NIGHTFORCE
NIGHTFORCE ATACR 4-20x50 F1 Riflescope
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NIGHTFORCE ATACR 4-20x50 F1 Riflescope
MOAR™ F1
Tienda Almansa
Pol. Ind. III Fase - C/ Ronda Sur, 7
02640 Almansa
Albacete
Spain
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The Nightforce ATACR 4-20x50 F1 is a first focal plane riflescope designed for users seeking a compact, robust, and precise optic for hunting, stalking, sport shooting, and medium to long-range precision applications. Its 4-20x magnification range offers a highly versatile configuration, with sufficient field of view at 4x and great detail capability at 20x for identifying targets and making precise corrections.
This model incorporates ED glass, a 34 mm main tube, a ZeroStop™ elevation turret, and a DigIllum™ illumination system, combining a clear and bright image with a construction prepared for demanding use. With a total length of 353 mm and a weight of 998 g, it offers powerful optics in a more compact format than other high-magnification scopes in the ATACR family.
The reticle is located in the first focal plane, so it increases and decreases proportionally with the image. This allows its elevation and windage references to be used correctly throughout the magnification range, without depending on a specific magnification.
The ATACR 4-20x50 F1 is available in this listing with four reticles: MOAR™ F1, MIL-C™ F1, MIL-XT™, and Horus TREMOR3™. The MOA variants work with 0.25 MOA adjustments, while the MRAD variants use 0.1 MRAD adjustments, allowing the selection of the measurement system best suited to each user.
Parallax adjustment from 10 meters to infinity, generous internal adjustment range, and the included Power Throw Lever complete a high-level optic for precision rifles, semi-automatic platforms, and hunting configurations where performance, durability, and repeatability are required.
Main features
4-20x magnification range
The 4-20x range allows for comfortable operation at medium and long distances, maintaining a good field of view at 4x and a detailed image at 20x.
First focal plane F1
The reticle changes size proportionally with the image, keeping its correction references valid at any magnification.
High-quality ED glass
ED glass helps provide a sharp, bright image with good color fidelity, especially useful in demanding observations or under changing light.
50 mm objective
The 50 mm front lens provides good light transmission, balancing brightness, size, and mounting height.
34 mm main tube
The 34 mm tube provides robustness and allows for a wide internal adjustment range, suitable for working with medium and long-range corrections.
ZeroStop™ elevation turret
The ZeroStop™ system allows for elevation corrections and a subsequent return to zero quickly, accurately, and repeatably.
MOA or MRAD adjustments
MOA variants use 0.25 MOA clicks, while MRAD variants work with 0.1 MRAD clicks.
Parallax from 10 meters
Side adjustment allows for parallax correction from 10 meters to infinity, adapting sharpness and precision to different distances.
DigIllum™ illumination
The DigIllum™ system improves reticle visibility in low-light conditions, dark backgrounds, or situations with reduced contrast.
MOAR™ F1 reticle
The MOAR™ F1 reticle offers MOA references with a clean and precise design, suitable for users who prefer working with turrets and compensations in minutes of angle.
MIL-C™ F1 reticle
The MIL-C™ F1 reticle features an uncluttered design with MRAD references, a floating center point, and precise reading without overly obscuring the target.
MIL-XT™ reticle
The MIL-XT™ reticle incorporates an MRAD reference grid for quick drop and windage compensations using the reticle itself.
Horus TREMOR3™ reticle
The Horus TREMOR3™ reticle offers an advanced grid for quick elevation and windage corrections, designed for users seeking a highly technical solution in precision shooting.
Power Throw Lever included
The Power Throw Lever allows for quick and comfortable magnification changes, even while wearing gloves.
Available variants
| Reticle | Ref. | Adjustment system | Click value | Elev. | Windage |
|---|---|---|---|---|---|
| MOAR™ F1 | C642 | MOA | 0.25 MOA | 130 MOA | 100 MOA |
| MIL-C™ F1 | C643 | MRAD | 0.1 MRAD | 38 MRAD | 29 MRAD |
| MIL-XT™ | C644 | MRAD | 0.1 MRAD | 38 MRAD | 29 MRAD |
| Horus TREMOR3™ | C637 | MRAD | 0.1 MRAD | 38 MRAD | 29 MRAD |
Technical specifications
| Feature | Nightforce ATACR 4-20x50 F1 |
|---|---|
| Product type | Riflescope |
| Series | ATACR |
| Magnification | 4-20x |
| Objective diameter | 50 mm |
| Focal plane | First focal plane |
| Available reticles | MOAR™ F1 / MIL-C™ F1 / MIL-XT™ / Horus TREMOR3™ |
| Illuminated reticle | Yes |
| Illumination system | DigIllum™ |
| Tube diameter | 34 mm |
| Elevation turret | ZeroStop™ |
| Click value | 0.25 MOA or 0.1 MRAD, depending on variant |
| Elevation adjustment range | 130 MOA / 38 MRAD |
| Windage adjustment range | 100 MOA / 29 MRAD |
| Parallax adjustment | 11 yd / 10 m to infinity |
| Field of view at 100 m | 7.9 m at 4x / 2.0 m at 20x |
| Field of view at 100 yards | 23.6 ft at 4x / 6.1 ft at 20x |
| Eye relief | 3.5” (90 mm) |
| Exit pupil | 8.3 mm at 4x / 2.5 mm at 20x |
| Total length | 13.9” (353 mm) |
| Mounting length available | 5.9” (150 mm) |
| Weight | 35.2 oz (998 g) |
| Magnification lever | Power Throw Lever included |
| Color | Black |
| Recommended use | Hunting, stalking, sport shooting, and medium/long-range precision |
Box includes
Nightforce ATACR 4-20x50 F1 riflescope with the selected reticle
Tenebraex flip-up lens covers
Cleaning fob
Cleaning cloth
Nightforce multi-tool
Power Throw Lever
Nightforce stickers
Owner's manual
Windage beauty ring
Sunshade