As unc points out, we're winning. (Cue Sarah Brady crying) Many Democrats are jumping on the pro-2nd Amendment bandwagon. Some are doing it because they support our rights, but some are doing it because "all the cool kids are doing it!"
Don't trust them until they've proven themselves. If you need a definition of "turncoat" see Kirsten Gillibrand.
Still, the fact that they're forced to cater to us is a good thing, even if they try and stab us in the back later.