The Vortex Defender‑ST 6 MOA is a rugged red dot specifically designed for intensive use on pistols and other firearms.
Thanks to its large viewing window and bright 6 MOA dot, this sight provides fast target acquisition and a clear sight picture, making it ideal for both sport shooting and professional use.

The Vortex Defender‑ST offers an impressive average battery life of up to 25,000 hours.
Thanks to motion activation, the sight automatically turns on when movement is detected and shuts off when not in use, helping extend battery life.
This ensures the Defender is always ready without needing to be manually switched on.

The CR2032 battery can be replaced from the top of the optic, so the sight does not need to be removed or re‑zeroed.

6 MOA Dot

The 6 MOA red dot is highly visible and allows shooters to quickly acquire targets and place fast follow‑up shots.
This version of the Vortex Defender‑ST is by far the best choice for fast and dynamic shooting. With multiple brightness settings, the dot remains clearly visible in a wide range of lighting conditions.

Durability & Warranty

The Defender‑ST is known for its exceptional durability, and Vortex stands behind it. The housing is made from 7075‑T6 aluminum and features ShockShield™ technology, which absorbs shocks and recoil.
This ensures the red dot continues to perform reliably, even under heavy use.

And this isn’t just marketing talk from Vortex, it’s a promise!
Thanks to the VIP Warranty, Vortex offers a lifetime warranty on this red dot.

Mounting the Defender

The DeltaPoint Pro footprint ensures the Defender‑ST is compatible with many modern mounting systems and optics‑ready pistols.
The Defender also includes a Glock MOS adapter plate, and with the included Picatinny mount it can easily be installed on other platforms as well.