Home / Footprints / Docter / Noblex
The Docter / Noblex footprint
Page last updated . Data compiled September 2026 by Andrew Terrebonne.
Vortex Venom & Viper, Burris FastFire, Meopta, EOTech MRDS
- Layout
- 2 screws, 4 posts
- Screws
- M3 / #4-40 by model
- Driver
- T10
- Torque
- 15 in-lb
- Pattern
- wide, shallow pocket
These are the usual figures for this footprint; no maker document is linked for them here yet. What would settle it.
What to knowThe oldest common pattern, and fading, but still the reason GLOCK MOS plate 01 exists.
What uses the Docter / Noblex footprint?
9 optics use it, 5 pistols are cut for it and 29 plates provide it. Screws M3 / #4-40 by model; torque 15 in-lb. The lists below name each optic, pistol and plate.
Optics using this footprint
- Vortex Venom
- Springfield Armory Hex Dragonfly
- Vortex Viper
- Burris FastFire 3
- Burris FastFire 4
- Noblex Sight III / Docter Sight C
- Meopta MeoSight IV
- Sightmark Mini Shot A-Spec
- Leapers UTG OP3 Micro
Pistols that mount it with no adapter
- Shadow Systems MR920
- Shadow Systems DR920 / DR920P
- Shadow Systems XR920 / XR920P
- Shadow Systems Foundation Series
- Shadow Systems MR920 Elite / Combat
Plates that provide this footprint
| Slide interface | Plate | Source |
|---|---|---|
| GLOCK MOS — standard & full size | MOS Plate 01 Type A / Type B | GLOCK factory ↗ Optics Spot |
| GLOCK MOS — 10 mm / .45 frames | MOS Plate 05 | GLOCK factory ↗ |
| S&W M&P C.O.R.E. / Optics Ready | C.O.R.E. Plate 3 (Docter family) | S&W factory ↗ |
| Springfield Echelon VIS | VIS → Docter adapter | Springfield factory ↗ |
| Walther PDP 1.0 optic cut | PDP 1.0 → Docter / Venom | Walther factory ↗ |
| Walther PDP 2.0 optic cut | PDP 2.0 → Docter / Venom | C&H Precision ↗ |
| Walther Q4 SF / Q5 Match SF optic cut | Q-series → Docter / Venom Universal type A | EGW ↗ Optics Spot |
| CZ P-10 OR plate system | P-10 OR → Docter | CZ factory ↗ |
| CZ Shadow 2 OR plate system | Shadow 2 OR → Docter | CZ factory ↗ |
| Rear-sight dovetail mount | Dovetail mount → RMR / C-More / Docter (type C) | EGW ↗ |
| Canik TP9 SFx optic interface plates | Canik interface 01 → Docter | Canik factory ↗ |
| Canik SFx Rival optic interface plates | Canik interface R01 → Docter | Canik factory ↗ |
| FN MRD plate system | FN MRD → Docter | FN factory ↗ |
| Beretta 92X / M9A4 plate system | 92X / M9A4 → Docter / Venom Universal type A | Beretta factory ↗ Optics Spot |
| Beretta APX A1 / APX RDO plate system | Universal type F | Optics Spot |
| HK VP9 / SFP9 OR plate system | HK Optics Plate #1 (50254261) HK Optics Plate #5 (50254265) VP9 OR → Vortex Viper / Venom / Burris FastFire (EGW) | HK factory ↗ HK factory ↗ EGW ↗ |
| Taurus T.O.R.O. plate system | T.O.R.O. Plate #1 T.O.R.O. Mounting Plate Kit #1–#4 T.O.R.O. → Docter / Venom / Viper / FastFire | Taurus factory Taurus factory ↗ Taurus factory ↗ |
| Arex Delta Gen.2 plate system | Delta Gen.2 optic plate — type 1 | Aftermarket |
| Arex Zero 1 Tactical ROR plate system | Zero 1 Tactical ROR plate — Docter / Insight / Meopta / Vortex | Aftermarket |
| Rost Martin metal optic plate system | Docter / Noblex metal optic plate | Rost Martin |
| PSA Dagger RMR cut | Dagger RMR → Docter / Venom / Viper / FastFire | EGW ↗ |
| Plate system — fitment not published | Ask the maker → Docter family | Unconfirmed ↗ |
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?
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