Vortex Optics Cantilever 30mm Ring – Absolute Co-Witness
Upgrade your AR setup with the Vortex Optics Cantilever
30mm Ring (Absolute Co-Witness)—a purpose-built mount designed for perfect
sight alignment, improved ergonomics, and reliable performance.
This mount is ideal for shooters using red dot optics and
backup iron sights, offering a true co-witness setup where both sighting
systems align seamlessly.
Product Overview
Designed for 30mm optics, this cantilever mount
features a forward offset and a 37mm (1.46") centre height,
delivering true absolute co-witness on AR-style rifles.
Why Choose Absolute Co-Witness?
Absolute co-witness means your iron sights and optic align
perfectly:
- Iron
sights sit directly in the centre of your optic window
- Provides
a true backup sight picture
- Ideal
for shooters who want redundancy and consistency
This differs from lower 1/3 setups, where irons sit lower in
the optic view.
Key Features & Benefits
30mm Tube Compatibility
Designed for 30mm optics, including popular red dots
like the Vortex StrikeFire.
Absolute Co-Witness Height (1.46" / 37mm)
Provides perfect alignment between:
- Optic
reticle
- Iron
sights
This ensures a consistent point of aim whether using
optics or irons.
Cantilever Forward Offset Design
Moves the optic forward by approximately 1 inch,
allowing:
- Better
eye relief
- More
rail space for accessories (e.g. magnifiers, BUIS)
Picatinny / Weaver Rail Compatibility
Mounts securely to standard Picatinny or Weaver rails,
ensuring broad compatibility.
Lightweight Aluminium Construction
Made from durable aluminium, offering:
- Reduced
weight
- Strong,
stable mounting
- Long-term
reliability
Secure Mounting & Torque Specs
- Cap
screws: 15–18 in/lbs
- Base
screws: 35–45 in/lbs
Ensures proper installation and consistent zero retention.
Built for Tactical Performance
This mount is ideal for:
- AR-15
/ M4 platforms
- Red
dot + magnifier setups
- Airsoft
rifles with Picatinny rails
- Shooters
wanting true co-witness alignment
Its design supports fast target acquisition and
consistent shooting performance.
Technical Specifications
- Tube
Size: 30mm
- Mount
Type: Cantilever
- Co-Witness:
Absolute
- Height:
1.46" (37mm)
- Rail
Compatibility: Picatinny / Weaver
- Material:
Aluminium
- Weight:
Approx. 6.7 oz
Ideal For
- AR-15
tactical builds
- Red
dot optic users
- Shooters
wanting absolute co-witness
- Airsoft
rifles with rail systems
Frequently Asked Questions (FAQ)
1. What is absolute co-witness?
It means your iron sights align perfectly with your optic,
sitting in the centre of the sight picture.
2. How is this different from lower 1/3 co-witness?
Lower 1/3 places iron sights in the bottom third of the
optic window, while absolute centres them.
3. Will this fit my rifle?
It fits any rifle with a Picatinny or Weaver rail system.
4. What optics can I use with this mount?
Any 30mm tube optic, including red dots and
magnifiers.
5. Why use a cantilever mount?
It improves eye relief and optic positioning,
especially on AR platforms.
6. Does it hold zero reliably?
Yes, when installed correctly, it provides solid zero
retention and stability.
Perfect Alignment for Tactical Setups
The Vortex Cantilever 30mm Absolute Co-Witness Mount
is the ideal choice for shooters who want precise alignment, improved
ergonomics, and reliable performance—making it a must-have for modern
AR-style rifle setups.
[ITEMPRICE]