Description
If you've been trying to figure out the simplest way to run a micro red dot on your turkey gun or slug gun without stacking a rail and an adapter plate, this EGW mount is the kind of part that solves the whole puzzle in one piece. It's machined from 7075 aluminum with a matte black hardcoat finish, and the bottom is cut to a .670" radius so it sits down onto the curve of your receiver instead of perching up high. That lower height keeps your optic close to the bore, which makes for a more natural cheek weld and faster target acquisition in the field.
What the EGW .670" Radius Mount Fits
The footprint here is the Docter/Noblex pattern, which means it's set up for the Vortex Viper, Vortex Venom (open emitter), Burris FastFire series, and other optics that share that same footprint. On the gun side, the .670" radius and multiple hole spreads make it a genuine universal part. It's a common choice for select Remington, Mossberg, Benelli, Browning, Franchi, Savage, Stoeger, and Winchester shotguns and rifles. Because of the variety of receivers out there and normal manufacturing tolerances, a little minor fitting is sometimes part of the deal.
Hardware and Install on the Viper/Venom Mount
EGW doesn't skimp on the screws. The mount ships with button head screws for the Viper and Venom, flat head screws for the FastFire and Docter, plus 6-48 and 8-40 Torx base screws so you've got options for securing it to the receiver. The included screws use a 5/64" allen wrench, and the mount is designed to leave a slight gap at the top of the radius between the receiver and the mount when it's seated right, so don't be surprised if it doesn't bottom out completely against the metal. That's normal and intended.
Made in the USA, this is a straightforward, no-nonsense way to get a red dot onto a scattergun or rifle that wasn't drilled and tapped for a full rail setup.
Key Specifications
- Manufacturer: EGW (Evolution Gun Works)
- Manufacturer Part Number: 49325
- UPC: 841370113071
- Bottom Radius: .670"
- Optic Footprint: Docter/Noblex, Vortex Viper, Vortex Venom, Burris FastFire
- Material: 7075 Aluminum
- Finish: Matte Black Hardcoat
- Hole Spreads: .500"-.505", .600", .860", 1.4"
- Overall Length: 1.811"
- Overall Width: .99"
- Overall Height: .365"
- Elevation: 0 MOA
- Torque Spec: 15 in/lbs
- Required Tool: 5/64" allen wrench
- Made In: USA
What’s Included
- Universal .670" radius sight mount
- 2 button head cap screws (Vortex Viper/Venom)
- 2 flat head cap screws (Burris FastFire/Docter)
- 2 6-48 x .313" Torx head base screws
- 2 8-40 x .313" Torx head base screws
- 2 8-40 x .335" Torx head base screws
Frequently Asked Questions
What optics will fit the EGW .670" radius sight mount?
It uses the Docter/Noblex footprint, so it works with the Vortex Viper, Vortex Venom open emitter, and the Burris FastFire series, among other Docter pattern red dots. The kit includes both button head screws for the Vortex optics and flat head screws for the FastFire and Docter, so you're covered either way. Just match your optic's footprint before ordering.
Will this EGW mount fit my shotgun or rifle?
The .670" radius bottom and four hole spreads (.500"-.505", .600", .860", and 1.4") are what make it universal, and it's commonly used on select Remington, Mossberg, Benelli, Browning, Franchi, Savage, Stoeger, and Winchester guns. Because receiver dimensions vary from gun to gun, a little minor fitting is sometimes needed for a perfect seat. It's worth checking your specific model's receiver profile against the .670" radius first.
Why is there a gap between the mount and my receiver?
That's by design. The mount is built to leave a slight gap at the top of the radius between the receiver and the mount when it's installed correctly. It should make solid contact where it counts, so don't try to force it flat against the metal.
What tools do I need to install the EGW .670" radius mount?
The included screws call for a 5/64" allen wrench. EGW lists a torque spec of 15 in/lbs, so a torque driver is a smart idea to keep from over tightening into the receiver. A dab of thread locker on the base screws is good insurance against recoil backing them out.




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