Abstract: A tandem sub for a perforating gun system includes a tubular housing including a longitudinal first end, a longitudinal second end opposite the first end, a central passage defined by an inner surface, an electrical pass-thru assembly including an electrically conductive signal bar having a longitudinal first end defining a first electrical contact of the tandem sub, and a longitudinal second end opposite the first end and defining a second electrical contact of the tandem sub that is longitudinally opposite and electrically connected to the first electrical contact, wherein the signal bar is rigid along the entire longitudinal length thereof extending from the first end to the second end, and wherein the signal bar is coupled to the housing and a central axis of the central passage of the housing intersects the signal bar.

Abstract: A scope cap assembly for mounting on a scope of a firearm is provided, including a resilient sleeve for mounting to the scope of the firearm; a support body fixed to the resilient sleeve and including a mounting portion; a cap defining an aperture and pivotably mounted to the support body and movable between a closed position and an open position greater than 180 degrees from the closed position; a biasing member for biasing the cap towards the open position; a retaining mechanism for releasably securing the cap at an intermediate position between the closed position and the open position; and a first removable disc configured for placement within the second aperture and defining a annular protrusions for cooperating with annular flanges of the cap to secure the first removable disc in the cap.

Abstract: In one example, a downhole system includes a housing configured to be releasably connected to a tether, projectile fire control circuitry disposed within the housing, a block chamber connected to the housing, and the block chamber includes one or more reloadable chambers each configured to be loaded with a respective projectile, and a firing system operable to directly, or indirectly, control the firing of a projectile, in response to a command issued by the projectile fire control circuitry.

Abstract: An air gun configured to propel a projectile without the use of combustion at a preselected velocity is provided. The air gun includes at least one first valve disposed between a chamber and a source of compressed gas, and at least one enhancement mechanism to improve the efficiency of the compressed gas to propel the projectile at a preselected velocity.

Abstract: A firearm stabilizing system includes a first mating member attached to a bottom surface of the firearm. A second mating member is mounted on an upper edge of a wall. The first and second mating members are magnetically attached to each other to stabilize the firearm when the firearm is being discharged.

Abstract: Disclosed are a method and/or a system of forming a body shield for providing protection against a sharp object penetration and/or a physical attack. The body shield includes a cavity formed in an interior portion of the body shield in which items can be stored. In addition, the body shield includes a plurality of horizontal straps affixed on a back side of the body shield. The plurality of horizontal straps is configured to enable a user of the body shield, to maneuver the body shield on a human arm, to shield against the physical attack.

Abstract: A loading tube is configured to receive one or more shaped charges to form a perforating gun. The loading tube includes a tubular body extending along a longitudinal axis; a cord passage formed into the tubular body; a retention cutoff formed into the tubular body and configured to receive a detonator cord; and a holding element extending into the retention cutoff and being integrally made with a wall of the tubular body, wherein the holding element is configured to hold the detonator cord into the retention cutoff. The cord passage is configured to receive the detonator cord from a bore of the tubular body and to direct the detonator cord outside the bore of the tubular body.

Abstract: The present invention relates to an active system configured to apply an active force to a portion of a firearm designed to contact a body of the firearm's operator, to reduce the perceived recoil of the firearm. The active system includes an actuation element capable of generating an active force, and systems for powering and selectively operating the actuation element.

Abstract: A small arms form factor munition may package a control section with a deployment section in a munition case. The control section can have a first drag mechanism and a second drag mechanism. Firing the munition case from a firearm propels the load from the munition case and barrel of the firearm towards a target. A drag mechanism is selected and activated by the control section in response to a detected distance to the target while the load is in flight. The drag mechanism alters a flight characteristic of the load.

Abstract: A firearm action has a receiver defining a bolt passage and having a latch engagement facility, a bolt assembly including a bolt body received in the passage and operable to reciprocate between a forward battery position and a rear open position, the bolt assembly including a bolt handle movable with respect to the body between a handle forward position and a handle rearward position, the bolt assembly including a bolt latch body having a latch element, the bolt latch body movable between a locked condition in which the latch element engages the latch engagement facility when the bolt assembly is in the forward position and the bolt handle is in the forward position to prevent reciprocation of the bolt, and an unlocked position in which the latch element is disengaged from the latch engagement facility to enable reciprocation of the bolt.

Abstract: A weapon system includes a recoiling mass and a cradle, the recoiling mass including a weapon barrel and a breech ring and translating relative to the cradle during firing, and a guide device being provided for guiding this recoil movement of the recoiling mass. This weapon system is characterized in that the guide device includes at least one bar that is secured to the cradle and extends to the rear of the weapon system, the bar cooperating with at least one rail carried by the breech ring. The breech ring is connected to the cradle by two pairs of hydraulic or pneumatic recoil brakes, each rail being arranged between two brakes of the same pair, the body of each brake being secured to the breech ring.

Abstract: A weapon system includes a recoiling mass and a cradle, the recoiling mass including a weapon barrel and a breech ring and translating relative to the cradle during firing, and a guide device being provided for guiding this recoil movement of the recoiling mass. This weapon system is characterized in that the guide device includes at least one member of an elastic link, the body of which is secured to the recoiling mass and includes a prismatic external profile cooperating with a complementary rail secured to the cradle.

Abstract: An adjustable firearm sight includes a body made of a flexible and resilient material. The body includes an elevation arm connected to the body and extending proximally therefrom to a sight portion, where the elevation arm and the body comprise a monolithic structure. A cam body below the elevation arm has a cam surface in contact with a bottom surface of the elevation arm, where the cam body is rotatable to change a vertical position of the sight portion. Also disclosed is a front sight assembly where a sight element is disposed in a longitudinal bore through a sight body. A proximal end of the longitudinal bore has a reduced size. At a distal end, a retention pin is disposed in a retention bore that extends transversely to and intersects the longitudinal bore such that the retention pin occupies the longitudinal bore to retain the sight element.

Abstract: A breechblock for a weapon system having a recoilable barrel and having a breechblock carrier and a rotatable breechblock head. The breechblock head is carried by the breechblock carrier. The breechblock carrier has a control cam that is divided into a number of, preferably at least four, cam sections. The actual weapon function and the unlocking of the breechblock or of the breechblock head are combined in this control cam. The breechblock head comprises a control pin, which engages in the control cam and can be guided therein. Attached to the breechblock carrier are two blocking slides, which keep the breechblock head in one of two different positions, in which positions the breechblock head can enter or leave the locking portion of the barrel, namely, a forward position in the course of the actual functioning of the weapon and a rear position during the advancement of the returning masses.

Abstract: A perforating gun system includes a detonator configured to detonate one or more shaped charge in response to receiving a signal, a detonator holder including a pair of opposed longitudinal ends, a first passage extending along a first axis and configured to receive a detonating cord, and a second passage extending parallel to, but laterally offset from, the first passage, wherein the second passage is configured to receive the detonator, and an interrupter removeably positionable within the detonator holder laterally between the first passage and the second passage to block ballistic communication between the detonator and the detonating cord when the detonating cord is received in the first passage and the detonator is received in the second passage.

Abstract: A locking action firearm has a frame, a barrel connected to the frame, a reciprocating action element operable to reciprocate with respect to the frame between a forward battery position and a rear recoil position, a trigger lever connected to the frame and movable between a forward released position and rear actuated position, and a block element movable between a rest position in which movement of the reciprocating action element from the battery position to the recoil position is enabled, and a blocking position in which the block element contacts the reciprocating action element to prevent movement of the reciprocating action element from the forward battery position to the recoil position in response to movement of the trigger lever to discharge the firearm. The block element may be operably connected to the trigger lever and move based on the trigger lever position.

Abstract: The present invention provides a primer insert for a polymer ammunition cartridge. The primer insert has a top surface opposite a bottom surface. The top surface has a primer recess defined therein, which is in fluid communication with the propellant chamber of the ammunition cartridge through a flash hole defined through the bottom surface. A groove is defined in the primer recess and surrounds the flash hole. A planar portion of the bottom surface surrounding the flash hole is connected to a vertical coupling element by a transition region. The transition region has a first and second concave portions positioned around a transition protrusion. An extraction flange is formed about the top surface.

Abstract: An operating system for a firearm includes a forward bolt includes a forward bolt cavity, a carrier disposed on a rear side of the forward bolt, the carrier including a carrier cavity, a short cam pin including (i) a forward section that is at least partially disposed within the forward bolt cavity and (ii) a rear section that is at least partially disposed within the carrier cavity, a plurality of bearings that interface with the forward bolt, a retracted configuration where the short cam pin is in a rear position relative to the forward bolt, and a deployed configuration where the short cam pin is in a forward position relative to the forward bolt.

Abstract: A gun control unit that can retrofit to any existing firearm or be integrated into a firearm to allow a user to fire a round or rounds through rotation instead of pressing or pulling a trigger, to maximize the use and effectiveness of ammunition. The gun control unit includes an electric rotary trigger and an actuator both operably coupled to each other. The rotation of the electric rotary trigger actuates the actuator which in turn triggers the firing mechanism of the firearm. The operation of the actuator is controlled by a microcontroller that contains a programmable sequenced interval.

Abstract: An arrow gun is provided having a controllable retention force on the arrow. By setting the retention force on the arrow, increased energy from motive compressed gas can be imparted to the arrow. The arrow gun also includes a damping coupling for reducing vibration of an unsupported length of the barrel.