HOLOSUN 507 PRO MAX OPEN PISTOL REFLEX SIGHT The Holosun 507-PROMAX-RD-PRS is built for maximum visibility and speed, pairing an enlarged performance window with a forward-leaning sunshade to cut glare and keep the reticle sharp in bright conditions. Using Holosun's Performance Reticle System, shooters can run a precise 2 MOA dot or bold 8, 20, and 32 MOA circles, alone or combined, to match any stage or shooting style. Built on the RMR footprint, it integrates cleanly with full-size pistols and stays ready with Solar Failsafe and Shake Awake. Powered by a side-loading CR1632 battery rated up to 100,000 hours and protected by Lockout Mode, IP67 waterproofing, and a ru Mfg: Holosun