Here you go: At each Gunsmith Rank, he will award you with a random weapon in a package At each Gunsmith Rank (Might be capped at 3) you will get another Arms Day purchase At Rank 2, the Gunsmith will give you a class-specific legendary weapon quest. The Stillpiercer for Hunters, the Susanoo for Warlocks, and the Immobius for Titans. At Rank 3, the Gunsmith will give you a class-specific Exotic weapon quest. The Ace of Spades for Hunters, the TLALOC for Warlocks, and the Fabian Strategy for Titans. It is also speculated that at Rank 5, the Gunsmith will give you the quest to get the First Curse which is an Exotic handcannon.