Talk:M12-L Kimogila Fighter Expansion Pack/@comment-78.146.24.50-20170822161907/@comment-31354887-20170822164533

It's the product number Fantasy Flight uses to identify their x-wing products. SWX being "star wars x-wing". For example the original core set is labeled as "SWX 01" because it's their first x-wing product. You can see the production number on their website next to all their products.