Vortex Defender-ST 3 MOA Red Dot

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 dots 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.