Vortex Viper/Venom (fits Burris FastFire and Docter) Sight Mount For Sig P365 Fixed Rear Sight

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The EGW dovetail adapter plate for mounting a Docter footprint optic on a Sig P365, displayed with its included mounting hardware.
Vortex Viper/Venom (fits Burris FastFire and Docter) Sight Mount For Sig P365 Fixed Rear Sight
An angled top view of a black EGW dovetail adapter plate for mounting a Docter footprint red dot sight on a Sig P365, showing the top surface with four corner posts.
A side profile view of the EGW red dot adapter plate, showing the specific dovetail design that fits into a Sig P365's rear sight cut.
The underside of the EGW adapter plate, displaying the dovetail mount used to secure it to a Sig P365 slide.
The EGW dovetail adapter plate for mounting a Docter footprint optic on a Sig P365, displayed with its included mounting hardware.
Vortex Viper/Venom (fits Burris FastFire and Docter) Sight Mount For Sig P365 Fixed Rear Sight
An angled top view of a black EGW dovetail adapter plate for mounting a Docter footprint red dot sight on a Sig P365, showing the top surface with four corner posts.
A side profile view of the EGW red dot adapter plate, showing the specific dovetail design that fits into a Sig P365's rear sight cut.
The underside of the EGW adapter plate, displaying the dovetail mount used to secure it to a Sig P365 slide.

Vortex Viper/Venom (fits Burris FastFire and Docter) Sight Mount For Sig P365 Fixed Rear Sight

$49.99
  • SKU: 49266
  • A high-resolution close-up showcasing the Viridian RFX45 Closed Emitter Green Dot Sight. The sight features a robust, rugged design with a sleek matte black finish. The closed emitter technology ensures durability and reliability in all weather conditions, protecting the internal electronics from dirt, moisture, and debris. The green dot is visible in the image, demonstrating the bright, clear reticle ideal for quick target acquisition. The sight’s ACRO compatibility and the included Docter/FastFire/Venom adapter make it an adaptable, versatile choice for a variety of firearms. Precision-engineered, this sight offers excellent clarity and performance for both tactical and competitive shooting.
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Description

Sig P365 Red Dot Mount (Dovetail) – Fits Vortex Venom (Open Emitter), Viper, Burris FastFire, Docter Footprint

Quick Check: Confirm Your Slide Type.
✅ Fits: Sig Sauer P365 (Standard, Non-Optics-Ready models only).
Mounting Hardware Included: (2) 6-32 x 3/8 Flat Head Cap Screws, (1) 6-32 x 3/16 Cup Point Set Screw, (2) 6-32 x 5/16 Button Head Screws
Compatibility: Fits Docter / FastFire / Viper / Venom footprint optics.
Important: Does NOT fit optics-ready P365, P365X, or P365XL models.

Installation & Overview

Upgrade your Sig Sauer P365 with a reliable red dot mounting solution without the need for slide milling. This EGW dovetail optic mount replaces your factory rear sight, allowing you to install a red dot on a non-optics-ready P365 quickly and securely.

Designed for optics using the Docter footprint, this mount supports popular red dots like the Vortex Venom (open emitter), Vortex Viper, and Burris FastFire series. It provides a solid mounting interface ideal for concealed carry, range use, and everyday reliability.

The dovetail mounting system creates a strong, stable platform without permanent modification to your slide, making it one of the most practical upgrades for standard P365 owners.

Learn more about optic footprints: RMR vs Docter vs RMSc Footprints Guide

Technical Specifications
  • Mount Type: Dovetail Red Dot Mount
  • Machined From: 7075 Aluminum
  • Finish: Matte Black Hardcoat
  • Fits Footprint: Docter / FastFire / Viper / Venom
  • Mounting Method: Rear Sight Dovetail Replacement
  • Mounting Hardware Included: (2) 6-32 x 3/8 Flat Head Cap Screws, (1) 6-32 x 3/16 Cup Point Set Screw, (2) 6-32 x 5/16 Button Head Screws
  • Made in: USA

Compatible Firearm

  • Sig Sauer P365 (Standard Non-Optics-Ready Models)

This Mount Does Not Fit

  • Sig Sauer P365 Optics Ready Models
  • Sig Sauer P365X
  • Sig Sauer P365XL

Compatible Red Dots

  • Burris FastFire 1
  • Burris FastFire 2
  • Burris FastFire 3
  • Burris FastFire 4
  • Docter
  • Vortex Viper
  • Vortex Venom (Open Emitter)
  • And any optic using the same footprint

Why Choose This EGW Mount?

  • ✔ No slide milling required
  • ✔ Replaces rear sight using dovetail system
  • ✔ Machined from solid 7075 aluminum
  • ✔ Expands optic compatibility
  • ✔ Ideal for concealed carry setups
  • ✔ Made in the USA

Installation Notes

  • Remove factory rear sight using a sight pusher
  • Install EGW dovetail mount
  • Secure mount in place
  • Install optic
  • Apply blue Loctite
  • Verify alignment and function

Fitment Warning

This mount is designed for non-optics-ready Sig Sauer P365 slides only. It replaces the factory rear sight and will not fit slides that are already cut for a red dot.

Warning: This product may contain trace amounts of lead. For more information, visit www.P65Warnings.ca.gov.

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