seems thats a small bug that came with the mechromancer
according to some guy on CE
Some fellow goons just figured out that one of the Mech's skills (the one that reduces magazines) will reduce a gun with 1 mag to 0. So it breaks things like the rapid infinity by making it have a magazine of 0 and never be able to fire.
solution: again according to CE
Just go to customization store, Reset Skill Points, do not use "smaller lighter faster" skill.
Well that solution is crap lol since if you dont use that skill you cant fill in the other skills beneath it
[Edited by jackbig, 10/11/2012 12:20:17 AM]