I don't see anything wrong with it, and at first glance could be mistaken for an AR-15, so the intimidation factor is there. And Mossberg does make good shotguns. The .22LR semi-auto rifle I am most familiar with is the Ruger 10/22, which has been around a long time.
"Military men are dumb, stupid animals to be used as pawns for foreign policy."
--Henry A. Kissinger, jewish politician and advisor