The magazine is for 9mm, so I think this is the original 9mm slide and barrel. The item "SIG SAUER COMPACT CALIBER X-CHANGE KIT P250.45 ACP CONVERSION BOX KIT READ" is in sale since Saturday, August 28, 2021. This item is in the category "Sporting Goods\Hunting\Gun Parts\Pistol". The seller is "monroereading" and is located in Erie, Michigan.
This item can be shipped to United States.