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ACM Red Dot 1X FC1 Reflex Sight

by ACM

DI Optical’s compact FC1 parallax free prism sight weights just 290g and offers full features in a lightweight package. The rectangular 17mm x 23mm lens with a multi-layer anti-reflective coating provides an exceptionally well defined red dot without ghost image, flare, reflection, or blurriness.
The FC1 Housed in a rugged case made from aluminum. The single, easy to use push button selects between 7 mode types.  The FC1 mounts on standard a MIL-STD 1913 rail, or it can be used with an optional lever operated quick disconnect mount.


  • Parallax free prism optical system with clear and compact lens
  • Excellent size for carbines, sub-machineguns, and shotguns
  • Goes to stand-by mode 
  • Compact and rugged CNC machined aluminum housing
  • Requires only 1.5 inches of rail space
  • Compatible with optional A.R.M.S. detachable mount
  • Single CR2032 battery