Trijicon RMR® Sealing Plate & Mounting Kit AC32064 (includes RM63)
This kit includes the sealing plate needed for use on pistols and other mounts as well as the proper screws needed to mount an RMR® on the Glock® MOS slide.
The RMR sealing plate should be used if ANY of the following are true:
1. Mounting surface is interrupted, or
2. Mounting surface has through features, or
3. Mount surface does not fully encompass sealing boundary