The Holosun HS407COMP-RD6 is built for competition speed delivering fast target acquisition with a bold 6 MOA red dot and a wide viewing window that keeps transitions smooth and sight tracking clean. Designed on the proven COMP housing it stays light fast and focused on performance. Machined from hard-anodized 7075 aluminum the HS407COMP-RD6 is made to handle high round counts with Shake Awake Memory Mode and a side-loading CR1632 battery that swaps without losing zero. Add IP67 waterproofing and 5000G vibration resistance and you get a competition optic that works as hard as you do.