Shop BattleHawk Armory for the Mossberg 500 series shotguns When it comes to pump-action shotguns, Mossberg and the 500 Series set the standard. Its short cycling time lets you identify and point to a new target quickly and efficiently. And its overall simplicity means higher durability at a lower cost. Without question, the 500 is the most versatile shotgun platform available on the market - no wonder that over 12 million have been sold. Mossberg's 500 All Purpose Field shotgun is built to the same uncompromising mil-specs as the renowned Mossberg 590. It features a Quiet Carry dual-action bars, 3" chambers, and an ambidextrous safety. This model has a 24" barrel.