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The Holosun SCS (320) footprint
Page last updated . Data compiled September 2026 by Andrew Terrebonne.
SCS 320 — SIG P320 optic cut
- Layout
- Mounts directly to the P320 Romeo1Pro-pattern cut
- 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 knowThe SCS MOS idea, for the P320 family. Not interchangeable with the MOS version.
What uses the Holosun SCS (320) footprint?
1 optic uses it, 7 pistols are cut for it and 2 plates provide it. The lists below name each optic, pistol and plate.
Optics using this footprint
Pistols that mount it with no adapter
- SIG Sauer P320 X-Carry
- SIG Sauer P320 XCompact
- SIG Sauer P320 XFive Legion
- SIG Sauer P320 XTen
- SIG Sauer P320 AXG Legion / AXG Pro
- SIG Sauer P320 Spectre Comp
- SIG Sauer P320-M17 / M18
Plates that provide this footprint
| Slide interface | Plate | Source |
|---|---|---|
| CZ P-10 OR plate system | P-10 OR → DeltaPoint Pro | CZ factory ↗ |
| CZ Shadow 2 OR plate system | Shadow 2 OR → DeltaPoint Pro | CZ factory ↗ |
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.