Home / Footprints / Holosun SCS (MOS)
The Holosun SCS (MOS) footprint
Page last updated . Data compiled September 2026 by Andrew Terrebonne.
SCS MOS — mounts straight to a GLOCK MOS pocket
- Layout
- Optic body indexes on the MOS pocket itself — no plate
- Screws
- per SCS kit
- Driver
- T10
- Torque
- per Holosun manual
- Pattern
- host-specific
These are the usual figures for this footprint; no maker document is linked for them here yet. What would settle it.
What to knowMounts to MOS slides with no plate, removing the most common point of loosening. The MOS version fits nothing else.
What uses the Holosun SCS (MOS) footprint?
1 optic uses it and 16 pistols are cut for it. The lists below name each optic, pistol and plate.
Optics using this footprint
Pistols that mount it with no adapter
- GLOCK 19 Gen5 MOS
- GLOCK 17 Gen5 MOS
- GLOCK 45 Gen5 MOS
- GLOCK 47 Gen5 MOS
- GLOCK 49 Gen5 MOS
- GLOCK 19X MOS
- GLOCK 34 Gen5 MOS
- GLOCK 26 Gen5 MOS
- GLOCK 17 / 19 / 34 Gen4 MOS
- GLOCK 22 / 23 Gen5 MOS (.40)
- GLOCK 35 Gen5 MOS (.40)
- GLOCK 20 Gen5 MOS (10 mm)
- GLOCK 21 Gen5 MOS (.45)
- GLOCK 40 MOS (10 mm)
- GLOCK 41 MOS (.45)
- GLOCK 44 MOS (.22 LR)
Check a pairing
The fit checker tells you whether a specific optic and pistol go together, and what it costs to mount.
Something on this page wrong?
Tell us what it should be, and include a source: nothing changes without one.