There is no restriction on barrel length but the overall length of the firearm must be 26.5 in or greater
No it does not.
18"
If you mean the legal length of the barrel? it is 18 inches and for rifles it is 16 inches.
no
In Ohio, the legal minimum barrel length for a rifle is 16 inches. Any rifle with a barrel length shorter than that would be considered a short-barreled rifle, which is regulated under the National Firearms Act (NFA).
1.345m
16"
18" for shotguns
16 inches
kommiefornia
In US law, there is no legal minimum for a handgun barrel- I have a Sedgely Baby Hammerless .22 Revolver with a 1 inch barrel. There IS a legal minimum (16") for rifles and shotguns (18")