When was the mossberg 500 AT manufactured?

The Mossberg 500 AT, a variant of the popular Mossberg 500 shotgun series, was manufactured primarily in the 1980s and 1990s. This model is known for its durability and versatility, making it a popular choice among hunters and sport shooters. Mossberg continues to produce various models of the 500 series, but the specific AT version is less commonly found today.