I've gotten 12 grenade launchers, 5 auto rifles, 3 scout rifles, a shitty shotgun, and a crap load of armor, but not the only reason I joined the -blam!-ing faction.
Update: I guess all I had to do was bitch on the forums to get it :D
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I got one last night as my second reward. Also got the DO grenade launcher and it dropped as a Masterwork. I was pretty surprised.