Patent attributes
An optical Boresight alignment device that leverages creation of an opto-mechanical reference to the rifle barrel so that the riflescope can be used to directly measure the axis of the rifle barrel and thereby offer the necessary feedback to precisely boresight the riflescope. An illumination multiplexer module (IMM) allows the riflescope to function as an illuminated precision autocollimator with which to optically measure the barrel angle. The present invention leverages the two most accurate rifle components: the barrel and the riflescope themselves to directly measure the axes of each device, the optical (riflescope) and the mechanical (barrel). This is an improvement over existing methods by successfully using the external surface of the rifle barrel as a kinematic mechanical reference.