Vortex Defender-ST™ 3 MOA Micro Red Dot
The Vortex Defender-ST™ 3 MOA Micro Red Dot is your ultimate companion for handguns, shotguns, or offset on a carbine. Engineered to excel in rigorous environments, this versatile optic embodies toughness, accuracy, and adaptability, meeting the demands of your challenging world head-on.
With a 1x magnification and a 3 MOA Defender Dot reticle, the Defender-ST™ ensures precise targeting, whether you're running drills at the range or facing intense duty situations. Its robust design boasts a shock-absorbing polymer insert protecting its 7075 aluminum body, guaranteeing resilience against everyday abuse.
Equipped with Motion Activation and a 10-minute Auto-Shutoff feature, this red dot sight conserves battery life while offering instant readiness when needed. The Fast-Rack™ Texturing facilitates quick slide manipulation, ensuring seamless operation in any scenario.
Featuring a large, distortion-free sight picture thanks to its Large Hard Coated Aspherical Lens, the Defender-ST™ offers 10 daylight-bright brightness settings, including two night vision compatible settings for low-light conditions. Its waterproof, fogproof, and shockproof construction ensures reliable performance in any environment.
With an easy top-mount battery change system and a DeltaPoint® Pro footprint, this optic offers hassle-free maintenance and compatibility with a range of platforms. Finished in a low-glare matte black anodized coating, it blends seamlessly with your firearm while providing corrosion resistance.
With the Vortex Defender-ST™ 3 MOA Micro Red Dot, you'll experience unparalleled performance and versatility, ensuring rapid target acquisition and precision in any situation, day or night.
- Magnification 1x
- Reticle 3 MOA Defender Dot
- Adjustment Graduation 1 MOA
- Parallax Setting Parallax Free
- Max Windage Adjustment 145 MOA
- Max Elevation Adjustment 115 MOA
- Dot Color Red
- Dot Size 3 MOA
- Mounting Footprint DeltaPoint® Pro
- Eye Relief Unlimited
- Length 1.83"
- Weight 1.48 oz
- Footprint: DeltaPoint® Pro
- Large Hard Coated Aspherical Lens: Large Distortion Free Sight Picture.
- Motion Activation With 10 minute Auto-Shutoff: Automatically activates with motion while 10 minute auto-shutoff saves battery life.
- ShockShield™: Polymer insert absorbs shock to the 7075 aluminum body protecting it for everyday abuse.
- Fast-Rack™ Texturing: Aggressive texturing on face of optic for racking slide off any surface.
- Top Mount Battery: Easy battery change without having to rezero your optic.
- 10 Daylight Bright Brightness Settings: Daylight bright, illuminated center dot aids in faster centerpoint acquisition in bright daylight conditions.
- Parallax Free: All red dot and holographic sights will exhibit some small amount of parallax. Matching current industry practice, this small amount would be considered “parallax free” and will make a negligible difference in performance.
- Unlimited Eye Relief: Non-critical eye relief for rapid target acquisition.
- Night-Vision Compatibility: The lowest 2 settings are nightvision compatible.
- Waterproof: O-ring seals prevent moisture, dust, and debris from penetrating for reliable performance in all environments.
- Fogproof: Designed to withstand a wide range of temperatures.
- Shockproof: Rugged construction withstands recoil and impact.
- Low-Glare Matte Black Anodized: Corrosion and wear-resistant anodization provides low-glare matte surface and helps camouflage the shooter’s position.
- Single-Piece Chassis: Compact and lightweight.

- Vortex Defender-ST™ 3 MOA Micro Red Dot
- Glock MOS Adapter Plate
- Picatinny Mount
- Rubber Cover
- Lens Cloth
- CR2032 Battery
- Custom Tool
- Most Common Mounting Screw Sets
Do I need to register for the warranty?
No, you get the warranty regardless of registration or purchase date.
Where are these red dots made?
The Defender red dots are made in China.
What footprint is the red dot?
The Defender-ST is a Leupold DeltaPoint Pro footprint.
How much does each click move the dot when adjusting?
Each click moves the dot 1 MOA (1 inch at 100yds).
What do I do if the red goes fuzzy, starry or "bleeding"?
Reduce the power intensity of the red dot and it should make the dot clear.
- Vortex VIP Lifetime Warranty


