Abstract: An apparatus for ambidextrous control of a bolt carrier and/or a magazine release is disclosed. In certain examples, the apparatus includes a lower receiver of a firearm including a protrusion extending outward from a first side of the lower receiver, the protrusion. The protrusion, in certain examples, includes a first slot for receiving an L-shaped lever, the L-shaped lever having a vertical arm coupled to a bolt catch lever and a horizontal arm that extends through a trigger area to a second side of the lower receiver that is opposite the first side. In certain examples, the protrusion also includes a second slot for receiving a magazine catch lever.

Abstract: An optical trigger for bows, crossbows and firearms preferably includes a trigger member, a light source and a light receiver. The trigger member is pivotally retained relative to at least one surface with a pivot rod. The trigger member preferably includes a pull area and an actuation area. An actuation hole is preferably formed above a pivot point. The actuation hole allows light to travel from the light source to the light receiver. The light source and the light receiver are retained relative to one of first and second sides of the trigger member. One end of a spring is engaged with an edge of the actuation area and the other end is retained relative to a support surface. It is preferable to have a light shield located on opposing sides of the trigger member. Each light shield surrounds the actuation hole and the light source or light receiver.

Abstract: A cartridge includes a cartridge case having a shell having a first end portion, a second end portion opposite the first end portion and a cylindrical body extending from the first end portion to the second end portion. A reinforcing cap includes a base, a sidewall extending from the base and surrounding the first end portion such that the first edge of the shell abuts an inner face of the base, and a projection extending from the inner face. A ring is pressed against the inner face and forms an air-tight seal between the projection, the inner face, the ring, and the first end portion of the shell. A plurality of indentations form protrusions in the sidewall and the first end portion for interlocking the reinforcing cap to the shell and retaining the ring against the inner face of the base.

Abstract: A self-loading rifle comprising: an upper receiver defining a bolt passage, a bolt operable to reciprocate in the passage motivated by energy from discharge of the rifle, and a barrel extending from the upper receiver. The lower receiver is connected to the upper receiver and contains a trigger group and has a forwardly-extending support below the barrel, a tubular handguard encompassing at least a rear portion of the barrel, and is connected to the forwardly-extending support. The self-loading rifle of claim 1 in this the handguard is not directly connected to the upper receiver or to the barrel.

Abstract: The present invention provides a polymer nose for a polymeric ammunition cartridge having a generally cylindrical neck having a projectile aperture at a first end, a shoulder comprising a shoulder top connected to the generally cylindrical neck opposite a shoulder bottom, a nose junction positioned around the shoulder bottom, a skirt connected circumferentially about the nose junction to extend away from the shoulder bottom, wherein the nose junction and the skirt are adapted to mate to a base junction in a cartridge.

Abstract: Embodiments of a magazine coupler include a coupler body, a first magazine attachment interface coupled to the coupler body and configured to removably mount a lower end portion of the first firearm magazine to the coupler body, a second magazine attachment interface coupled to the coupler body and configured to removably mount a lower end portion of the second firearm magazine to the coupler body, and a finger aperture extending formed through the coupler body. The finger aperture is sized and shaped to enable a user or firearm operator to spin the magazine coupler about a finger of the user when inserted through the finger aperture to vary which of the first firearm magazine and the second firearm magazine resides in an upright orientation for insertion into a well of a firearm when the magazine coupler resides in a deployed state.

Abstract: A time-passage indicator device can comprise a housing, a plurality of light elements located inside the housing, a window comprising an inner and an outer surface, and a processor that controls the plurality of light elements. Some devices also contain a touch sensor, and the processor controls the light elements based upon signals from the touch sensor. The window can be attached to the housing and diffuses or scatters the light from the plurality of light elements. The light elements can emit light through the window forming an illuminated region viewable by a user. The processor can control the light elements such that the illuminated region changes to indicate the passage of time. The illuminated region can be viewable from all angles between 10 degrees and 90 degrees, where the angle of 90 degrees corresponds to a normal viewing angle.

Abstract: A bolt-action weapon includes a receiver rotatable about a longitudinal axis, a first gear component, a second gear component and a bolt-action lever. At its front end, the receiver has a non-rotating bolt head. The first gear component is attached to the rear end of the receiver in a rotationally fixed manner, wherein the receiver rotates with the first gear component when the latter rotates. The second gear component lies at an angle to the first gear component and is in engagement with the latter for mechanical transmission of a rotational movement. The bolt-action lever is connected to the second gear component such that the bolt-action lever can rotate with it, whereby the bolt-action lever can be engaged in at least two functional positions. The bolt-action lever is movable back and forth in axial direction together with the two gear components and the receiver.

Abstract: A firearm illuminator has a housing having a front portion, a rear portion, and an intermediate portion between the front and rear positions, a light source at the front portion, a power source at the rear portion, a power conductor interconnecting the light source and the power source and coextensive with the intermediate portion, and a weapon sight connected at the intermediate portion between the light source and the power source. the weapon sight may be a post sight. The weapon sight may be a front sight configured to register with a rear weapon sight. The weapon sight may be movable between a stowed position and an extended position. An indicating portion of the weapon sight extends above the housing when in the extended position. The housing may have an upper surface below a selected limit level. The weapon sight may be configured to extend above the limit level.

Abstract: A dart launcher having few but integral parts and an assembly process that is quick and easy for forming robust but inexpensive toys. The launcher may have an outer body, a safety valve and spring, a valve cap, a trigger, a piston, a launch spring, a cylinder cap and a plunger rod. The outer body includes an integral cylinder portion, a barrel portion and a trigger-mounting portion, the trigger includes an integral finger pad portion, a latch arm, a biasing portion and resilient legs. The piston includes an opening and a connector component formed around the opening to snap-fit with the piston, the cylinder cap includes an opening for the plunger rod and a connector component to connect with the cylinder portion, and the barrel portion includes a valve and mandrel support for supporting the safety valve and spring.

Abstract: A modular initiator assembly comprising a receptacle and connector combination adapted to shunt the electrical contacts of the initiator as a default condition and to only unshunt the electrical contacts coupled to the initiator when the receptacle and connector establish a fully seated connection.

Abstract: The disclosure relates to a viewing optic. In one embodiment, the disclosure relates to a display system for a viewing optic. In one embodiment, the disclosure relates to a viewing optic having a display system with multiple active displays for generating images that are projected into a first focal plane of an optical system. In one embodiment, the disclosure relates to a viewing optic with an active display and a round counter system.

Abstract: This disclosure relates to weapon receivers, profile rails, and weapons. According to one example, a receiver for a self-loading firearm, includes a first guide track within which a loading lever can be moved to move a loading tube that can be brought into contact with, or is in contact with a breechblock; a second guide track connected to the first guide track, wherein the loading lever can be shifted to the second guide track via a first opening in the receiver to move the loading tube, such that the loading lever can be operated ambidextrously. Other examples are contemplated.

Abstract: A charging handle assembly for a firearm includes a main body with a head and a shaft extending forward from the head, a left handle disposed at the head, a right handle disposed at the head, at least one latch disposed at the head, and a plunger disposed at the head. The left handle and the right handle are identical.

Abstract: Provided is a detonation interrupt device. The detonation interrupt device, in one aspect, includes a first detonation train member positioned within a housing, and a mechanical member positioned proximate the first detonation train member. In this aspect, the mechanical member is movable between a first position physically separating the first detonation train member from a second detonation train member and thereby preventing the first detonation train member from detonating the second detonation train member, and a second position not physically separating the first detonation train member from the second detonation train member and thereby allowing the first detonation train member to detonate the second detonation train member, wherein the mechanical member is configured to automatically move from the first position to the second position as the housing and the second detonation train member move linearly with respect to each other.

Abstract: Corrosion preventative devices configured to be inserted within a storage container are disclosed. The exemplary corrosion preventative devices are made from or otherwise include a material configured to release corrosion protection molecules.

Abstract: A malfunction insert is for a firearm that includes a magazine. The malfunction insert includes a narrow end comprising a narrow edge, a concave surface disposed at an opposite end of the malfunction insert from the narrow end, and a central member that connects the concave surface and the narrow end. The malfunction insert is configured to be inserted into the magazine.

Abstract: A stationary life-saving unit launcher. The stationary life-saving unit launcher includes: a base; a compressed gas tank mounted to an upper portion of the base and supplying compressed gas; a frame mounted above the base by being spaced apart by a predetermined distance therefrom; and a launch unit mounted to the frame and firing a life-saving unit by using the impact force of the compressed gas supplied from the compressed gas tank. The launch unit is capable of firing a projectile without a loading motion for firing the life-saving unit after the mounting thereof.

Abstract: The present invention provides a metal injection molded ammunition cartridge comprising a metal injection molded bottom portion comprising a primer recess in communication with a primer flash hole that extends into a propellant chamber and a metal injection molded body extending form the metal injection molded bottom portion.

Abstract: An impact absorption structure (1) is provided. The impact absorption structure (1) comprises an impact receiving component (3), capable of, after receiving an initial impact shockwave, separating that shockwave into at least a first shockwave (S11) and a second shockwave (S122), time-spaced from the first shockwave (S11). The impact absorption structure (1) also comprises an energy dissipation component (5) adjacent to the impact receiving component (3), such that the time-spaced shockwaves (S11, S122) can be passed across an interface from the impact receiving component (3) to the energy dissipation component (5).