Description
This is Walther's factory optic plate (part number 5136197), the #6 plate in their lineup, made to mount a red dot to a Walther PDP 2.0 slide. It carries the Docter/Noblex footprint, which is the same pattern used by the Vortex Viper and Vortex Venom, so if you're running one of those popular micro dots this is the plate that bridges the gap between your sight and the factory optic cut. Built from steel with a matte black nitride finish, it's made to shrug off wear and keep your dot locked down where it belongs.
Why the 5136197 Plate Is the One for a Vortex Viper or Venom
The Docter/Noblex standard is one of the most common micro red dot footprints out there. Beyond the Vortex Viper and Venom, sights like the Burris FastFire, EOTech MRDS, and anything else cut to the Docter pattern will seat on this plate. If you've been eyeing a budget-friendly dot or already own one with that footprint, this plate gets it onto your PDP without guesswork.
Fitment Notes for Your Walther PDP 2.0
One thing worth being clear on: this plate is cut specifically for the PDP 2.0 (Gen 2) style optic cut and will not fit the original 1.0 slides. The 2.0 cut uses a different lug and screw layout, so matching the plate to your exact slide generation is the step that makes or breaks a clean install. If your PDP is a Full Size, Compact, Pro, F-Series, or Steel Frame with the 2.0 cut, this is your plate.
Steel Build That Holds Zero
Steel construction is the big selling point here. A lot of adapter plates are aluminum, which is lighter but softer, and on a hard-recoiling carry or duty pistol the extra rigidity of steel helps the optic stay put and return to zero shot after shot. The nitride finish adds corrosion resistance so it holds up to sweat, holster wear, and the elements. Torque it to your optic maker's spec with the included hardware and you're good to go.
Key Specifications
- Manufacturer: Walther Arms
- Manufacturer Part Number: 5136197
- Model: Optic Plate (Plate #6)
- UPC: 723364227981
- Fits: Walther PDP 2.0 (Gen 2) Optic Cut
- Optic Footprint: Docter / Noblex (Vortex Viper, Vortex Venom)
- Material: Steel
- Finish: Matte Black Nitride
- Type: Red Dot Mounting / Adapter Plate
What’s Included
- Walther PDP 2.0 optic mounting plate (#6)
- Installation hardware
Frequently Asked Questions
Will this Walther 5136197 plate fit my PDP 1.0 slide?
No. This plate is machined for the PDP 2.0 (Gen 2) optic cut only. The 1.0 and 2.0 slides use different cut geometry, so check which generation your pistol has before mounting. If your slide has the 2.0 style cut, this is the right plate.
What red dots work with this optic plate?
It carries the Docter/Noblex footprint, which covers the Vortex Viper and Vortex Venom along with other Docter-pattern dots like the Burris FastFire and EOTech MRDS. If your optic uses the Docter standard, it will seat on this plate.
Is this a genuine Walther factory plate?
Yes, part number 5136197 is Walther's own OEM optic plate, the #6 in their mounting plate lineup. It's made to match the factory tolerances of the PDP 2.0 slide for a precise, repeatable fit.
Why choose the steel plate over an aluminum one?
Steel is more rigid than aluminum, which helps the optic stay locked in and return to zero under recoil. The nitride finish also adds corrosion resistance for holster and outdoor use. It's a solid choice for a carry or duty setup where repeatability matters.





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