Abstract: A lock including a housing having an aperture sized to receive a lock cylinder, and lock componentry positioned within the housing and being adjustable to alter a configuration of the lock, and wherein the lock cylinder is removable from the housing to expose the aperture to provide access to the lock componentry which may be adjusted to set the configuration of the lock. A method is also provided for adjusting a configuration of a lock, including removing a lock cylinder from an aperture in a lock housing to expose the aperture and provide access to lock componentry within the lock housing, adjusting the lock componentry in the lock housing via access provided by the aperture to permit alteration of a configuration of the lock, setting the configuration of the lock via the adjusting of the lock componentry, and reinserting the lock cylinder into the aperture in the lock housing.