Holosun Elite Reflex Sight Green Solar FailsafeThe Holosun HE510C GR is an open reflex sight with green dot reticle designed for rifle and carbine use. The HE510C GR is made with out of aluminum with a titanium hood. The HE510C GR has three reticle options: a 2 MOA green dot, 2 MOA green dot with 65 MOA circle, or a stand alone 65 MOA circle. The three reticle options make this optic a great choice for those with astigmatism or those seeking flexibility. The HE510C GR has 12 brightness settings, 2