Heckler and Koch Gmbh

Hecker & Koch Gmbh, a German Corporation

Stefan Doll

Ernst Wössner

Wilhelm Fischbach

Martin Stussak

Marc Roth

Daniel Kohler

Uwe Fleiner

Norbert Fluhr

Gerd Spinner

Berthold Weichert

Hans-Peter Bantle

Frank Henninger

Gerhard Gielke

Stefan Thimm

Johannes Alexander Kopf

Daniel Braun

Rolf Knöpfle

Peter Ertl

Tobias Maier

Josef Jakob

Rudi Schatz

Johann Rager

Norbet Fluhr

Frank Kohler

Francesco Beninato

Ernst Woessner

Ernst WÖSSNER

Example methods, systems, and apparatus are described herein. An example gas block is described for an automatic firearm, which has a gas cylinder that can be connected in a fluid-tight manner to a hole in the gun barrel via a gas channel, characterized by a control element that can be switched between at least two positions and is designed to open the gas channel in the first position, in which the fluid-tight connection is obtained, and to close the gas channel in the second position, in which the fluid-tight connection is interrupted. The disclosure also relates to a control element, a gun barrel equipped with the gas block, and an automatic firearm equipped with the gas block.

Gas block for automatic firearms

Example apparatus and method are disclosed for a unitary firearm housing for an automatic firearm, comprising a barrel receptacle configured as an internal component of the unitary firearm housing.

Automatic firearm housing apparatus and related methods

Example apparatus are disclosed for an adapter to attach at least one device to a self-loading firearm, the adapter comprising a barrel-side section and a receiver-side section adjacent the barrel-side section, wherein the barrel-side section and the receiver-side section extend in a longitudinal direction of the firearm, wherein one of the barrel-side section and the receiver-side section is securable to a retention device on a firearm barrel or a firearm receiver, and wherein the other of the barrel-side section and the receiver-side section can be moveably supported on the firearm receiver or the firearm barrel by a guide that allows for longitudinal movement of the receiver-side section or the barrel-side section with respect to the firearm.

Mounting adapter for self-loading firearms

Example apparatus are disclosed for a gas feed for an automatic firearm, the gas feed comprising a mounting portion to fasten the gas feed on a firearm barrel, the gas feed comprising a gas cylinder connectable to a barrel bore inside the firearm barrel via a gas channel, a gas piston disposed inside the gas cylinder to drive a gas operated reloading mechanism, wherein the gas piston is displaceable in a longitudinal direction with respect to the firearm, and a closure element that can be detachably coupled to an end of the gas cylinder adjacent a stock of the firearm, wherein the closure element comprises a passage through which a gas piston can be disposed.

Automatic firearm gas feed apparatus

Disassembly devices for use with firearms and firearms including such disassembly devices are disclosed. An example firearm includes a frame; a breech slide to be coupled to the frame; a barrel; a trigger bar disposed within the frame; and an arm to be pivotable about an axis between a locked position and a unlocked position, the arm being movable to the unlocked position from the locked position based on a magazine engaging an end of the arm, the arm being movable to the locked position from the unlocked position based on the magazine being spaced from the end of the arm or the magazine not being fully received within the firearm, in the locked position, the arm to interact with the trigger bar to secure the trigger bar, in the unlocked position, the lug to be spaced from the trigger bar to enable the trigger bar to move.

Disassembly devices for use with firearms and firearms including such disassembly devices

A trigger assembly for a fire arm including a breechblock moving between a base position and a charging position. The trigger assembly includes a catch lever moving between a resting position and a catch position. The trigger assembly includes a trigger element moving between a non-actuation and an actuation position to transfer the catch lever from the catch position into the resting position, and a release element moving between a hold position and a release position for releasing the catch lever. The release element is transferred from the hold position into the release position by the breechblock moving toward the charging position. The release element pivots about a release-element axis movable relative to the trigger element so the release element in the non-actuation position moves out of a movement space of the breechblock when the trigger is secured via a breechblock moving towards the base position.

Trigger assembly for a fire arm

Rotary lug breeches and weapons including such rotary lug breeches are disclosed. An example rotary lug breech includes a bolt carrier. Wherein when releasing the bolt, a cam section of a receiver converts a releasing motion into a screwing motion to release a cartridge. During the screwing motion, a first stud surface interacts with the cam section. During a locking process, the first stud surface engages the cam section to perform a pre-control process that rotates a control pin in a slot from a releasing position in which an advancement of the bolt carrier exerts substantially no torque on the bolt, to a control position in which a first slot surface of the slot interacts with the control pin. When the bolt carrier moves forward, the bolt carrier exerts a torque on the bolt to enable the bolt and the bolt carrier move relative to one another.

Rotary lug breeches and weapons including such rotary lug breeches

Weapons, weapon housing and methods of producing such weapons and weapon housings are disclosed. An example weapon housing for use with a firearm includes at least two housing shells. Each of the housing shells comprises at least one positioning recess. The example weapon housing also includes at least one connection block comprising connecting pins. On an assembly plane of the connection block, the housing shells are to be positioned and aligned on the connecting pins via the respective positioning recess to enable forces that are to act in or against a direction of fire to be absorbed by surfaces of at least one of the positioning recesses or one or more of the connecting pins.

Weapons, weapons housings and methods of producing such weapons and weapons housings

Breech guides for use with breech assemblies and firearms including such breech guides are disclosed. An example breech guide for use with a breech assembly of a firearm includes a support element positioned within the breech assembly and a control element on the support element, the control element is adapted to control a cartridge-feeder mechanism of the firearm. The example breech guide includes a guide element on the support element. The guide element is adapted to guide the breech assembly relative to guide rails of the firearm. The support element extends along an axis of symmetry substantially perpendicular to a bore axis. The control element and the guide element being substantially coaxially positioned relative to the axis of symmetry.

Breech guides for use with breech assemblies and firearms including such breech guides

Catches and trigger apparatus for use with weapons are described. An example trigger apparatus for use with a firearm having a breech block includes a latch moveable between a blocking position that blocks the breech block and a non-blocking position that does not block the breech block. The latch includes a sear arm and a securing element movably coupled to the sear arm. The securing element to enable, with a securing device in a securing position. The latch to be moved to the non-blocking position by a retracting breach. The securing device movable by an advancing breech block to position the securing element adjacent a surface of the securing device in the securing position to secure the latch in the blocking position.

Catches and trigger apparatus for use with weapons

Catches and trigger apparatus for use with weapons are described. An example trigger apparatus for use with a firearm having a breech includes a latch moveable between a blocking position that blocks the breech and a non-blocking position that does not block the breech. The latch includes a sear arm, a spring assembly, and a securing element moveable between a first position and a second position. The spring assembly is to bias the securing element. In the first position, the securing element is positioned at a distance from the sear arm and a surface of a securing device in a securing position to enable the latch to be moved to the non-blocking position and the breech to retract relative to the weapon. In the second position, the securing element is positioned adjacent the sear arm via the breech and the surface of the securing device in the securing position to secure the latch in the blocking position.

Safety apparatus for firearms are described. An example safety apparatus may be used with a firearm having a latch movable between a first position to retain a breech of the firearm and a second position to enable movement of the breech. The safety apparatus includes a biased safety mechanism coupled to the latch and movable between the first position and the second position. Additionally, the safety apparatus includes a safety device moveable between a locking position and a non-locking position. The safety device interacts with the biased safety mechanism when the safety device is in the locking position and the safety mechanism is in the first position to enable the biased safety mechanism to prevent a trigger force from moving the latch to the second position but to enable the latch to be deflected by a returning breech.

Safety apparatus for firearms

Described herein are examples of firearms and firearm assemblies. In one example, a firearm assembly for use in a firearm including a breech block, includes safety equipment; a slide stop, wherein the slide stop is adjustable between an arresting position that locks the breech block and a position that does not lock the breech block; and a safety element adjustable relative to the slide stop between a neutral position and secured position, wherein in the secured position if the breech block exerts an operating force on the safety element and the safety element engages the safety equipment, the safety element fixes the slide stop in its arresting position.

Slide, stop, trigger device and handle for a weapon

Gas bleed assemblies for use with firearms are described. An example gas bleed assembly for use with a firearm having a barrel includes a gas cylinder that defines at least one gas outlet to be fluidly coupled to a bore of a barrel. The gas cylinder is substantially fixed relative to the barrel. Additionally the example gas bleed assembly includes a holding fixture that is substantially fixed relative to a housing having a front edge. The holding fixture interacts with the at least one gas outlet. A temperature induced variation of geometry of the barrel changes a position of the gas cylinder relative to the holding fixture and wherein a pressure acting within the gas cylinder is associated with the position of the at least one gas outlet relative to the holding fixture.

Growing community of inventors

Oberndorf, Germany

Stefan Doll