I have never seen anybody use this POS successfully. At least, not in a role that X-wings couldn't have done just as well and cheaper.
Best I can figure is a sort of late game pseudo-rogue for antisquadron. That seems pretty trivial for 2 points.
The extended threat range is nice too, but doesn't actually help against speed 5 unless the opponent screws it up: distance 5+1 is (slightly) longer than distance 4+2. So, in terms of the alpha strike, it kinda sits in a nebulous place between speed 4 and speed 5, but only for the purposes of shooting, not of pinning.
Sure it's nice for pot shots at Intel when it comes up, but realistically all it does is force the escorts to spread slightly further apart to keep the Intel safe. Which is not nothing , but seems kinda... not worth it.
So all of this makes me think it must work best as a component of a multifaceted squadron build. I just have no idea what that might look like. Maybe a 2 or 3 E's and a couple of YT-2400's? Shara? B-wings? Ketsu??
I feel like if you're bringing E-wings, you're going for a kill-the-squadrons squadron defense, but they don't actually kill squadrons all that fast. Or, if they engage to kill faster, they're not getting much use out of that Snipe they're paying for.
It just seems like they're best against unactivated non-rogue squadrons, which... I mean, I guess if that's something you're running into a lot, then, more power to you? But that's not something I see a lot of myself.