This is the optics adapter plate for the newly released GLOCK 43X MOS and 48 MOS with RMSc Optic Cut.

This plate is required to mount The Trijicon RMRcc.

**The RMRcc sealing plate is necessary for any type of water resistance**

The two optimal back up iron sight heights are:

.425? Front and Rear for a Low Witness BUIS Solution

.450? Front and Rear for a Higher Low Witness Solution

.500? Front and Rear for Lower 1/3 Co-Witness