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Questions & Answers
What ammo is the reticle measured out with? Would I have any problems with a 14.5 inch barrel using 55.6? Manufacturer Answer

The reticle in that optic is indexed in either MOA or MILs it is not a BDC reticle set up for any particular load. Once you establish your ballistics it will work with any load.

by NightForce, Manufacturer, November 19, 2025
Is this a demo scope? Manufacturer Answer

You will have to reach out to Optics Planet to answer that question.

by NightForce, Manufacturer, October 14, 2025
Customer Reviews
Helpful Positive Review
Incredible scope, built like a tank by Steve B, June 12, 2015
I just bought this scope and had it mounted on my Remington 700, 7mm-08 rifle, using the Nightforce rail and mounts. This is the second Nightforce scope I own; I also have the 2.5X10X42. The ATACR scope is truly a heavy duty scope and it is heavy and...
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22/23 found this helpful
Helpful Positive Review
The best glass by Rh, September 28, 2017
This is incredible glass....well worth the cost better than any of the other high end glass you can find OP did a good job on delivery and support. Would recommend them to anyone and sale price was great too.
3/3 found this helpful
Helpful Positive Review
The Best you can buy by Sheepdog, Verified Owner, July 25, 2020
This U.S. made scope matches anything I have seen from Europe or Asia, at a significant savings. Rock solid, perfect lenses, ideal reticle and a perfect illumination system for low light shooting. I mounted this on my LaRue Predator and had no issues...
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5/5 found this helpful
Helpful Positive Review
Atacr is amazing, reticle is meh by Andrew, Verified Owner, July 11, 2024
As always NF delivers with the atacr. tracking and glass are on point but the MOA-xt reticle is kind of a let down. I mean, it works, but it’s not ideal.
2/3 found this helpful
Helpful Positive Review
NightForce ATACR 4-16 x 42 F1 scope review by ghost warrior, July 20, 2015
The ATACR 4-16x42 is my first FFP optic from NightForce. I have other SFP NightForce optics as well as several Leupold, Valdada, Vortex, and Schmidt & Bender on a wide range of calibres. I chose this unit because of its more compact nature as compa...
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29/29 found this helpful
Helpful Positive Review
Best Scope on the Market by Kevin, October 21, 2016
I went all out and bought the MOAR 4-16 F1 for my sig 516 which iknow is exesive but for anyone out there that is wondering is this scope too much for my ar the answer is no. do u need this much scope for your AR? NO but if u want to get the top of t...
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11/11 found this helpful
Read All 12 Reviews
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Product Info for NightForce ATACR 4-16x42mm Rifle Scope, 34mm Tube, First Focal Plane

Great for those who need something powerful and compact, the NightForce ATACR F1 4-16x42mm Rifle Scope w/ ZeroHold will immensely enhance the quality of your shoots. Made with a first focal plane reticle, the Night Force F1 ATACR Rifle Scope will provide fast hold-off adjustments and precise ranging calculations. The parallax adjustment on the NightForce 4-16x42mm ATACR Scope is marked with approximate numbered distances and is coupled with Digillum digital reticle illumination. The eyepiece on this amazing Rifle Scope from the industry experts at NightForce features enhanced engraving, an integrated Power Throw Lever (PTL) and an XtremeSpeed thread for making a fast diopter adjustment. For an easy way to make sure you are using one of the best scopes the shooting industry can provide, choose the NightForce ATACR Rifle Scope w/ 42mm Objective & 4-16x Magnification.image

Specifications for NightForce ATACR 4-16x42mm Rifle Scope, 34mm Tube, First Focal Plane:

Manufacturer: NightForce
Objective Lens Diameter: 42 mm
Magnification: 4 - 16 x
Tube Diameter: 34 mm
Reticle Focal Plane: First Focal Plane (FFP)
Exit Pupil: 2.7 - 10.3 mm
Illumination Color: Red
Finish: Matte
Field of View, Linear: 6.9 - 26.9 ft at 100 yds, 0 - 26.9 ft at 100 yds
Eye Relief: 3.5 in
Color: Black
Weight: 30 oz
Length: 12.6 in
Parallax: 45 yds to infinity
Illumination Type: Digillum
Fabric/Material: Aluminum
Water Resistance Level: Waterproof
Magnification Type: Variable
Condition: New

Features of NightForce ATACR 4-16x42mm Rifle Scope, 34mm Tube, First Focal Plane:

  • Tenebraex Flip Up Covers
  • Cleaning Fob/ Cleaning Cloth
  • Multi-Tool
  • Power Throw Lever
  • Stickers
  • Owners Manual
  • Windage Beauty Ring

Package Contents:

  • NightForce ATACR 4-16x42mm Rifle Scope, 34mm Tube, First Focal Plane

NightForce ATACR 4-16x42mm Rifle Scope, 34mm Tube, First Focal Plane Orderable Models

List of Orderable Models

  • NightForce ATACR 4-16x42mm Rifle Scope, First Focal Plane, 34 mm Tube, PTL MOAR, Black, C542 , MPN: C542 , UPC: 847362007939 , Code: NF-RS-SQZZ2-C542
  • NightForce ATACR 4-16x42mm Rifle Scope, First Focal Plane, 34 mm Tube, TReMoR3, Black, C575 , MPN: C575 , UPC: 847362014654 , Code: NF-RS-SQZZ2-C575
  • NightForce ATACR 4-16x42mm Rifle Scope, First Focal Plane, 34 mm Tube, MOA-XT Reticle, Black, C647 , MPN: C647 , UPC: 847362020556 , Code: NF-RS-SQZZ2-C647
  • NightForce ATACR 4-16x42mm Rifle Scope, First Focal Plane, 34 mm Tube, Mil-C Reticle, Black, C588 , MPN: C588 , UPC: 847362015323 , Code: NF-RS-SQZZ2-C588
  • NightForce ATACR 4-16x42mm Rifle Scope, 34mm Tube, First Focal Plane, MIL-XT Reticle, Black, C615 , MPN: C615 , UPC: 847362016450 , Code: NF-RS-SQZZ2-C615

NightForce ATACR 4-16x42mm Rifle Scope, 34mm Tube, First Focal Plane Unavailable & Discontinued Models

List of Unorderable Models

  • USED NightForce ATACR 4-16x42mm Rifle Scope, First Focal Plane, 34 mm Tube, MOA-XT Reticle, Black, C647, EDEMO1, Used, Condition Fair , MPN: C647-EDEMO1 , Code: NF-RS-SQZZ2-C647-EDEMO1
  • Demo, NightForce ATACR 4-16x42mm F1 ZeroHold .1 Mil-Radian DigIllum PTL Mil-R, Black, 34mm C552 , MPN: C552-DEMO , Code: NF-RS-SQZZ2-C552-DEMO
  • Demo,NightForce ATACR 4-16x42mm F1 ZeroHold .250 MOA DigIllum PTL MOAR, Black, 34mm C542-DEMO , MPN: C542-DEMO , Code: NF-RS-SQZZ2-C542-DEMO
  • DEMO, NightForce ATACR 4-16x42mm Rifle Scope, First Focal Plane, 34 mm Tube, MOA-XT Reticle, Black, C647 , MPN: C647-DEMO , Code: NF-RS-SQZZ2-C647-DEMO
  • Open Box, Dealer Demo, NightForce ATACR 4-16x42mm F1 ZeroHold .1 Mil-Radian PTL H59, Black, 34mm C550 , MPN: C550-DMO , Code: NF-RS-SQZZ2-C550-DMO
  • NightForce ATACR 4-16x42mm F1 ZeroHold .1 Mil-Radian PTL TReMor3, Black, 34mm C549 , MPN: C549 , UPC: 847362008004 , Code: NF-RS-SQZZ2-C549
  • NightForce ATACR 4-16x42mm Rifle Scope, First Focal Plane, 34 mm Tube, Mil-R, 34mm, Black, C552 , MPN: C552 , UPC: 847362008035 , Code: NF-RS-SQZZ2-C552
  • DEMO, NightForce ATACR 4-16x42mm Rifle Scope, 34mm Tube, First Focal Plane, MIL-XT Reticle, Black, C615 , MPN: C615-DEMO , Code: NF-RS-SQZZ2-C615-DEMO
  • NightForce ATACR 4-16x42mm F1 ZeroHold .1 Mil-Radian PTL H59, Black, 34mm C550 , MPN: C550 , UPC: 847362008011 , Code: NF-RS-SQZZ2-C550
  • NightForce ATACR 4-16x42mm Rifle Scope, First Focal Plane, 34 mm Tube, H59 Reticle, Black, C573 , MPN: C573 , UPC: 847362014630 , Code: NF-RS-SQZZ2-C573
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