In Stock Vortex Optics Defender-XL 5 MOA Red Dot Sight with Picatinny Mount and Glock MOS Adapter Plate
The Vortex Defender-XL 5 MOA Red Dot Sight with Picatinny Mount and Glock MOS Adapter Plate is a high-performance, competition-ready reflex optic built for speed, durability, and fast target transitions. Its oversized, distortion-free window delivers an ultra-wide field of view, allowing shooters to acquire and track targets quickly under pressure. The crisp 5 MOA red dot provides a strong balance of speed and precision, while 10 brightness settings (including night-vision compatible modes) ensure visibility in any lighting condition. Motion activation with auto-shutoff extends battery life up to 25,000 hours, and the top-loading battery design allows changes without re-zeroing. Built from rugged 7075 aluminum with ShockShield™ protection, it is waterproof, fog-proof, and parallax-free for dependable performance in harsh conditions. With both a Picatinny mount and Glock MOS adapter included, it offers broad compatibility and immediate out-of-the-box readiness, backed by Vortex’s lifetime warranty.
-Nathan (Technical Advisor)
The Vortex Optics Defender-XL™ 5 MOA Red Dot Sight is engineered for shooters who demand performance under the most rigorous conditions. Built to dominate competitive shooting scenarios, the Defender-XL™ offers a perfect blend of toughness, speed, and accuracy. Its robust 7075 aluminum body, fortified with ShockShield™ polymer inserts, shrugs off the impacts of unexpected drops and everyday abuse. Whether you're transitioning between targets or pushing through dynamic stages, this optic is your ultimate ally.
At the heart of the Defender-XL™ is an ultra-wide, distortion-free aspherical lens that delivers a crystal-clear sight picture, ensuring rapid target acquisition and precise follow-up shots. The large sight window (25.5mm W x 23.3mm H) enhances peripheral awareness, granting greater flexibility when engaging in unconventional shooting positions. Paired with a bright 5 MOA red dot and 10 adjustable brightness settings, the reticle remains sharp and visible in all lighting conditions, including two settings compatible with night vision.
Designed for practical use, the Defender-XL™ features a motion-activated reticle with a 10-minute auto-shutoff to preserve its impressive 25,000-hour battery life. The top-mounted CR2032 battery can be replaced without the need to rezero, streamlining maintenance. Its Fast-Rack™ texturing allows for confident racking against any surface, while Picatinny mounting ensures compatibility with a wide range of platforms. The optic's single-piece chassis is lightweight at just 1.93 oz and sports a low-glare matte black anodized finish for durability and stealth.
The Defender-XL™ excels in all environments with waterproof, fogproof, and corrosion-resistant construction. Its parallax-free design and unlimited eye relief ensure seamless performance, while the included Glock MOS adapter plate, Picatinny rail mount, rubber cover, lens cloth, battery, custom tool, and mounting screws provide everything you need for a quick and secure setup. With its rugged reliability and superior functionality, the Defender-XL™ is the red dot sight you can trust to outlast and outperform.
- Mounting Footprint DeltaPoint® Pro
- Mount Type Picatinny
- Dot Size 5 MOA
- Dot Color Bright Red
- Battery Type CR2032
- Battery Runtime 25,000 hours
- Magnification 1x
- Reticle 5 MOA Dot
- Eye Relief Unlimited
- Adjustment Graduation 1 MOA
- Max Elevation Adjustment 120 MOA
- Max Windage Adjustment 115 MOA
- Parallax Setting Parallax Free
- Length 2.0 inches
- Weight 1.93 oz.
- Ultra-Wide Sight Window: Provides a large, distortion-free field of view for quick target acquisition and flexibility in unconventional shooting positions.
- Bright 5 MOA Red Dot Reticle: Offers a crisp, daylight-visible aiming point with 10 adjustable brightness settings, including two night-vision-compatible levels.
- Motion Activation with Auto-Shutoff: Activates the reticle with movement and conserves battery life with a 10-minute auto-shutoff feature.
- ShockShield™ Polymer Insert: Absorbs shock to protect the durable 7075 aluminum body from impacts and harsh use.
- Fast-Rack™ Texturing: Aggressive surface texturing on the optic allows for confident slide racking against various surfaces.
- Top-Mounted Battery Compartment: Enables easy battery replacement without requiring rezeroing of the optic.
- Waterproof and Fogproof: O-ring seals prevent moisture, dust, and debris from entering, ensuring reliable performance in all weather conditions.
- Low-Glare Matte Finish: Corrosion-resistant anodization minimizes glare and helps maintain a low profile.
- Unlimited Eye Relief: Allows for rapid target acquisition from any shooting position, enhancing versatility.
- Parallax-Free Design: Ensures consistent point of aim, reducing errors in dynamic shooting scenarios.
- Night-Vision Compatibility: Includes settings optimized for use with night-vision equipment.
- Compact and Lightweight Design: Ideal for shooters who value portability without compromising performance.
- Ready-to-Mount System: Includes Glock MOS adapter plate, Picatinny rail mount, and common mounting screws for versatile platform compatibility.
- Comprehensive Accessories: Comes with a rubber cover, lens cloth, custom tool, and battery for immediate use out of the box.
The Defender-XL™ features a total of 10 brightness settings (eight for daylight use and two for night vision). Offered with a 5 MOA daylight bright red dot, it is easy to see and acquire targets regardless of lighting conditions or background.

- Vortex Optics Defender-XL 5 MOA Red Dot Sight with Picatinny Mount
- Glock MOS Adapter Plate
- Picatinny Rail Mount
- Rubber Cover
- Lens Cloth
- Battery
- Custom Tool
- 5 Sets of Common Mounting Screws
1. What firearms is the Defender-XL compatible with?
It is designed for pistol slides (especially Glock MOS systems) and can also be used on Picatinny-mounted platforms.
2. What does the 5 MOA dot size mean?
A 5 MOA dot covers about 5 inches at 100 yards, making it ideal for fast target acquisition and close-to-mid range shooting.
3. Does it include mounting options?
Yes, it comes with both a Glock MOS adapter plate and a Picatinny rail mount for flexible installation.
4. Does it have motion activation?
Yes, it automatically powers on when movement is detected and shuts off after inactivity to save battery life.
5. How long does the battery last?
Battery life is approximately 25,000 hours depending on brightness settings and usage.
6. Is the sight durable?
Yes, it uses a 7075 aluminum body with ShockShield™ reinforcement to handle recoil, impacts, and harsh field conditions.
7. Is the glass clear?
Yes, it features a large, hard-coated aspherical lens designed for a distortion-free sight picture.
8. Is it waterproof and fog-proof?
Yes, it is fully sealed to prevent moisture, dust, and debris ingress for reliable all-weather performance.
9. Does it support night vision use?
Yes, it includes low brightness settings optimized for night-vision compatibility.
10. Does it come with a warranty?
Yes, it is covered by Vortex’s unconditional lifetime VIP 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.

calcPageSize()); bodyToggle()"
/>


