The ACO or Aimpoint Carbine Optic (200174) is a quality optic designed to withstand extreme weather and still remain accurate and user friendly
This quality Optic was developed with the modern sporting rifle owner in mind, and ACO is ready to mount and shoot directly out of the box. The 30mm aluminum alloy sight tube along with a rugged fixed height mount is designed to provide absolute co-witness with AR-15 backup iron sights.
The ACO utilizes a two Minute of Angle(2 MOA) red dot to allow maximum target acquisition speed and accuracy at all distances. Aimpoint exclusive ACET technology allows for up to one year of constant-on use from a single DL1/3N battery. With a completely waterproof housing, the sight can be used in almost all environmental conditions.