US Patent 9658031 Auto on green laser sight

A combination includes a holster and a laser gun sight that is securable to a gun. The laser gun sight includes a housing including a laser aperture sized to accommodate a laser module, a laser module disposed within the laser aperture, a circuit board including circuitry configured to operate the laser module and a sensor disposed on the circuit board and configured to detect a position of the laser gun sight relative to the holster. The laser gun sight may be a green laser gun sight and may be configured to automatically turn off when holstered and automatically turn on when drawn.