For rifles made after 1968, serial numbers are typically found on the receiver. These numbers help narrow down the manufacture date within the model's production run, which lasted until roughly 1978 or 1979 . Estimated Production Dates by Serial Prefix
False. Total 800-series production (all models: A, B, C, M, T) is under 50,000. The 800A accounts for perhaps 20,000-25,000 units. A 5-digit serial number starting with "18xxx" is near the very end of production. Mossberg 800a Serial Numbers
A: No. The barrel is stamped with the caliber (.308 or .243). The serial number does not encode caliber. For rifles made after 1968, serial numbers are
This lack of a "year code" creates a unique challenge for researchers. To determine the age of a Mossberg 800a serial number, one usually has to rely on estimating where that number falls within the known production range or by examining other features of the gun that changed over time. Total 800-series production (all models: A, B, C,