Sig P320 M17 Vortex Viper, Venom, FastFire, Doctor Optic Adapter Plate by EGW

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Sig P320 M17 Vortex Viper, Venom, FastFire, Doctor Optic Adapter Plate by EGW (49201)

Material: 7075 Aluminum
Coating: Matte Black Hardcoat
Overall Length: 1.775"
Overall Width: .99"
Mounting Hardware: (2) 6-32 Button Head Screws, (2) 6-32 Flat Head Screws, (2) 4-40 x 1/4" Socket Cap Head Screws
Red Dot Fitment: 
Vortex Viper/Venom, Burris FastFire, Crimson Trace CTS-1200, CTS-1300, Docter, ADE RD3-001*, ADE RD3-02*, ADE RD3-009*, UTG Reflex Micro Dot

The rear sight plate on your gun needs to be removed to install your red dot on this plate. The plate is mounted to the slide from underneath the slide using the provided 4-40 screws. The red dot is then installed on top of the adapter plate using the provided 6-32 screws.

This mount fits:
Sig M17
Sig M18
Sig P320 X-Five Legion (with Romeo1 PRO cut)
Sig P320 X-Carry Optics Ready (with Romeo1 PRO cut)

This mount does not fit:
Sig P320 RX
Sig P320 X-Five (with Romeo1 cut)
Sig M17 Military Surplus

Installation Instructions
- Remove the rear sight*
- Install the EGW Sight Mount in the dovetail
- Place the red dot sight on the EGW Sight Mount
(placing a small piece of paper between the red dot sight and the sight mount will make for easier removal and will keep Loctite off of the red dot sight.)
- Apply blue Loctite to the provided mounting screws
- Torque mounting screws to 15in/lbs

Modification of your firearm may nullify the manufacturer's warranty.
This product should be installed and checked by a qualified gunsmith.
No liability is expressed or implied for damage or injury which may result from improper installation or use of this product.

Click here to see a video from Vortex on how to install our red dot base on a slide.  

Warning: This product may be alloyed with trace amounts of lead and other elements which are known to the State of California to cause reproductive harm and cancer. To prevent exposure, do not alter the product by welding, grinding, etc. For more information, go to

Springer Precision's (Identify which slide you have)

2 Reviews

  • 5
    works and fit great

    Posted by Konstantin Malygaev on Oct 30th 2020

    works and fit great

  • 5
    Plate works exactly as advertised

    Posted by Eric on Mar 30th 2020

    What more can you say, it was easy to install and works exactly as advertised. Just don’t forget the Loctite to help adhere the screws into place.