Forum:Anyone heard of this gun...

I have been farming the armory for the past few days and i have found a few different Terrible Defender shotguns. Most of them had similar stats but 1 of them was very unique. One of them actually shoots like grenade type things that arch and then explode and its really weird. They all have the red text that says I can do this all day... But 1 of of them has "holy crap it shoots rockets" written under the red text in normal white text. Wondering if anyone has ever seen this. I am only on my first playthrough and level 42

I personally have no use for it cuz i dont use shotguns so i would be willing to trade it if somebody has something im interested in.