Mossberg barrels cannot be swapped out as easily as the Remington. On the Mossy, the barrel nut assembly is fixed to the end of the barrel and cannot be relocated. To install a longer barrel you will need to change the mag tube so that it lines up with the end of the barrel.
"The whole of the Bill (of Rights) is a declaration of the right of the people at large or considered as individuals.... It establishes some rights of the individual as unalienable and which consequently, no majority has a right to deprive them of." (Albert Gallatin of the New York Historical Society, October 7, 1789)
"A free people ought not only to be armed and disciplined, but they should have sufficient arms and ammunition to maintain a status of independence from any who might attempt to abuse them, which would include their own government." - George Washington