A delinking feeder of a minigun includes an access door mounted to a delinking feeder housing and movable between a closed position and an open position. The access door has an enclosed recess for receiving a tongue that is rotationally coupled to the access door and is movable between a retracted position and a deployed position. When the access door is in the open position, the tongue is in the deployed position and a tongue first contact surface can contact and secure a linked cartridge positioned in the delinking feeder. When the access door is in the closed position, the tongue is in the retracted position and a tongue second contact surface can contact and guide a cartridge positioned in the delinking feeder. The enclosed recess is covered so that when the access door is in the closed position, the tongue does not protrude through the access door.

A machine gun top cover assembly includes a top cover door attached to a main housing. The top cover assembly defines a rear transverse track section and a front transverse track section for guiding bolt assemblies of the gun. As the machine gun rotor assembly rotates, the rear track section prevents the bolt assemblies from moving into position for firing, and the front track section guides the bolt assemblies into position for firing. A selector switch on the top cover door selects between: (i) a safe position wherein, each of the bolt assemblies are sequentially directed into the rear track section; and (ii) a fire position wherein the bolt assemblies are directed into the front track section. The top cover assembly can include a solenoid for moving the selector switch between the safe position and the fire position in response to an electrical control signal.

A machine gun top cover assembly includes a top cover door attached to a main housing. The top cover assembly defines a rear transverse track section and a front transverse track section for guiding bolt assemblies of the gun. As the machine gun rotor assembly rotates, the rear track section prevents the bolt assemblies from moving into position for firing, and the front track section guides the bolt assemblies into position for firing. A selector switch on the top cover door selects between: (i) a safe position wherein, each of the bolt assemblies are sequentially directed into the rear track section; and (ii) a fire position wherein the bolt assemblies are directed into the front track section. The top cover assembly can include a solenoid for moving the selector switch between the safe position and the fire position in response to an electrical control signal.

A spade grip attachment assembly for securing a spade grip to a minigun clutch includes a first adapter member configured to be secured to the spade grip and a second adapter member configured to be secured to the clutch. The first and second adapter members are configured such that one is receivable in the other. Each adapter member defines a pair of coaxially aligned pin holes that align to form a passage in which a locking pin is receivable when one adapter member is received in the other. The locking pin is receivable in the passage to releasably secure the first adapter member to the second adapter member.

A spade grip attachment assembly for securing a spade grip to a minigun clutch includes a first adapter member configured to be secured to the spade grip and a second adapter member configured to be secured to the clutch. The first and second adapter members are configured such that one is receivable in the other. Each adapter member defines a pair of coaxially aligned pin holes that align to form a passage in which a locking pin is receivable when one adapter member is received in the other. The locking pin is receivable in the passage to releasably secure the first adapter member to the second adapter member.

Firearm bolt assemblies and firearms including the same are described. In embodiments the firearm bolt assemblies are configured to localize compressive forces applied during a transition from an initial position to a firing position to a first cam system on one side of the firearm bolt assembly, and to localize compressive forces applied during a transition from the firing position to the initial position to a second cam system another side of the firearm bolt assembly. Localizing the forces in that manner enables the use of a first cam system that is relatively robust compared to the second cam system.

Firearm bolt assemblies and firearms including the same are described. In embodiments the firearm bolt assemblies are configured to localize compressive forces applied during a transition from an initial position to a firing position to a first cam system on one side of the firearm bolt assembly, and to localize compressive forces applied during a transition from the firing position to the initial position to a second cam system another side of the firearm bolt assembly. Localizing the forces in that manner enables the use of a first cam system that is relatively robust compared to the second cam system.

An electrically driven rotary machine gun includes a drive motor, a feeder delinker, a clutch, and a gun control unit. The drive motor is configured to rotate a rotor of the gun when receiving power. The feeder delinker is configured to provide ammunition cartridges to the rotor while being rotated. The rotor fires the ammunition cartridges while receiving them from the feeder delinker and being rotated by the drive motor. The clutch is configured to selectively engage the rotor and the feeder delinker while actuated. The gun control unit is configured to receive input from a user and provide power to the drive motor as a function of the input received from the user while and to actuate the clutch while providing power to the drive motor. The gun control unit includes a battery to eliminate the necessity of an external power supply.

An electrically driven rotary machine gun includes a drive motor, a feeder delinker, a clutch, and a gun control unit. The drive motor is configured to rotate a rotor of the gun when receiving power. The feeder delinker is configured to provide ammunition cartridges to the rotor while being rotated. The rotor fires the ammunition cartridges while receiving them from the feeder delinker and being rotated by the drive motor. The clutch is configured to selectively engage the rotor and the feeder delinker while actuated. The gun control unit is configured to receive input from a user and provide power to the drive motor as a function of the input received from the user while and to actuate the clutch while providing power to the drive motor. The gun control unit includes a battery to eliminate the necessity of an external power supply.

An electrically driven machine gun can include a drive motor, a feeder delinker, a clutch, and a motor control unit. The drive motor is configured to rotate a rotor of the gun when receiving power. The feeder delinker is configured to provide ammunition cartridges to the rotor while being rotated. The rotor fires the ammunition cartridges while receiving them from the feeder delinker and being rotated by the drive motor. The clutch is configured to selectively engage the rotor and the feeder delinker while actuated. The motor control unit is configured to receive input from a user and provide power to the drive motor as a function of the input received from the user and to actuate the clutch while providing power to the drive motor. The motor control unit includes a battery to eliminate the necessity of an external power supply.