I hate to bust your bubble, but there are .223/5.56 “handguns.”
Checkem out at http://www.slickguns.com/category/hand-guns?caliber=11.
HST, this move by Ophonybama is merely the first step in banning all manner of ammo.
Get what you think you’ll need right now!
Just bastardized rifles, I guess. But after I posted the note, I thought of a barrel for the Thompson Center Contender frame. Kind of slow rate for shooting cops, though —