Nightforce C577: ATACR - 5-25x56mm F1 - ZeroStop - .1 Mil-Radian - Digillum - PTL - H59

Nightforce : C577
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Nightforce ATACR 5-25x56 H59 Riflescope C577

Without a doubt, this could be called the perfect all-around long range riflescope.

The ATACR 5-25x56 F1 is packed full of features that might make some grown men cry. The ED optics are beautiful, the mechanics sound. The adjustments are standard with the patented Nightforce Hi-Speed ZeroStop, and available in .1 Mrad (12 Mils per revolution) or .25 MOA (30 MOA per revolution) increments. A capped windage adjustment helps prevent accidental adjustment in the field. The parallax adjustment is marked with approximate numbered distances and is coupled with DigIllum digital reticle illumination. The eyepiece features enhanced engraving, an integrated Power Throw Lever (PTL) and an XtremeSpeed thread for making a fast diopter adjustment.

All of these features are paired with intelligent, Nightforce F1 reticles to set a new standard in long range shooting. If there's something this riflescope can't do, we have yet to find it.

Tenebraex Flip Covers are now included with ATACR™ riflescopes*.


(*Excluding models C445, C446, C526)



Focal Plane: First

Magnification Range: 5-25x 

Objective lens diameter: 56mm

Tube diameter: 34mm/1.34 in 

Internal adjustment range (MOA/Mil) - e: 120 MOA w: 80 MOA / e: 35 Mil w: 23 Mil

Click value - .250 MOA / .1 Mil-rad

Calibrated Ranging Power: N/A

Parallax adjustment: 45 yd–∞

Exit pupil diameter - 5x:8.3mm / 25x: 2.3mm 

Eye relief: 85-90mm/3.35-3.54 in

Field of view @100 yards/100 meters - 5x: 18.7ft 25x: 4.92ft / 5x: 5.7m 25x: 1.5 m

Objective outer diameter: 65 mm 

Eyepiece outer diameter: 46 mm

Overall length (inches/mm): 15.37 in/390 mm

Weight (ounces/grams): 38 oz/1066g

Mounting length (inches/mm): 5.9 in/150 mm

Front/Rear Mounting Length: 1.65 in/2.48 in

PTL (Power Throw Lever): Standard

Reticles available - TReMoR3™  MOAR  MIL-R  MIL-C  H59



  U.S. Government Export Restriction

This item is restricted for export by ITAR. Make sure that you are familiar with all applicable laws.  ITAR Information.


  FNBNA Financing (This option is for orders of $2000 or more.) 

We offer financing through the First National Bank of Northern Arkansas. Financing Information.



Max Magnification:
Reticle Position:
First Focal Plane