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Vortex Optics

Vortex Optics Defender-XL Micro Waterproof 5 MOA Red Dot Sight - DFXL-MRD5

Vortex Optics Defender-XL Micro Waterproof 5 MOA Red Dot Sight - DFXL-MRD5

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Vortex Optics Defender-XL Micro Waterproof 5 MOA Red Dot Sight  - DFXL-MRD5

Other red dots are made for competition. The Defender-XL is built to win. Target to target. Stage to stage. Designed for toughness, speed, and accuracy, it withstands unexpected drops and the rigors of dynamic shooting. The ultra-wide sight window enhances field of view for quicker target acquisition, faster follow-up shots, and greater flexibility in unconventional shooting positions—all positioning you to dominate every round. Red Dot of the Year!

Features
  • Window Size: 25.5mm W x 23.3mm H
  • 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: 10 Daylight Bright Brightness Settings
  • 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 night-vision 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.
  • Low-Glare Matte Black Anodized: Corrosion and wear resistant anodization provides low-glare matte surface.
  • Single-Piece Chassis: Compact and lightweight.
 Specifications
Magnification 1x
Reticle 5 MOA Dot
Dot Color Bright Red
Mounting Footprint DeltaPoint Pro
Mount Type Picatinny
Battery Runtime 25,000 hours
Eye Relief Unlimited
Parallax Parallax Free
Adjustment Graduation 1 MOA
Max Elevation Adjustment 120 MOA
Max Windage Adjustment 115 MOA
Length 2.03 inches
Weight 1.93 oz
What our Experts Think
  • Flagship compact optical performance – UHD optical system with APO lenses delivers exceptional sharpness, color fidelity, and edge-to-edge clarity in a compact size
  • Wide, immersive field of view – ~472 ft @ 1000 yds provides excellent situational awareness, making scanning and tracking effortless
  • Perfect balance of portability & power – 8x32 configuration keeps weight low (~21.9 oz) while maintaining strong detail and usability for all-day carry
  • Impressive low-light performance (for size) – XR™ Plus coatings maximize light transmission, delivering bright images even in challenging lighting
  • Premium build quality – Magnesium chassis with rubber armor ensures shockproof, waterproof, and fogproof durability in harsh environments
  • Highly ergonomic design – Open-bridge construction, smooth center focus, and locking diopter provide comfortable, precise handling
  • Tripod adaptable versatility – Can be mounted for extended glassing when maximum stability is needed
  • Complete premium bundle – Includes GlassPak Pro harness and accessories for ready-to-use field performance
  • Trade-off: premium price tier – Positioned as a high-end optic, but justified by top-tier glass and build quality

Q&A

Q: What is the Viper PST Gen II 1‑6x24 designed for?
A: A versatile LPVO (Low Power Variable Optic) ideal for tactical shooting, competition, and close-to-mid range engagements.

Q: What makes the 1–6x magnification useful?
A: True 1x enables fast, red-dot-like targeting, while 6x magnification allows for precise shots at extended distances.

Q: Is this a First or Second Focal Plane scope?
A: It is a Second Focal Plane (SFP) scope, meaning the reticle remains the same size and is optimized for use at a specific magnification.

Q: What reticle options are available?
A: Common options include VMR-2 (MOA or MRAD) reticles, designed for fast target acquisition and accurate holdovers.

Q: Is the reticle illuminated?
A: Yes, it features daylight-bright illumination with multiple intensity settings, ideal for all lighting conditions.

Q: How is the optical performance?
A: Equipped with XD glass and fully multi-coated lenses, delivering clear, bright images with excellent contrast.

Q: What turret system does it use?
A: Features low-profile capped turrets with precise, repeatable adjustments for reliability in the field.


Maintenance Tips
  • Clean lenses with care: Use a microfiber cloth and lens-safe cleaner to preserve fully multi-coated optics and maintain sharp, high-contrast images.
  • Keep turrets debris-free: Regularly wipe exposed tactical turrets to ensure smooth 0.1 MRAD adjustments and reliable tracking.
  • Check zero-stop (RevStop™): Periodically verify zero return for consistent long-range accuracy and repeatability.
  • Inspect mount & 34mm tube fit: Ensure rings are properly torqued to prevent shift and maintain zero under recoil.
  • Maintain parallax & focus controls: Keep side parallax (15 yards–∞) and fast-focus eyepiece clean for precise targeting.
  • Use throw lever correctly: Keep it secure and clean for quick, smooth magnification changes from 5x–25x.
  • Protect lenses & coatings: Avoid touching glass—ArmorTek coatings resist scratches but still require careful handling.
  • Dry after exposure: Even though waterproof, fogproof, and nitrogen-purged, wipe down after rain or dust.
  • Store with accessories: Use included lens covers and sunshade to protect the 56mm objective from damage.
  • Avoid impacts: Rugged construction is shock-resistant, but minimizing drops preserves internal precision.