Holosun Technologies 530C, Red Reticle, Black Finish, 2MOA Dot with 65MOA Circle, Quick Disconnect Mount, Fits 1913 Picatinny Rail, Titanium Housing, Three Different Reticles, Solar Failsafe, Shake Awake HE530C-RD The HE530C-RD is an ultra durable, titanium, 30mm micro sight designed for hard-use rifle and carbine applications. The HE530C-RD is made from grade 5 titanium and includes clear, removable/rotating lens caps, a absolute co-witness (1.41") mount, and is IP68 certified waterproof and dustproof rating with Solar Failsafe technology.