This is a very interesting case and within days the window to file an appeal and thus continue the existing stay will expire.In short the National Firearms Act in 1934 required multiple types of firearms and accessories to carry a tax stamp to be lawfully possessed. The three at issue here are mufflers (called "suppressors"), short-barrel rifles (total barrel length of under 16", yet a rifle, meaning it has a stock) and "Any Other Weapons" (firearms that do not fit into the other defined categories.)This was challenged at the time and upheld as part of the taxing power of Congress. Since the tax was an excise (a tax on a privilege) it was found Constitutional, as was the potential penalty (which can.......(Click link to read more)