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Questions & Answers
Will this mount work for a ruger precision 300 win mag? Expert Answer

Yes, the Vortex Precision Extended Cantilever Mount will work on a Ruger Precision Rifle in 300 Win Mag. However, the exact model you need will depend on the specific model scope you are planning on mounting to the rifle.

by Hunter, Gear Expert, May 25, 2022
Will this work with a vortex venom 5-25x56 on a flat rail. Manufacturer Answer

This is an ideal fitment for that optic atop an AR-pattern rifle!

by Vortex, Manufacturer, April 23, 2025
Customer Reviews
Helpful Positive Review
Scope Mount by Marlon Martinez, Verified Owner, October 8, 2023
Great scope Mount very well made very strong excellent quality.buy this one you won’t regret this purchase.special thanks to optics planets.
1/1 found this helpful
Helpful Positive Review
Never disappointed by Vortex by Dylan Shoemaker, Verified Owner, April 6, 2020
Solid mount, No wobble to speak of, stays zeroed and I trust it. I like their use of torx head screws. There is no flex in the mount what so ever. After securing it to the rifle and grabbing it and trying to move it - it does not move. Very consisten...
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3/3 found this helpful
Helpful Positive Review
very nice mount by Bill, Verified Owner, April 20, 2017
This mount securely places the scope on the rail. What I liked is when inspecting the mount the scope fit well and there were no places (especially the edges) that would score the scope when positioning for proper eye relief. This is going on a Ruge...
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7/8 found this helpful
Helpful Positive Review
Great product by Dan, March 8, 2020
I have several of these mounts. They are a excellent product. The buying process was easy and I got it the mount in just a couple of days. I will buy this product again in the future .......................
3/3 found this helpful
Helpful Positive Review
The ultimate precision AR-15 scope mount by Wisco Guy, Verified Owner, February 13, 2021
I purchased this Vortex Precision Scope Mount for mounting a high end 2.5x10 scope to my BCM precision AR-15. I required a mount that was super light and strong and this mount definitely delivers. Fit and finish exceed my expectations. No obnoxious b...
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1/1 found this helpful
Helpful Positive Review
Good product by JR, May 11, 2018
The product arrived in the time allotted and was as advertised. The product is very well made and mated perfectly to my Vortex scope. The product is sturdy and came with a Torx wrench for installation.
1/1 found this helpful
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Help support American manufacturing! Marked models of this product have gone through rigorous review and been certified by the manufacturer as Made in the USA.

Product Info for Vortex Precision Extended Cantilever Mount

Install the Vortex Precision Extended Cantilever Mount on your rifle to steadily mount your favorite optics for an accurate aiming solution. These One Piece Rifle Scope Mounts designed by Vortex Optics were built to provide the correct head placement and eye relief for your scope with a forward location. Furthermore, this Vortex Precision Cantilever Rifle Scope Mount will position the center of your scope tube at a height of 40mm from the base. When you use these mounts, they will withstand the recoil from your rifle while consistently holding zero. From hunts to range trips, this Vortex Precision Cantilever Rifle Scope Mount will serve your scope well and help you land those precision shots with ease.image

Specifications for Vortex Precision Extended Cantilever Mount:

Manufacturer: Vortex
Height: 40 mm
Fabric/Material: Aluminum
Color: Black
Length: 6.34 in
Ring Height: 40 mm
Condition: New
Country of Origin: USA
Quantity: 1

Features of Vortex Precision Extended Cantilever Mount:

  • Designed for mounting scopes with a forward location, providing correct eye relief and head placement
  • Positions the center of the Rifle Scope tube at a height of 1.574in (40mm) from the base

Package Contents:

  • Vortex Precision Extended Cantilever Mount

Vortex Precision Extended Cantilever Mount Orderable Models

List of Orderable Models

  • Vortex Precision Extended Cantilever 30mm mount with 20 MOA cant, Black, Medium, 1.57in, 8oz, CM-530-20 , MPN: CM-530-20 , UPC: 875874008052 , Code: VX-SCM-DF42-CM-530-20
  • Vortex Precision Extended Cantilever 30mm mount with 0 MOA cant, Black, Medium, 1.57in, 7.97oz, CM-530 , MPN: CM-530 , UPC: 875874008045 , Code: VX-SCM-DF42-CM-530
  • Vortex Precision Extended Cantilever 34mm mount with 0 MOA cant, Black, Medium, 1.57in, 8oz, CM-534 , MPN: CM-534 , UPC: 875874008076 , Code: VX-SCM-DF42-CM-534
  • Vortex Precision Extended Cantilever 34mm mount with 20 MOA cant, Black, Medium, 1.57in, 6.94oz, CM-534-20 , MPN: CM-534-20 , UPC: 875874008069 , Code: VX-SCM-DF42-CM-534-20

Vortex Precision Extended Cantilever Mount Unavailable & Discontinued Models

List of Unorderable Models

  • DEMO, Vortex Precision Extended Cantilever 35mm mount with 0 MOA cant, Black, Medium, CM-535 , MPN: CM-535-DEMO , Code: VX-SCM-DF42-CM-535-DEMO
  • Vortex Precision Extended Cantilever 35mm mount with 0 MOA cant, Black, Medium, CM-535 , MPN: CM-535 , UPC: 875874009035 , Code: VX-SCM-DF42-CM-535
  • DEMO, Vortex Precision Extended Cantilever 30mm mount with 20 MOA cant, Black, Medium, CM-530-20 , MPN: CM-530-20-DEMO , Code: VX-SCM-DF42-CM-530-20-DEMO
  • DEMO, Vortex Precision Extended Cantilever 34mm mount with 20 MOA cant, Black, Medium, CM-534-20 , MPN: CM-534-20-DEMO , Code: VX-SCM-DF42-CM-534-20-DEMO
  • DEMO, Vortex Precision Extended Cantilever 30mm mount with 0 MOA cant, Black, Medium, CM-530 , MPN: CM-530-DEMO , Code: VX-SCM-DF42-CM-530-DEMO
  • DEMO, Vortex Precision Extended Cantilever 34mm mount with 0 MOA cant, Black, Medium, CM-534 , MPN: CM-534-DEMO , Code: VX-SCM-DF42-CM-534-DEMO
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