“A few months ago, Mossberg sent me a basic FLEX 500 shotgun, then sent me all the pieces and parts you see here. No single shooter would ever need or particularly want all of these modular components, but Mossberg wanted to demonstrate the mind-blowing versatility of their new 500. Whether you want a riot gun, a goose gun or a slug gun, the FLEX has you covered.” Click HERE to finish Chris Dumm’s review over at The Truth About Guns