Shield RMSx [Glass] HK Mark 23 It mounts on top of

It mounts on top of an existing Trijicon RMR plate or mount

Adds 9 rounds of extra capacity

Adds 4 rounds of extra capacity

Steel red dot mount for the standard (non-cut) CZ Shadow 2 and CZ Shadow 2 Compact

Aiming is on a 6 MOA red dot

Shield RMSx [Glass] HK Mark 23 It mounts on top ofThe Shield RMSx is built to the Shield RMSc footprint, so it seats on any plate or slide cut machined to that pattern the footprint names the mounting standard, not the optic brand. It runs a 4 MOA red dot. It has night vision compatible settings. Specifications Mounting footprint Shield RMSc pattern Reticle 4 MOA red dot Window size 21. 0 x 28. 0 mm [0. 83 x 1. 10"] Dimensions 42. 0 x 34. 0 x 30. 0 mm [1. 65 x 1. 34 x 1. 18"] Built in features Night