• RD U4MR red dot sight Side-mounted battery compartment, no longer necessary to remove sight (side-mounted tray for easy replacement when needed,allowing for quick battery replacement)and re-zero
• Multi-reticle red dot sight (3 MOA Dot / 44 MOA Circle / 44 MOA Circle and Dot)using the circle dot reticle makes target acquisition quick and easy
• Large sight window & lightweight (net weight:40g / 1.41oz without picatinny mount),window size is 30X22mm / 1.18x0.87",The ultra-wide sight window gives you a better field of view,Red dot optic clarity is commendable, delivering clear visuals
• ohhunt RD U4MR is an open reflex optical sight,Compatible with RMR footprint cut (No adapter plate is needed),out of the box the picatinny bracket
• Reflex sight shake awake function,it will automatically enter a dormant state after 2 minutes of non use,As soon as the sight senses motion, it will instantaneously wake up .you don't have to worry about turning it on or forgetting to turn it off. but if the sight is manually powered off, the shake awake function will be turned off simultaneously