Mossberg's new Model 590M has a detachable box magazine.
This SHOT Show 2018 announcement has many shotgun addicts talking.
Check out the all-new Mossberg 590M Shotgun in the video below:
YouTuber Big Daddy Hoffman 1911 got a chance to test out Mossberg's newest shotgun.
Not only does this shotgun feature detachable box magazines, but there's a 20-round magazine available, too.
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