Other red dots are made for competition. The Vortex Defender-XL Micro Red Dot Sight is built to win. Target to target. Stage to stage. The ultra-wide sight window enhances field of view, delivering quicker target acquisition, faster, more accurate follow-up shots, and greater flexibility in unconventional shooting positions. Motion activated. Constructed to withstand unexpected drops and the rigors of dynamic shooting. Combined with a bright, adjustable dot, it adapts to any lighting conditions and helps reduce eyestrain in long duration events. Positioning you to dominate every round with smooth, uncomplicated operation, the Defender-XL elevates your game, securing your path to victory. Large hard coated aspherical lens for distortion-free sight picture and truer colors Shockshield polymer insert to protect against hard, daily abuse Fast-Rack aggressive texturing on face of optic for racking slide off any surface Motion activated with 10 minute auto-shutoff Button lockout prevents accidental brightness adjustment during use or transport Top-mount battery offers easy battery changes without having to re-zero your optic 10 daylight bright brightness settings for faster center-point acquisition in bright daylight conditions Night-vision compatibility on the lowest 2 settings Parallax free Low-glare matte black anodized creates a low-glare matte surface to help camouflage the shooter's position Single-piece chassis Waterproof o-ring seals prevent moisture, dust and debris from penetrating for reliable performance in all environments Fogproof to withstand a wide range of temperatures Shockproof rugged construction withstands recoil and impact Includes Glock MOS adapter plate, Picatinny mount, rubber cover, lens cloth, custom tool, most common mounting screw sets Order today!