Product Details Details Manufacturer : Holosun Model/Series : HE510C-GR Reticle : 2 MOA Dot & 65 MOA Circle Battery Type : CR2032 Reticle Brightness : 10 Daylight & 2 NV Window Size : 1.1 x 0.87 in Model/Series : HM3X Magnification : 3x Eye Relief : 70mm Field of View : 7° Flip To Side Mount Included Spacer Features The Holosun HE510C-GR & HM3X Combo provides a versatile and rugged sighting system designed for optimal performance in long gun applications. The HE510C-GR, a high-quality open reflex sight, pairs perfectly with the HM3X, a 3X magnifier, delivering unmatched flexibility and precision for tactical professionals, competitive shooters, and outdoor enthusiasts alike. This combo offers a seamless solution for close-range and midrange engagements. Multi-Reticle System™ (MRS): 65 MOA Circle + 2 MOA Dot, 2 MOA Dot only, or 65 MOA Circle only Green Super LED Parallax Free Shake Awake™ w/ Last Setting Recall 3X Magnification Flip-to-the-Side Design: Quick transitions between close-range and magnified views QD Mount & Spacer Included: Compatible with absolute & lower 1/3 co-witness optics