| [GA] Of all the fighting shotguns out there, the 590A1 has always been one of my favorites. I was issued one in my days as a Marine for a short period, and since then, I’ve been a fan. Mossberg’s famed 590A1 pump-action shotgun. The 590A1 came from a list of requirements made for the United States military. The 590A1 would form the basis of the fighting shotgun for the United States military. One of the latest models blends all the military’s requirements with a dose of old-school cool to form the Mossberg 590A1 Retrograde. |