The gun that is being alluded to on the Police shooting incident is spelt as Mossberg 500. Mossberg 500 is a series of pump action shotguns manufactured by O.F. Mossberg and Sons.

The 500 series comprises widely varying models of hammerless repeaters, all of which share the same basic receiver and action, but differ in bore size, barrel length, choke options, magazine capacity, stock and forearm materials.

Maximum firing range‎: ‎165 ft (50 m) for shot, 980 … Designer‎: ‎Oscar Frederick Mossberg. Effective firing range‎: ‎130 ft (40 m) Designed‎: ‎196.