Holosun HS510C + HM3X 3X Magnifier Combo Selling my Holosun HS510C red dot and HM3X 3X magnifier. Both are in good used condition with light cosmetic wear and function properly. Includes the HS510C with quick-release mount and HM3X magnifier with flip-to-side mount. $400 OBO Selling together as a set. Serious inquiries only.
