Patent attributes
Embodiments of a magazine coupler include a coupler body, a first magazine attachment interface coupled to the coupler body and configured to removably mount a lower end portion of the first firearm magazine to the coupler body, a second magazine attachment interface coupled to the coupler body and configured to removably mount a lower end portion of the second firearm magazine to the coupler body, and a finger aperture extending formed through the coupler body. The finger aperture is sized and shaped to enable a user or firearm operator to spin the magazine coupler about a finger of the user when inserted through the finger aperture to vary which of the first firearm magazine and the second firearm magazine resides in an upright orientation for insertion into a well of a firearm when the magazine coupler resides in a deployed state.