The UTG OP3 Micro Reflex Dot Sight features a 4 MOA reticle, offered in red or green. This IPX7 waterproof rated sight features precision machined 6061-T6 aluminum housing finished in a matte black anodization. If you have ever struggled to get a battery changed in a small red dot like this you will reconize the importance of feature like the magnetized battery compartment. This way the battery sticks to the lid and you are able to swap batteries with ease. Features:Precision Machined from 6061-T6 Aluminum and Finished in a matte black anodization4 MOA single dot with 8 power intensity settings to accommodate different weather/light conditions55,000+ hours battery life at middle brightnessMagnetized battery compartment reduces intermittent reticle illumination and flickerCrisp 1 MOA per click adjustmentBigger lens provides a larger field of viewIPX7 waterproof ratedIncludes removeable low profile picatinny mounting baseMounting base interface uses the common Docter footprintOptic he...