In Stock Vortex Defender-ST™ 6 MOA Micro Red Dot
The Vortex Defender-ST 6 MOA Micro Red Dot Sight is a rugged, duty-ready optic built for fast target acquisition, reliability, and everyday hard use on pistols, shotguns, and offset carbine setups. Its large 6 MOA red dot is optimized for speed at close range, making it ideal for defensive shooting and rapid engagement scenarios. The oversized aspherical lens provides a clear, distortion-free sight picture with unlimited eye relief and minimal parallax error. Motion activation automatically powers the optic on when movement is detected, while the 10-minute auto shutoff helps preserve battery life. Built from durable 7075 aluminum with ShockShield™ reinforcement, it’s designed to handle recoil, drops, and harsh conditions. With multiple brightness settings, waterproof and fog-proof construction, and a top-loading battery that avoids re-zeroing, it’s a simple, tough, and dependable optic backed by Vortex’s lifetime warranty.
-Nathan (Technical Advisor)
The Vortex Defender-ST™ 6 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 6 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™ 6 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 6 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 6 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™ 6 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 6 MOA dot mean?
It means the dot covers about 6 inches at 100 yards, making it very fast to pick up for close-range shooting.
2. What firearms is it designed for?
It’s designed for handguns, shotguns, and offset mounting on carbines.
3. What mounting footprint does it use?
It uses the DeltaPoint Pro footprint for broad compatibility with modern pistol slides.
4. Does it have motion activation?
Yes, it automatically turns on when it senses motion and shuts off after about 10 minutes of inactivity.
5. How durable is it?
It uses a 7075 aluminum body with ShockShield™ reinforcement to absorb impact and recoil.
6. Is the glass clear?
Yes, the hard-coated aspherical lens provides a distortion-free, wide field of view.
7. Is it good for low light use?
Yes, it includes multiple brightness settings, including night-vision compatible levels.
8. How long does the battery last?
It offers long runtime (around 25,000 hours) with motion activation helping extend life significantly.
9. Is it waterproof and fog-proof?
Yes, it is fully sealed for reliable performance in harsh weather conditions.
10. Does it come with a warranty?
Yes, it is backed by Vortex’s unconditional lifetime VIP warranty.
- Vortex VIP Lifetime Warranty
Delivery costs & estimated arrival
Find your country below for the delivery charge and how long your order should take to reach you. All orders ship with FedEx. Estimates are in working days and exclude weekends and public holidays.
| Country | Up to 2kg | 2kg – 30kg | Estimated delivery | ||
|---|---|---|---|---|---|
| Order under €350 | Order €350 & over | Order under €350 | Order €350 & over | ||
| Austria | €11.95 | €26.95 | €26.95 | €26.95 | 5-7 working days |
| Belgium | €8.95 | €14.95 | €14.95 | €14.95 | 4-6 working days |
| Bulgaria | €11.95 | €31.95 | €31.95 | €31.95 | 7-9 working days |
| Croatia | €11.95 | €31.95 | €31.95 | €31.95 | 6-8 working days |
| Cyprus | €14.95 | €89.95 | €89.95 | €89.95 | Contact us |
| Czechia | €10.95 | €21.95 | €21.95 | €21.95 | 5-7 working days |
| Denmark | €10.95 | €21.95 | €21.95 | €21.95 | 4-6 working days |
| Estonia | €11.95 | €31.95 | €31.95 | €31.95 | 6-8 working days |
| Finland | €11.95 | €26.95 | €26.95 | €26.95 | 5-7 working days |
| France | €10.95 | €21.95 | €21.95 | €21.95 | 4-6 working days |
| Germany | €8.95 | €14.95 | €14.95 | €14.95 | 5-7 working days |
| Greece | €11.95 | €31.95 | €31.95 | €31.95 | 8-10 working days |
| Hungary | €11.95 | €31.95 | €31.95 | €31.95 | 5-7 working days |
| Ireland | €6.95 | €6.95 | €8.95 | €8.95 | 2-4 working days |
| Italy | €10.95 | €21.95 | €21.95 | €21.95 | 5-7 working days |
| Latvia | €11.95 | €31.95 | €31.95 | €31.95 | 6-8 working days |
| Lithuania | €11.95 | €31.95 | €31.95 | €31.95 | 6-8 working days |
| Luxembourg | €11.95 | €31.95 | €31.95 | €31.95 | 5-7 working days |
| Malta | €14.95 | €89.95 | €89.95 | €89.95 | Contact us |
| Monaco | €10.95 | €21.95 | €21.95 | €21.95 | 4-6 working days |
| Poland | €10.95 | €21.95 | €21.95 | €21.95 | 5-7 working days |
| Romania | €11.95 | €31.95 | €31.95 | €31.95 | 6-8 working days |
| Slovakia | €11.95 | €31.95 | €31.95 | €31.95 | 5-7 working days |
| Slovenia | €11.95 | €31.95 | €31.95 | €31.95 | 6-8 working days |
| Spain | €11.95 | €26.95 | €26.95 | €26.95 | 5-7 working days |
| Sweden | €11.95 | €26.95 | €26.95 | €26.95 | 5-7 working days |
Returns & withdrawal
Which option you use depends on why you are sending the item back.
Changed your mind?
You have 14 days from receiving your order to withdraw from your purchase. Use our Withdrawal from Contract form to tell us. It is the quickest way, and we will then email you a free returns label.
If you would rather post the item back yourself to our returns address in Ireland, you pay the postage. Full details are on our Returns page.
Withdrawal from ContractFaulty, damaged or wrong item?
If your item arrived faulty, damaged or not what you ordered, please follow the steps on our Returns page. We cover the cost of returning these items.
Full details of all our return options are on that page.
Returns pageDelivery prices are shown in euros and confirmed at checkout.

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