Abstract

A receiver and a method for manufacturing it are disclosed. The receiver contains an assembly pivotally coupled with the lower receiver, a buttstock coupled with the assembly, wherein the assembly is configured to move from a locked position to a folded position and back to the locked position.

IPC Classes  ?

• F41C 23/04 - Folding or telescopic stocks or stock parts
• F41A 3/66 - Breech housings or frames; Receivers
• F41A 11/04 - Articulated or collapsible guns, i.e. with hinged or telescopic parts for transport or storage

Abstract

A expansion chamber assembly for a firearm is disclosed. The expansion chamber contains an outer tube containing a front end and a rear end, a front cap coupled with the outer tube at the front end, a rear cap coupled with the outer tube at the rear end, an inner tube retained within the outer tube by the front cap and the rear cap, wherein the inner cap contains one or more through apertures to allow expanding gasses to move from the inner tube into the outer tube, and one or more exit apertures to allow expensing gases to exit the expansion chamber assembly.

IPC Classes  ?

• F41A 21/30 - Silencers
• F41A 21/28 - Gas-expansion chambers; Barrels provided with gas-relieving ports

Abstract

An upper receiver is disclosed. The firearm contains a bolt carrier assembly positioned within the upper receiver, a recoil spring guide rod, wherein the bolt carrier assembly is configured to slide along the recoil spring guide rod between a locked position and an unlocked position, and a first recoil spring, wherein the recoil spring guide rod is positioned within the first recoil spring.

IPC Classes  ?

• F41A 3/72 - Operating handles or levers; Mounting thereof in breech-blocks or bolts
• F41C 23/16 - Forestocks; Handgrips; Hand guards
• F41A 3/66 - Breech housings or frames; Receivers
• F41G 11/00 - WEAPON SIGHTS; AIMING - Details of sighting or aiming apparatus; Accessories
• F41A 5/18 - Mechanisms or systems operated by propellant charge energy for automatically opening the lock gas-operated
• F41A 5/30 - Gas- or recoil-operation, e.g. selection of gas- or recoil-operated systems

Abstract

A expansion chamber assembly for a firearm is disclosed. The expansion chamber contains an outer tube containing a front end and a rear end, a front cap coupled with the outer tube at the front end, a rear cap coupled with the outer tube at the rear end, an inner tube retained within the outer tube by the front cap and the rear cap, wherein the inner cap contains one or more through apertures to allow expanding gasses to move from the inner tube into the outer tube, and one or more exit apertures to allow expensing gases to exit the expansion chamber assembly.

IPC Classes  ?

• F41A 21/30 - Silencers
• F41A 21/28 - Gas-expansion chambers; Barrels provided with gas-relieving ports

Abstract

A forward charging system is disclosed. The forward charging system contains a charging trolley containing one or more channels configured to accommodate one or more rails associated with a hand guard, wherein the charging trolley is movable along the one or more rails between a rest position and a charging position, and a rod coupled to a rear portion of the charging trolley, the rod is configured to move a bolt carrier assembly away from a locked position when the charging trolley is moved away from the rest position.

IPC Classes  ?

• F41A 3/72 - Operating handles or levers; Mounting thereof in breech-blocks or bolts
• F41C 23/16 - Forestocks; Handgrips; Hand guards
• F41A 3/66 - Breech housings or frames; Receivers
• F41G 11/00 - WEAPON SIGHTS; AIMING - Details of sighting or aiming apparatus; Accessories
• F41A 5/18 - Mechanisms or systems operated by propellant charge energy for automatically opening the lock gas-operated
• F41A 5/30 - Gas- or recoil-operation, e.g. selection of gas- or recoil-operated systems

Abstract

A firearm is disclosed. The firearm contains a lower receiver containing a first opening, wherein the first opening is configured to accommodate a firing mechanism, an upper receiver removably coupled with the lower receiver, a barrel removably coupled with the upper receiver, a bolt carrier assembly positioned within the upper receiver, wherein the bolt carrier assembly is movable between a locked position and an unlocked position, wherein the bolt carrier assembly contains a rear surface, wherein the rear surface of the bolt carrier assembly is positioned between the barrel and the first opening when the bolt carrier assembly is in the locked position.

IPC Classes  ?

• F41A 3/72 - Operating handles or levers; Mounting thereof in breech-blocks or bolts
• F41C 23/16 - Forestocks; Handgrips; Hand guards
• F41A 3/66 - Breech housings or frames; Receivers
• F41G 11/00 - WEAPON SIGHTS; AIMING - Details of sighting or aiming apparatus; Accessories
• F41A 5/18 - Mechanisms or systems operated by propellant charge energy for automatically opening the lock gas-operated
• F41A 5/30 - Gas- or recoil-operation, e.g. selection of gas- or recoil-operated systems

Abstract

A bolt hold open mechanism assembly is disclosed. The bolt hold open mechanism assembly contains a connector rod, a follower lever associated with the connector rod, a bolt stop associated with the connector rod, and a lifter lever comprising at least one protrusion configured to interact with a magazine follower.

IPC Classes  ?

• F41A 17/36 - Magazine safeties locking the gun in a safety condition when the magazine is empty or removed
• F41A 3/66 - Breech housings or frames; Receivers

Abstract

A trigger mechanism is disclosed. The trigger mechanism contains a trigger element containing a first aperture, a trigger coupled with the trigger element, a disconnector containing a second aperture, and a trigger element pin sleeve containing a third aperture, wherein the trigger element is pivotally coupled with the disconnector by the trigger element pin sleeve positioned in the first aperture and the second aperture.

IPC Classes  ?

• F41A 19/10 - Triggers; Trigger mountings
• F41A 19/14 - Hammers, i.e. pivotably-mounted striker elements; Hammer mountings

Abstract

A forward charging system is disclosed. The forward charging system contains a charging trolley containing one or more channels configured to accommodate one or more rails associated with a hand guard, wherein the charging trolley is movable along the one or more rails between a rest position and a charging position, and a rod coupled to a rear portion of the charging trolley, the rod is configured to move a bolt carrier assembly away from a locked position when the charging trolley is moved away from the rest position.

IPC Classes  ?

• F41A 3/72 - Operating handles or levers; Mounting thereof in breech-blocks or bolts
• F41C 23/16 - Forestocks; Handgrips; Hand guards
• F41A 3/66 - Breech housings or frames; Receivers
• F41G 11/00 - WEAPON SIGHTS; AIMING - Details of sighting or aiming apparatus; Accessories
• F41A 5/18 - Mechanisms or systems operated by propellant charge energy for automatically opening the lock gas-operated
• F41A 5/30 - Gas- or recoil-operation, e.g. selection of gas- or recoil-operated systems

Abstract

The present disclosure is directed to a firearm capable of holding more than one magazines. In a particular embodiment, the firearm can include an operational magazine well adapted to receive an operational magazine and a secondary magazine well adapted to receive a secondary magazine, wherein the secondary magazine well is nonoperational.

IPC Classes  ?

• F41A 9/68 - Plural magazines, e.g. tandem magazines
• F41A 17/38 - Magazine safeties locking the magazine in the gun
• F41C 23/22 - Stocks having space for the storage of objects
• F41A 9/38 - Loading arrangements, i.e. for bringing the ammunition into the firing position

Abstract

A forward charging system is disclosed. The forward charging system contains a charging trolley containing one or more channels configured to accommodate one or more rails associated with a hand guard, wherein the charging trolley is movable along the one or more rails between a rest position and a charging position, and a rod coupled to a rear portion of the charging trolley, the rod is configured to move a bolt carrier assembly away from a locked position when the charging trolley is moved away from the rest position.

IPC Classes  ?

• F41A 3/72 - Operating handles or levers; Mounting thereof in breech-blocks or bolts
• F41C 23/16 - Forestocks; Handgrips; Hand guards
• F41A 3/66 - Breech housings or frames; Receivers
• F41G 11/00 - WEAPON SIGHTS; AIMING - Details of sighting or aiming apparatus; Accessories
• F41A 5/18 - Mechanisms or systems operated by propellant charge energy for automatically opening the lock gas-operated
• F41A 5/30 - Gas- or recoil-operation, e.g. selection of gas- or recoil-operated systems

Abstract

A bolt hold open mechanism assembly is disclosed. The bolt hold open mechanism assembly contains a connector rod, a follower lever associated with the connector rod, a bolt stop associated with the connector rod, and a lifter lever comprising at least one protrusion configured to interact with a magazine follower.

IPC Classes  ?

• F41A 17/36 - Magazine safeties locking the gun in a safety condition when the magazine is empty or removed