A firing mechanism for a firearm includes a frame; a barrel attached to the frame and including a conical taper at a rear end of the barrel; a chamber attached to the frame and including a central bore through a center of the chamber and a conically tapered counter bore at a front end closest to the barrel; and a spring in the central bore to force the chamber backward.

A firing mechanism for a firearm includes a frame; a barrel attached to the frame and including a conical taper at a rear end of the barrel; a chamber attached to the frame and including a central bore through a center of the chamber and a conically tapered counter bore at a front end closest to the barrel; and a spring in the central bore to force the chamber backward.

A method of firing a firearm includes rotating a trigger to force a latch pin lever to move; forcing a latch pin forward by the latch pin lever to force a cylinder forward toward a barrel; sealing or substantially sealing the barrel and the cylinder; and releasing a hammer to strike a cartridge while the barrel and the cylinder are sealed.

An improved revolver is disclosed. The revolver has a hollow handle and a cartridge cylinder. The revolver includes a magazine clip, releasably insertable into an interior region of the handle, and at least two cartridge sets contained within the clip. Each cartridge clip, ordinarily cylindrical in shape and unable to be inserted into the magazine clip, is easily compressed by a user into an elliptical shape, which is an improvement designed to enable quick loading, unloading, and reloading of cartridges into the magazine clip and thereafter into the cylinder of the revolver.

An improved revolver is disclosed. The revolver has a hollow handle and a cartridge cylinder. The revolver includes a magazine clip, releasably insertable into an interior region of the handle, and at least two cartridge sets contained within the clip. Each cartridge clip, ordinarily cylindrical in shape and unable to be inserted into the magazine clip, is easily compressed by a user into an elliptical shape, which is an improvement designed to enable quick loading, unloading, and reloading of cartridges into the magazine clip and thereafter into the cylinder of the revolver.

A firearm is provided comprising a frame which defines a forward aperture. A cylinder is mounted rotatably to the frame to rotate on a cylinder axis. The cylinder defines a plurality of passages each at a common radius from the axis, each passage includes a chamber and a rifled bore. At least one of the passages is being chambered for a different caliber than at least one other of the passages.

A firearm is provided comprising a frame which defines a forward aperture. A cylinder is mounted rotatably to the frame to rotate on a cylinder axis. The cylinder defines a plurality of passages each at a common radius from the axis, each passage includes a chamber and a rifled bore. At least one of the passages is being chambered for a different caliber than at least one other of the passages.

A firearm is provided comprising a frame which defines a forward aperture. A cylinder is mounted rotatably to the frame to rotate on a cylinder axis. The cylinder defines a plurality of passages each at a common radius from the axis, each passage includes a chamber and a rifled bore. At least one of the passages is being chambered for a different caliber than at least one other of the passages.

A firearm is provided comprising a frame which defines a forward aperture. A cylinder is mounted rotatably to the frame to rotate on a cylinder axis. The cylinder defines a plurality of passages each at a common radius from the axis, each passage includes a chamber and a rifled bore. At least one of the passages is being chambered for a different caliber than at least one other of the passages.

A self-defense device with a body, a gun barrel, a trigger assembly, at least one forward light, and a switch is disclosed. The body is held by a human hand. The gun barrel can be positioned in the body and include an entry port and an exit port. The trigger assembly includes a trigger and a firing pin. The firing pin is moveable to engage a round in the barrel. The light can be exposed on an outer surface of the body. The light is positioned such that light emitted by the light projects forward, along the axis of the barrel. The switch can selectively activate and deactivate the light. The switch and the trigger are positioned close to one another so as to be concurrently engageable by a single human hand.