AFTE Store - Full-Auto Conversion of an HK 93

The Oregon State Police Forensics Laboratory received a Heckler & Koch model HK93 rifle that was reportedly converted to fire fully automatically. After test firing, the rifle was in fact firing fully automatically and could not be fired semiautomatically. It was determined that by slightly altering the sear the rifle can be converted to a machine gun. The major points of the conversion are discussed below.