Was this a free item

So I was recently browsing the market and looking at thing I can't afford when I spotted something very peculiar, it's the 270A MLRS but it's the Epic version so I'm confused whether it's a bug or it's an item that on few people have,I'll attach a picture below

So I was recently browsing the market and looking at thing I can't afford when I spotted something very peculiar, it's the 270A MLRS but it's the Epic version so I'm confused whether it's a bug or it's an item that on few people have,I'll attach a picture below