1970 – 1971
Pasadena, California
- 1966 designed the Auto Mag pistol
 – designed by Harry Sanford & Max Gera
 – short-recoil operated pistol
 – rotary bolt with locking lugs
 – similar to the M16/AR-15 rifle
- 1970 Harry Sanford opened Auto Mag Corporation in Pasadena, California
- 1971 .44 Auto Mag caliber
 – formed by trimming the .308 Winchester or .30-06 case down to 1.30 inches
- 1972 .357 AMP (.44 AMP, but is necked down)
- August 8, 1971 first pistol was shipped
 – less than 3,000 pistols made
- May 3, 1972 declared bankruptcy
- 1973 – 1983 company opened & closed multiple times
- 1996 Harry Sanford died
- August 2015 Walter Sanford the company & trademark to AutoMag Ltd. Corp
 – in South Carolina