RMR Adapter - P365X / P365XL / P365X-Macro

RMR Adapter - P365X / P365XL / P365X-Macro

SAS Tactical Customs

Regular price $85.00 Sale

Adapter plate that allows mounting of any RMR footprint red dot to the factory Sig P365X, P365XL, and P365 X-Macro cutout. No modifications required. 100% reversible.

Does NOT fit the RMRcc.

You are NOT purchasing a slide or optic.



CNC machined from Precision Cast Aluminum Plate manufactured in Germany by Gleich Aluminium. Gleich is the European market leader in the production of high quality precision Cast Aluminum Plate.

These adapter plates allow direct mounting of a RMR footprint red dot optic to the P365X, P365XL, and P365 X-Macro slide with no modification to the slide. The adapter uses the same mounting screw hole locations as the factory cover plate.

ONLY fits factory P365 optic-ready model slides.

Will not fit P365 models without factory optic cutout.

*Adapters may take up to 1-2 week to produce and ship. 

*Cancellation/refund policy

*Although machined to tight tolerances, minor fitting may be required in rare instances. Feel free to contact us prior to attempting any modification to your slide or adapter plate. 



  • CNC Machined Aluminum Adapter Plate finished in black. If another color is desired, then note that on the order. You are NOT purchasing a slide or optic.
  • Adapter Plate Mounting Screws
  • RMR Mounting Screws 
  • Finished in Black Cerakote

* Holosun optics should be installed using their supplied screws if available.



  1. Remove slide cover plate screws
  2. Remove cover plate
  3. Align adapter plate in slide cutout
  4. Install M3 Adapter Plate Mounting Screws (7-10 in/lb)
  5. Align RMR optic on top of adapter plate
  6. Install 6-32 RMR Mounting Screws (9-12 in/lb)



Cancellation/Refund Policy