IF YOU HAVE A VERSION 1, SEND IT IN FOR A FREE UPGRADE!!! Keep the hardware, send only the plate, and include your name, shipping address and phone number to  CHPWS 459 Edsel Dr Richmond Hill GA 31324

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 a Holosun 507k / 407k without having to modify the existing recoil posts on the slide.

The plate is .045″ thick.  It’s CNC machined from 6061 and Type III black hard anodized.