The designation “Blue Sky, Arlington, VA” discovered on M1 Carbines signifies a particular importer mark. These markings point out that the firearm was imported into the US by an organization named Blue Sky positioned in Arlington, Virginia. The presence of this mark on an M1 Carbine denotes that it was initially a U.S. navy weapon that, after its service, was probably offered to a overseas nation and later re-imported again into the U.S. civilian market.
The re-importation of those firearms supplies collectors and fans entry to a bigger pool of surplus navy rifles. Nevertheless, the presence of the importer mark, notably the “Blue Sky” marking, has traditionally been related to considerations relating to the standard of the firearm’s situation. Some imported firearms had been recognized to exhibit put on and tear, probably requiring upkeep or repairs to make sure correct performance and security.