"In 1987, Max Atchisson sold the rights of the AA-12 to Jerry Baber of Military Police Systems, Inc., Piney Flats, Tennessee.[3] MPS in turn developed the succe

"In 1987, Max Atchisson sold the rights of the AA-12 to Jerry Baber of Military Police Systems, Inc., Piney Flats, Tennessee.[3] MPS in turn developed the successor simply known as Auto Assault-12, which was redesigned over a period of 18 years with 188 changes and improvements to the original blueprint, modifications included changing the AA-12 from blowback- to gas-operated with a locked breech." [0] Looks like there was a bit of exaggeration going on, but not anything terribly out of line. [0] http://en.wikipedia.org/wiki/Atchisson_Assault_Shotgun http://en.wikipedia.org/wiki/Atchisson_Assault_Shotgun