"Government is not the solution, it is the problem."
"We are never defeated unless we give up on GOD."
"Freedom is never more than one generation away from extinction. We didn't pass it to our children in the bloodstream. It must be protected, and handed on for them to do the same."
Life is 10 percent what happens to you and 90 percent how you respond.
Considering that it'd most likely require registration as an AOW, you'd be honestly better off with a Masterkey setup for an 870... you'd have to SBS it, but if you did it along the lines of the Remington Defense variant you could still convert it from underslung SBS to shoulder fired and get real utility (and aftermarket support therein).