Abstract: A lightweight armor system utilizing a face section having a multiplicity of monoliths embedded in a matrix supported on low density foam. The face section is supported with a strong stiff backing plate. The backing plate is mounted on a spall plate.

Abstract: A fore-end grip is provided for a firearm. The firearm has a barrel, and the fore-end grip is configured to at least partially surround the barrel. The fore-end grip includes at least one finger channel and at least one thumb channel. The finger channel and the thumb channel are configured to receive at least one finger and the thumb, respectively, of a shooter's forward hand when the shooter holds the firearm.

Abstract: An apparatus known as a self-illuminating light-emitting firearm magazine indicator, or simply, light-emitting magazine indicator, (LEMI), is described here forth. The light-emitting firearm magazine indicator makes use of a self-illuminating device. The device and/or materials could comprise: radioactive gaseous isotopes, self-illuminating paint or any other substance that contains self-luminous properties. The light-emitting firearm magazine indicator will make use of any form of self-illumination technology that require no external power source or battery technology in order to give off light emissions. The light-emitting firearm magazine indicator will use the properties of radio-luminescence as a primary, but not exclusive source to create such attributes.

Abstract: A gas regulator for a rifle is provided, the gas regulator having: an elongated member having a first end and a second end; a head portion located at the first end; a pair of openings passing through the elongated member, wherein one of the pair of openings is larger than the other one of the pair of openings; and a recessed area located at the second end.

Abstract: A cartridge magazine for housing a plurality of stacked cartridges and successively dispensing and guiding the uppermost one of the stacked cartridges from the magazine forward toward an inclined ramp leading to a chamber of a barrel of a firearm, the magazine comprising a housing portion and a nose-dive control spring. The nose-dive control spring comprises a resilient shank portion and a bullet-engageable end portion. The shank portion extends from one of the front and side walls to the bullet-engageable end portion. The nose-dive control spring is adapted and configured to prevent an uppermost cartridge from moving into a nose-dive orientation as a breech face of the firearm pushes the cartridge forward toward the inclined ramp of the firearm.

Abstract: A sight aid including a supplementary sight alignment indicator having a projection plane and a projection device adapted to project a supplementary sight alignment indicator and at least one reference point on the projection plane, the supplementary sight alignment indicator is axially-centered with respect to the sight alignment indicator and spaced apart therefrom on the optical axis for forming a composite image with the image of the sight alignment indicator, the target image being viewable together by the user by means of the ocular lens and the projection plane is disposed at a distance from the sight alignment indicator. An adaptor secures the supplementary sight alignment indicator to a portion of the projectile device or the housing.

Abstract: Shell holders for firearms have a body including a plurality of bores, a plurality of elastomeric elements, each associated with a different selected one of the bores, each elastomeric element having a protruding portion that protrudes a selected distance into the bore, a plurality of movable adjustment elements, each connected to the body and each operably engaged to a different selected one of the elastomeric elements, wherein the selected distance the protruding portion of the elastomeric element protrudes into the bore is adjustable based on an adjustment position of each adjustment element, and the selected distance is independently adjustable for each elastomeric element. The shell holder may be for a shotgun. The movable adjustment elements may include a plurality of jaws movable with respect to the body. There may be a gap defined between the body and each jaw. The elastomeric elements may be received within the gaps.

Abstract: A munitions safety and arming device for artillery ammunition, and an artillery ammunition having the same are provided. The munitions safety and arming device for artillery ammunition includes: a body having a first movement path and a second movement path communicating with the first movement path; a mass body housed in the first movement path and moving from one side of the first movement path to the other side of the first movement path upon receiving centrifugal force based on rotation of an artillery ammunition when the artillery ammunition is fired; a slide member movably installed in the second movement path and slidably moving by a predetermined distance when pressed by the movement of the mass body; and a movement delay unit protruding from the first movement path to reduce the centrifugal force exerted on the mass body to delay a time for the mass body to move.

Abstract: An adjustable grip extender for a firearm, comprising: a) an elevating mechanism, including a moveable portion on top and a fixed portion on bottom with respect to the adjustable grip, wherein both portions are pivotally connected in such a way that said moveable portion can be moved angularly with respect to said fixed portion, wherein the bottom surface of said adjustable grip extender is attached to the handle of the firearm in a position that allows a user's trigger finger to rest on said moveable portion for positioning the distal portion of said finger directly in front of the trigger of said firearm and substantially perpendicular to said trigger; and b) an adjustable mechanism for setting the elevating degree of said moveable portion in a fixed position, by changing the relative angular position between said moveable portion and said fixed portion.

Abstract: A sight frame with which the user can convert a handgun into a rifle-like gun is disclosed. The sight frame includes a frame part and stock, as well as an intermediate slide and locking and guide structures in such a manner that said locking and guide structures are arranged on the sight frame for fast attachment to a handgun and that said intermediate slide is by means of the lifting force provided by the locking and guide structures to the handgun arranged to support itself play free against the slide of the handgun along a major portion of the slide and to support itself through the guide surfaces play free against the guide surfaces arranged on the frame part of the sight frame.

Abstract: Embodiments of the invention can include systems and methods for associating an accessory with a firearm. According to one embodiment, an accessory having an accessory portion and an attachment portion can be provided. The attachment portion can allow the accessory to be mounted to at least a portion of a rail assembly of the firearm when the attachment portion is clamped to the portion of the rail assembly of the firearm. The attachment portion can include a clamp assembly comprising a clamped position and an unclamped position. The attachment portion can also include a lever assembly operable to move the clamp assembly between the clamped position and the unclamped position respectively. Moreover, the attachment portion can include a lever assembly housing for at least partially enclosing some or all of the lever assembly.

Abstract: An accessory device for attachment to a firearm may include a device body having a light source and a biasing member extending from the device body through an aperture of a rail clip. The biasing member has a distal end shaped for insertion into a firearm slot, and the device body has an anti-rotation feature that prevents the body from rotating about the biasing member with respect to the rail clip when the distal end is inserted in the firearm slot.

Abstract: This invention is a segmented missile that uses multiple circular linear shaped charge warheads deployed in tandem. Each warhead is capable of full-caliber holes and 5 to 15 charge diameters of penetration for each warhead, depending on the target material. The full-caliber hole capability allows for the warheads to travel down the hole made by the previous warhead. Each warhead is sequenced in its time of arrival at the bottom of the hole, allowing for a cumulative effect.

Abstract: The present invention is directed to a tactical accessory mount and aiming system, which may be magnetically secured to the slide of a pistol. The tactical accessory mount may have a longitudinal axis. The tactical accessory mount further may include a first wall substantially aligned with the longitudinal axis, a second wall spaced from the first wall, and a third wall disposed between the first and second walls. The third wall may include an inner surface with a first opening and a magnet disposed in the first opening. The inner surface and magnet may form a substantially planar surface. The first, second and third walls may form a three sided compartment which is configured and dimensioned to be slidably received on a pistol slide. The substantially planar surface may be positioned to magnetically adhere to the pistol slide and secure the tactical accessory mount to the pistol slide.

Abstract: An inflatable borehole plug comprising an inflatable fluid tight bag with a storage container containing an inflation fluid in a compressed state located within the fluid tight bag. The storage container has a first actuator and a second actuator located at opposite ends thereof to initiate release of inflation fluid and hence effect expansion of the fluid tight bag. Choice of the vertical orientation of the first and second actuators and of which or both are activated provides differing rates of release of the inflation fluid and corresponding different rates of inflation of the fluid tight bag.

Abstract: A firearm having a lower receiver is provided. The receiver is adapted to couple with a plurality of upper receivers having different calibers. The lower receiver comprises a receiver extension having an opening therein. A spring is disposed within the opening. A buffer member is provided having a first portion having an end. The buffer member is coupled to the spring within the opening, wherein the buffer member is movable between a first position where the end is within the opening and a second position wherein the end external to the opening.

Abstract: A system and method for charging a handgun. A body is frictionally fit over the slide of a handgun and placed against a hard surface. The grip of the handgun is depressed, thereby retracting the slide and ejecting any spent cartridge. As pressure on the grip is released, the recoil spring forces the slide forward relative to the frame of the handgun, stripping a cartridge from the magazine and inserting the cartridge into the barrel of the handgun. The body is then removed from the slide and the handgun may be fired. The body is configured to fit into frictional mating engagement with the slide and allow the barrel of the handgun to extend into a cavity in the body as the slide is retracted relative to the frame of the handgun.

Abstract: The invention consists of a safety and arming device for a projectile and using micro electro-mechanical technology that incorporates at least three layers of substrate: a bottom, a top and at least one intermediate layer incorporating at least one mobile part with respect to the different layers of substrate wherein the bottom and top incorporate raised patterns, the raised patterns being evenly spaced over the bottom and the top such that the mobile part is always, when in movement, held immobile between the raised patterns of the bottom and those of the top, the raised patterns of the bottom being in contact with a lower face of the mobile part and the raised patterns of the top being in contact with an upper face of the mobile part.

Abstract: A locking adjustment device for changing an adjustable setting of a device such as a riflescope locks in a baseline position to provide expedient feedback regarding an adjustment position of the adjustable setting. The device includes a guideway extending around an axis and a knob mountable over the guideway for rotation about the axis. The guideway includes a notch and a curved slide surface sized to slidably receive a guide tab carried by the knob. The guide tab is biased so as to urge at least a portion of the guide tab into the notch when the knob is rotated to a locked position, thereby preventing inadvertent rotation of the knob from the locked position. A button carried by the knob is depressible to urge the guide tab out of the notch and thereby allow the knob to be manually rotated away from the locked position.

Abstract: A trigger mechanism has a hammer, a hammer spring, a disconnect rest and a sear. The sear translates along a longitudinal axis between a rest position and a break point and also moves in an arc around a rotational axis from the break point to a disconnect position. The sear has a hammer side that presses against and rotates the hammer's cam end of as the sear moves between the rest position and the break point and thereby rotates the hammer's striking end around the hammer's pivot point between its seated and cocked positions. The support side contacts the disconnect rest's face as the sear moves between the rest position and the break point. The support side has an edge that is located at the ledge at the break point position. The hammer spring forces the sear to the disconnect position as the edge moves past the ledge.