Define "common-sense gun regulations", because every time someone tries explaining what that means it is almost always the exact opposite of common sense. Is restricting suppressors common sense? Because some of the nations with the most restrictive gun laws advocate for the usage of suppressors. Or bans on the scary AR-15, which is less powerful than most 60 year rifles which nobody cares about, especially when the vast majority of gun crime is committed with handguns. How about bans on gun accessories like types of stocks, slings, or bayonet lugs? How about sawed off shotguns which are less powerful than many "pistols" that shoot rifle rounds? Or shotgun/rifle combinations which were once a popular hunting combination for small game.
Either we should be allowed whatever semi-auto gun, or we should be allowed zero. Everything in between is a complete waste of time and effort and just leads to fucking over poor people for judicial profit because they can't afford $10,000+ lawyer that gets everybody with any money off of such charges.