disposed on or in at least one of the first and second portion that includes the solenoid locking mechanism, for preventing an unauthorized magnetic field from causing the solenoid to retract the spring loaded pin thereby allowing the locking device to be opened.

Abstract: A device that can hold a firearm can be used to prevent the firearm from being damaged, make the firearm aesthetically appealing, absorb the heat generated during use of the firearm, and reduce kick-back generated by the firearm. The device can include an inner portion, an outer portion, and magnets between the inner portion and the outer portion. The outer portion of the device can be made of a friction resistant material, which enhances durability to endure contact with items such as a gun rack or a stabilizing object. The inner portion of the device can be made of a soft material that can be used to cushion the firearm, and optionally clean the firearm. Related methods and products are also described.

Abstract: A projectile launcher including a receiver with a breech proximate to a barrel. A valve assembly is provided that allows selective flow between a source of compressed gas and the breech. A trigger is provided that is movable between a first position and a second position. The launcher includes a firing assembly configured to actuate the valve assembly responsive to the trigger being in the second position. In some embodiments, the firing assembly includes a trigger assist feature configured to cycle the firing assembly in a fully automatic manner when the trigger is in the second position without reciprocating the trigger during the firing cycle. In some embodiments, the receiver includes an opening with a puncture mechanism dimensioned to receive a magazine.

Abstract: A mobile manufacturing and delivery platform that is adapted to provide in a blasthole an explosive composition comprising a liquid energetic material and sensitizing voids, the sensitizing voids being present in the liquid energetic material with a non-random distribution. The platform comprises a storage tank for the liquid energetic material; at least two delivery lines for conveying respective streams of the liquid energetic material from the storage tank; a void delivery system for producing sensitizing voids in at least one of the streams of liquid energetic material; a mixer for mixing the streams of liquid energetic material to produce the explosive composition; and a blasthole loading hose. The mixer may be provided at the end of the loading hose. A blasting method employs the platform to manufacture and deliver the explosive composition into a blasthole, which composition is subsequently detonated.