Vortex Defender-ST™ 3 MOA Micro Red Dot
The Vortex Defender-ST 3 MOA Micro Red Dot Sight is a rugged, duty-ready reflex optic built for pistols, shotguns, and carbine offset setups where speed and durability matter most. Its crisp 3 MOA dot provides a strong balance of fast target acquisition and precise aiming, while the large aspherical lens delivers a clear, distortion-free sight picture with unlimited eye relief. Motion activation automatically powers the optic on when movement is detected, with a 10-minute auto shutoff to preserve battery life. Built from a tough 7075 aluminum body with ShockShield™ polymer reinforcement, it’s designed to handle hard recoil and everyday abuse. With multiple brightness settings, waterproof and fog-proof sealing, and a top-loading battery that avoids re-zeroing, it’s a reliable, no-nonsense red dot backed by Vortex’s lifetime warranty.
-Nathan (Technical Advisor)
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
1. What does the 3 MOA dot mean?
It means the dot covers roughly 3 inches at 100 yards, offering a balance of precision and speed for defensive and range use.
2. What firearms is it compatible with?
It is designed for handguns, shotguns, and offset carbine mounting applications.
3. What mounting footprint does it use?
It uses the DeltaPoint Pro footprint, which is compatible with many modern pistol slides.
4. Does it have motion activation?
Yes, it automatically turns on with movement and shuts off after inactivity to save battery life.
5. How durable is it?
It features a 7075 aluminum body with ShockShield™ polymer reinforcement for recoil and impact resistance.
6. Is the glass clear?
Yes, it uses a hard-coated aspherical lens for a distortion-free sight picture.
7. Is it good for low light use?
Yes, it includes multiple brightness settings, including night-vision compatible modes.
8. How long does the battery last?
Battery life is long-term, with motion activation helping extend runtime significantly.
9. Is it waterproof and fog-proof?
Yes, it is sealed for reliable performance in harsh weather conditions.
10. Does it come with a warranty?
Yes, it is covered by Vortex’s unconditional lifetime VIP warranty.
- Vortex VIP Lifetime Warranty
