There also required to be far more accommodations made for altering the shoulder stock to better fit the shooter working with it. Using the 930 JM Pro-Series competition shotgun as a starting point, Mossberg teamed up with Mr. Miculek and his family to just take this semi-auto series to another https://mossbergjmpro94028738.ampedpages.com/about-mossberg-590-special-purpose-vs-590a1-56443513