Kinda kicking it around getting one of these. Yes I know I would have to register it as a DD with the ATF. Has anyone got the 18shot of 22cal adapter for one and smoke rounds. I figured it would be a great addition to the zombie slayer for when the **** hits the fan. IF you have one whats your feedback on one. I don't want it to rip the rails off my upper. I just ordered a 15" quad rail. If I have to go back to the carbine length I could be fine with that if it mounted with the barrel sling spot.

KAC makes a 12 gauge launcher that you dont have to get a special license for...think about it

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Grover Oathkeeper

can you send me a link? I just tried finding it and all I found was the master key and m203 40mm launcher

I think it was the master key I was thinking about, I had to put my dog of 7 years down today so my brain functions are less than desirable. but here it is, or what i was thinking about
Knights Armament Master Key | Top Notch Tactical

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Grover Oathkeeper

Sorry about the dog I know what your going through. On the masterkey though, that would be considered a short barrel shotgun per ATF