Before diving into the serial numbers, it is essential to understand the gun itself. O.F. Mossberg & Sons has a reputation for producing high-quality, affordable firearms. In the late 1950s and throughout the 1960s, Mossberg sought to compete in the magnum shotgun market, which was dominated by heavy, expensive firearms.
Mossberg also produced the 800A for department stores (e.g., Western Auto, Sears) under different catalog numbers, but the receiver serial number remains the best identifier. Mossberg 800a Serial Numbers
: Because Mossberg does not maintain a public, comprehensive digital database for vintage rifle serials, the National Mossberg Collectors Association (NMCA) is the primary authoritative source for exact manufacture dates. Performance Review & Key Features Before diving into the serial numbers, it is