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I have no idea about your ghost connector thing, but I encourage you to stick around and enjoy the forums. There are links to the FAQ and classifieds section rules in my signature.
I never tried the Ranger.
I had a Ghost Rocket and it was the best trigger I ever had in a Glock.
Smooth, clean break, short reset.
The Ghost Rocket is NOT a drop in part though.
I had to do some filing on it to get the reset right.
I am a big fan of Ghost and their trigger connectors.
I have compared my Rocket to Glock and Lone Wolf connectors on other guns and Ghost is smoother right out of the package.
I would not hesitate to use anything of theirs.