Whether running drills at the range or holding the line, the Defender-ST is ready when and wherever you are. Rugged and reliable? It’s a given. Large sight window? Absolutely. Motion-activation and a dot with adjustable brightness, it delivers superior target acquisition, adaptability in all lighting conditions, and faster follow-up. The all-purpose Defender-ST delivers the toughness, accuracy, and adaptability your challenging world demands.
Key Features:

• 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 Optics DFST-MRD3/DFST-MRD6 Defender-ST Micro Red Dot Sight Specifications:

• Magnification: 1x
• Reticle: 3 MOA Defender Dot (DFST-MRD3) / 6 MOA Defender Dot (DFST-MRD6)
• 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 (DFST-MRD3) / 6 MOA (DFST-MRD6)
• Eye Relief: Unlimited
• Length: 1.83"
• Weight: 1.48 oz.

In The Box Vortex Optics DFST-MRD3 or DFST-MRD3 Defender-ST Micro Red Dot Sight with Wearable4U Bundle (Bundle Options Available. Choose Your Bundle Option):