I've held one, very cool, would like to buy one, but not legal in mass. Barrel has to be 18+ inches to bolt, and must be over 30" long I believe... I have a 20 gauge mossberg with a 19" barrel, and a 12 gauge mossberg with an 18.5" barrel... they'll have to suffice for now.

I've heard that the grip on the shockwaves is much better than a standard pistol grip, and had debated buying a stock off eBay and making one for my Mossberg 500 ATP which was the precursor to the 590...



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