I have done the weapon master quest line that is done through the gunsmith. Gotten all the kills with the right weapons, and now all I have to do is talk to the gunsmith. The quest marker is above his head and it is for sure the next step in the quest line. When I talk to him his usual inventory is there, test weapons and consumables. But there was no usual prompt banner that shows up on the bottom part of the screen. The quest still says to go talk to the gunsmith and that it isn't completed. I tried talking to him multiple times, a couple yesterday and also today. I am currently rank 3 with the gunsmith, almost 4. I have gotten my ace of spades hand cannon already through another quest. I am playing on a ps3 and have the most current DLC available as of 12/29/15. And have the latest update of the game downloaded. I have turned off my PlayStation and turned it back on again, signed out of PSN and back in, ect. This is the only quest so far that I have encountered that has had this problem.