ZEV Techonologies has
50 of G17 and 50 of G19 Enhanced SOCOM Slide kits. The kit comes with an RMR cut Enhanced SOCOM slide, slide internals, RMR adapter plate, ZEV Combat sights. This is a good choice if you want a slide to mount RMRs but don't want to machine your slide.
Price is $535
From: Soldier Systems