This mount has a bottom radius of .468". There should be a slight gap at the top of the radius between the receiver and the mount when mounted. The two spreads on this mount measure .500"-.505" and .8625". This should fit barrel/receiver diameters from .936"-1.350".

Coating: Matte Black Hardcoat
Overall Length: 1.811"
Overall Width: .99"
Overall Height: .365"
Radius: .468"
Mounting Hardware: (2) 6-32 Button Head Screws, (2) 6-32 Flat Head Screws, (2) 6-48 Hex Head Screws

Red Dot Fitment:

• Viridian RFX25
• Vortex Viper
• Vortex Venom
• Burris FastFire
• Burris FastFire 2
• Burris FastFire 3
• Burris FastFire 4
• Docter
• ADE RD3-001
• ADE RD3-002
• ADE RD3-009
• UTG Reflex Micro Dot
• Crimson Trace CTS-1200
• Crimson Trace CTS-1300
• Sightmark Mini Shot
• Cuda RX-795

This is a mount for the Vortex Viper/Venom. It is made to fit in the dovetail. Mounting hardware included.

This mount will work for the Vortex Viper/Venom, Burris FastFire, and Docter Sight. 

The screws that are included with this mount require a 5/64'' allen wrench for installation.

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