Holosun SCS MOS red dot mount Another clue is the year

Another clue is the year of production: the 2

Lens: Reflex x1 (no magnification)

77 Dimension (in) 2×1

The X2 version adds improved glass clarity

Optical data

Holosun SCS MOS red dot mount Another clue is the yearDirect fit for Glock MOS no adapter plate required. Essential info Compatibility: Direct fit for Glock MOS Reticle: 2 MOA dot & 32 MOA circle [green] Window size [height x width]: 14. 7 x 19. 5 mm [0. 58 x 0. 77"] Total dimensions [length x width x height]: 49. 0 x 26. 2 x 23. 1 mm [1. 93 x 1. 03 x 0. 91"] Long story short: Holosun SCS MOS is a red dot sight made to fit Glock MOS models without need of any mounting plate. It will fit the optics ready