JWB, go back to the Kel-tec site and click on "News". Then click on the SU-16 link. It show a picture and tells about it. It also has a link that says"More Pictures". This shows the technical schematics. They claim it uses the "proven M-16 lock-up" but the schematics look like the AK-47 to me. Probably felt association with the AK wouldn't go over as well.:2guns: