719results about "Cartridge extractors" patented technology

A rifle having a receiver with an integral hand guard and a barrel. The barrel is connected to the receiver. The hand guard extends over and surrounds the barrel. A removable hand guard is attached to the receiver by an attachment that stably holds the removable hand guard to the receiver. The attachment is arranged for allowing detachment and removal of the removable hand guard from the receiver without removal of fasteners.

A firearm including a barrel having a chamber and an integrally formed upper receiver having a passageway, an accessory rail extending the complete length of the upper receiver, and a guidance feature extending along the passageway. The firearm also includes an operating rod having an anti-bounce mechanism, a bolt that is rotated counter-clockwise to lock against the chamber, a bolt carrier having a safety extension disposed below the bolt that prevents a hammer from striking a firing pin until the bolt is locked against the chamber, a lower receiver, a recoil spring assembly, and a fire control group. The bolt includes a polymer spring that biases a sliding extractor against the base of a cartridge. The sliding extractor is disposed at an angle ranging from thirty degrees to fifteen degrees on the bolt face to provide a low ejection angle from the firearm.

An adjustable accessory mounting clamp for mounting an accessory to an accessory rail, including a primary locking arm; a secondary locking arm; a threaded adjustment rod that is anchored, at a first end, to the primary locking arm, extends through an aperture in the secondary locking arm, and is threadedly coupled to a cam lever pin of a cam lever, wherein the cam lever includes at least one caming surface, such that when the cam lever is in a closed position, the caming surface contacts an outer surface portion of the secondary locking arm to provide tension to the threaded adjustment rod; such that a distance between the primary locking claw and the secondary locking claw is adjusted to accommodate varying width accessory mounting rails.

The invention is a remote control module for controlling the movement of a vehicle, the module for mounting on a rifle. The module includes a housing suitable for use as a forward handgrip for the rifle. A mechanism is included to mount the housing on the rifle in the location of the forward handgrip. An electronic control circuit for controlling the movement of the vehicle is mounted within the housing. Vehicle control devices are mounted on one side or both of the housing coupled to the electronic control circuit such that the operator of the module can simultaneously operate the rifle and control the motion of the vehicle.

Embodiments of the invention include systems and methods and apparatus for providing a hand guard and accessory mounting device for a firearm. In one embodiment, a system for providing a hand guard and accessory mounting device for a firearm can be provided. The system can include at least one barrel nut adapted to mount to a portion of a barrel associated with a firearm. In addition, the system can include at least one bolt up plate adapted to mount between the at least one barrel nut and a portion of the firearm. Furthermore, the system can include at least one hand guard adapted to mount to a portion of the bolt up plate, wherein the at least one hand guard is substantially concentric with a portion of the barrel. Moreover, the system can include at least one mounting device adapted to mount to the at least one hand guard, wherein the mounting device is further adapted to receive at least one firearm accessory.

The present invention is related to weapons systems. In particular, the present invention is directed to accessory attachment systems for rifles and small arms weapons that enable attached accessory devices to draw power from a central power source and communicate with the user and / or other devices.

A firearm can have a backbone, a barrel, a swinging wedge, and a barrel latch, in accordance with one or more embodiments. The barrel latch can be in mechanical communication with the swinging wedge. The barrel latch can have a first position and a second position and the swinging wedge can be configured to maintain attachment of the barrel to the backbone when the barrel latch is in the first position and is configured to release the barrel from the backbone when the barrel latch is in the second position. Thus, the firearm can provide quick barrel changes. Other features enhance the reliability and utility of the firearm.

A clamping mechanism for attaching a handguard to a firearm includes a barrel nut having radially outwardly directed tines, a tubular body having a plurality of longitudinal grooves separated by lands forming an inner surface of the tubular body, and a pair of circumferentially extending grooves traversing the lands, formed forward from a rearward end of the tubular body. A clamp element is carried by the tubular body and includes a body with a beveled end and a heel extending substantially perpendicularly from an opposing end of the body. The clamp element is adjustably positioned within the tubular body with the heel extending radially outwardly and received in the second groove and the beveled end engages the barrel nut.

The present invention is a quick change and torque controlled barrel nut assembly for use on a variety of firearms. The invention is made up of a generally cylindrically shaped barrel nut configured to adaptably connect a barrel to a firearm, a gas tube ring that is configured to fit over the barrel nut and a locknut that holds the gas tube ring in place. This invention allows the gun barrel to be rapidly connected by connecting the barrel to the receiver portion of a firearm, placing the freely rotating stabilizing gas ring in a desired position and tightening the locknut to hold the stabilizing gas ring in place.

A modular firearm is disclosed. The firearm that can be configured to operate using ammunition of different calibers via interchangeability of only a few parts. The firearm includes a foldable butt stock assembly for quickly and easily converting the firearm from an extended operating configuration to a compact transport configuration, and vice-versa. Additionally, the firearm includes a modular hand guard assembly having multiple mounting platforms for accommodating a variety of different accessories.

Disclosed is an upper receiver assembly for use with an AR15-type lower receiver. The upper receiver assembly includes a monolithic upper receiver and forearm housing. A barrel has a breech end, a muzzle end, a bore axis, and a barrel trunnion at the breech end having a lug for direct connection to the lower receiver using the pivot pin. It includes a bolt carrier assembly, having a longitudinal slot and rail engagement with the upper receiver housing on which the bolt carrier assembly slidably reciprocates, and a long-stroke gas-piston actuation system. A recoil spring assembly is housed within the monolithic upper receiver and forearm housing and extends coaxially with the longitudinal axis of the gas-piston actuation assembly. The barrel trunnion and gas block are configured for engagement with the upper receiver and forearm housing with longitudinal keyway features.

An improved Rail Adaptor System / Rail Accessory System (RAS) which attaches to a firearm. The rail is top opening, modular, and free floats the barrel. Provided is a rigid, lightweight, strong platform for mounting firearm accessories. Heat transmission from the barrel assembly to the user is limited. The user is also protected from ventilated gases originating from the operating system. A quick detachable top rail section is provided so that that gas system may be easily accessed. This removable top section of the rail is what makes this device unique because the RAS may be installed without removing the barrel, gas system, front sight base, flash hider or the barrel nut. The herein described RAS is adaptable to a wide variety of firearms with the use of conversion parts. The top rail “returns to zero” on reinstallation allowing the remounting of various optics and electronic gun sites without the need to realign them.

The present invention overcomes the limitations of the prior art by providing a sighting device for a firearm having a handgrip with a front strap, a back strap, and a free end. The sighting device has a body including a sleeve defining a bore sized to closely encircle at least a portion of the handgrip. The sleeve has a front portion configured to wrap about at least a forward front strap portion of the firearm, and has a rear portion configured to wrap about at least a rear back strap portion of the firearm. A laser device is connected to the body. The body may be an integral element, and may have a switch on the front span. The body may have a removable lock device that engages an upper rear protrusion of the frame, and the device may attach to the firearm without any fasteners engaging the firearm.

The present invention is related to weapons systems. In particular, the present invention is directed to accessory attachment systems for rifles and small arms weapons that enable attached accessory devices to draw power from a central power source and communicate with the user and / or other devices.

A plurality of actuators allow a gun operator to control the on / off status of an illuminator attached to a weapon in the area forward of the trigger guard. The actuators are spaced to allow them to extend rearwardly on opposite sides of the trigger guard. “Up” turns the light emitter on and keeps it on or allows it to turn on as long as the actuator is actuated, regardless of which side of the trigger guard the actuator is actuated.

A laser sight is embedded in a mounting rail otherwise used for attaching accessories to small arms discharge devices such as pistols or rifles. The mounting rail has a transverse profile that extends along an axis of the mounting rail for engaging mating features of the accessories. The laser sight is located at least partly within the transverse profile of the mounting rail and has a sighting axis that extends substantially parallel to the axis of the mounting rail.

A handguard system for connecting an accessory to a firearm has a tubular body having a bore size to closely receive the body of the barrel nut. The tubular body has a tapered wedge portion that defines a gap therein. There may be a tapered clamp element adapted to fit over the wedge. The clamp element may be operable to squeeze the gap as the clamp element is pushed onto the wedge. The squeezing of the gap is operable to clamp the tubular body to the body of the barrel nut. The tubular body and the body of the barrel nut may each include a mating feature that prevents longitudinal movement of the tubular body while the mating features are engaged. The tubular body and the upper receiver may each include a mating feature that prevents rotational movement of the tubular body while the mating features are engaged.

The present invention is related to weapons systems. In particular, the present invention is directed to accessory attachment systems for rifles and small arms weapons that enable attached accessory devices to draw power from a central power source and communicate with the user and / or other devices. The present invention embodies firearm systems comprising at least one mounting rail comprising at least one power connection, at least one power source, at least one rail accessory comprising a rail grabber or mount, wherein the at least one rail accessory receives electrical power from the power source.

The invention discloses a bullet puller of a large-caliber machine gun bullet. The bullet puller comprises a base, a bullet pulling screw, snapping clacks, a protection cover, clamping heads and tightening screws; a thread through hole is arranged in the middle of the base, and two rods are welded at the tail of the bullet pulling screw; a left snapping clack and a right snapping clack are two symmetrical semicircle snapping clacks, and a semicircle positioning hole is milled in the middle of each snapping clack; a left clamping head and a right clamping head are cuboid blocks in same structures, semicircle grooves which are matched with the bullet are milled along the height direction of the left clamping head and the right clamping head, a chamfer is arranged at the contact position of the bullet, and the surface of the chamfer is subjected to surface engraving processing; a through hole and a thread hole are milled at positions of two sides in the width direction respectively; and a left tightening screw penetrates through a through hole of the left clamping head and then is screwed into the thread hole of the right clamping head, the right tightening screw penetrates through the through hole of the right clamping head and then is screwed into the thread hole of the left clamping head, the grooves of the left clamping head and the right clamping head oppositely form a closed frame, and the grooves are aligned to a cylindrical portion of the bullet. The bullet puller is simple in structure, safe, convenient and capable of separating a bullet head from a bullet shell of the large-caliber machine gun bullet.

An improved bolt and bolt carrier with integral gas key having an extension nozzle threadedly secured and pinned to the gas key for use with a direct gas operated firearm is provided. The extension nozzle is designed to receive a portion of the host firearms gas operating system. The firing pin retaining pin is oriented so as to expose its widest profile to the firing pins annular flange, increasing its service life. The bolt has a plurality of lugs extending from its forward end and an extractor recess. The extractor recess is constructed to accommodate an enlarged extractor claw while not undercutting the bolt lugs adjacent thereto. The extractor engages approximately 57% more of a seated ammunition cartridges rim as compared to some prior art AR15 / M16 type extractors used with automatic firearms chambered in 6.8 SPC. The result is an improved bolt and bolt carrier which provides for increased operational reliability.