Vortex Defender-XL Micro 1x Red Dot - 2 MOA Dot - The rush of competitive shooting may bring us all together. But when you want an optic that sets you apart, depend on the Defender-XL. Target to target. Stage to stage. It's built tough as nails around a massive sight window that delivers greater peripheral vision and increasing speed for follow-up shots so you always come out on top. FEATURES: Large Hard Coated Aspherical Lens: Large distortion free sight picture. Aspherical Lens: For distortion-free sight picture and truer colors. ShockShield Polymer Insert: To protect against hard, daily abuse. Fast-Rack Texturing: Aggressive texturing on face of optic for racking slide off any surface. Motion Activation With 10 minute Auto-Shutoff: Automatically activates with motion while 10 minute auto-shutoff saves battery life. Button Lockout: Prevents accidental brightness adjustment during use or transport. 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 center-point acquisition in bright daylight conditions. Night-Vision Compatibility: The lowest 2 settings are night-vision compatible. 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. 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. 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. INCLUDES: Vortex Defender-XL Red Dot: DFXL-MRD2 Glock MOS Adapter Plate Picatinny Rail Mount Rubber Cover Lens Cloth Battery Custom Tool 5 Sets of Common Mounting Screws