u/vondruke00

I'm looking to purchase a Glock 48 mos but want to ensure that the cut is Mos-K (or mosk?) so that I can direct mount a holosun 407k x2 without needing a plate. I'm looking (and shopping) online and can't find a unique UPC or other info to help me distinguish what I'm looking at. Anyone deal with this before or know what to look for?