<p>The HOLOSUN® Technologies 510C Sight with HM3X Magnifier gets you into a solid dot optic with a 3X magnifier to up your range. The HS510C is constructed from aluminum and features a titanium hood for shock resistance. An absolute co-witness mount is included along with a space for those desiring lower 1/3 co-witness. HOLOSUN packs the optic full of features such as Solar Failsafe, Red Super LED with up to 50k hour battery life, 10 daylight and 2 night vision intensity settings, Shake Awake, and MRS (Multi-Reticle System). The HOLOSUN HM3X 3X Magnifier is a 3X magnifier that must be used with a red dot sight. This 3X magnifier features a quick release, flip-to-side Picatinny rail mount. HOLOSUN gives you a spacer for compatibility with co-witness and lower 1/3 co-witness optic setups. HOLOSUN gives you 2.75 of eye relief and IP67 waterproof rating. Windage and elevation adjustments are used to guarantee zero for on/off use. Optical quality glass lenses are multicoated for maximum light transmission and wear resistance. Hit the range and discover greater distance coverage with this optic combo.</p> <ul> <li>Solar Failsafe</li> <li>Red Super LED</li> <li>50k-hour battery life</li> <li>10 daylight settings</li> <li>2 night vision settings</li> <li>Shake Awake tech</li> <li>MRS</li> <li>Flip-to-side manipulation</li> <li>Multicoated lenses</li> <li>QD mount</li> <li>Height spacers included</li> </ul>