The MOS slide comes along with a canopy plate when no optic is mounted and four diverse plate options to comply with the specs of several of the most trustworthy optic brands in marketplace like C-Far more, Docter, Perception, Meopta, Leupold and Trijicon. This product is made by Glock on https://jasperxvpjd.newbigblog.com/22755102/an-unbiased-view-of-glock-43x-mos-for-sale