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FC1

DI Optical’s compact FC1 virtually parallax free prism gun-sight weighs just 170 grams with mount and offers many features in its lightweight package.  The rectangular 15mm x 21mm lens with a proprietary multi-layer anti-reflective coating provides an exceptionally well defined red dot. Housed in a rugged case CNC machined from a solid block of 6061-T6 aircraft grade aluminum, the FC1 is unsurpassed in its rugged construction.  The single, easy to use push button selects between 7 daytime and 7 night vision compatible modes. The FC1 mounts on standard a MIL-STD 1913 rail, or it can be used with an optional lever operated quick disconnect mount.

MSRP: $490


Unique Features


  • Virtually Parallax free prism optical system with a clear compact lens
  • Excellent size for carbines, sub-machine guns, and shotguns
  • Single button LED brightness control
  • Compact and rugged CNC machined aluminum housing
  • Requires only 1.5 inches of rail space
  • Meets military MIL-STD 810G durability testing standards to insure the highest quality and reliability
  • +/-40 MOA adjustment in both elevation and windage
  • Auto shut off feature: 10 hours if no movement.
  • Removable spacer to suits on low profile guns (Short screw included)


Technical Specifications

MODEL FC-1
OPTIC TYPE Virtually Parallax free prism
LENS DIMENSIONS 15mm x 21mm
EYE RELIEF Unlimited
MAGNIFICATION 1X
1 CLICK 24 MM @ 100 M (DOT ONLY) / 1 MOA
OVERALL DIMENSIONS 48 x 43 x 43 mm (L x W x H)
WEIGHT 170 g(6 oz)  w/mount and battery
DOT SIZE 2  MOA
BRIGHTNESS SETTINGS 14 ( 7 daylight, 7 night vision)
STORAGE TEMP RANGE -41° ~  71° C, (-42° ~ 160° F)
OPERATING TEMP RANGE -32° ~ 71° C, (-25.6° ~ 160° F)
MIL SPEC CONFORMITY MIL-STD 810G Environment Testing
NIGHT VISION COMPATIBLE Yes
SWITCH Push Button
MOUNT MIL-STD 1913 Rail Optional quick disconnect
MOTION SENSOR Built-In (Auto Shut-Off in 10 Hours)
WATERPROOF Submersible up to 10 Feet.
BATTERY LIFE Approx. 5000 Hrs (Mid Brightness Level)
ADJUSTMENT RANGE 40 (+/-) CLICKS

Photos