Also am in a class with a VR (herc) bubba who said that there's now an established pipeline to transition former Helo drivers with no FW time to the Herc. So SELRES FW flying for former helo bubbas is now possible if you're willing to spend the time in Corpus.
That's been sort of an on again/off again thing in VR for a while. Some years they don't take helo guys, other years it's OK as long as you did a fixed wing tour along the way (i.e. station pilot or primary IP). Sometimes the business rules are different for SELRES and FTS flying backgrounds, sometimes not.
About five years ago or maybe longer now, there was a helo guy in one of the VR squadrons who wasn't doing so well and the command FNAEB'ed him. He found something in an instruction somewhere that said they should have sent him, being a helo guy with no airplane time since primary, to a multiengine short course (for example, modified advanced in Corpus). Long story short, his Congressman saw it his way. That sent some, uh, ripples through the VR community for a few years and there no more helo bubbas for a while (unless you'd done a f/w tour). There's more to it than that but those are the salient points.
There's a modified advanced syllabus in every pipeline. It's basically a template for transitioning pilots, occasionally used, and of course it can get tailored to individuals, case by case. Also, of course, it costs money...