US Patent 10197353 Receiver with an ambidextrous bolt stop

Disclosed is a lower receiver that defines an aperture extending between a bolt stop well and an actuator well, the lower receiver including a bolts stop and a first actuator lever on one side of the lower receiver and a bolt stop actuator that includes a tooth that extends through the aperture, a second bolt release lever on the other side of the lower receiver and a rod connecting the tooth and the second bolt release lever, wherein the tooth engages the bolt stop so that actuation of the second bolt release lever moves the bolt stop and where the first and second release levers move in unison.