HOLOSUN 407 COMP OPEN PISTOL REFLEX SIGHT 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. FEATURES High-visi Mfg: Holosun