Nightforce ATACR 4-20x50 F1 TREMOR3 (C637)
 | Outdated Product Type: optic; Design: enclosed; Magnification (x): 4 – 20; Magnification adjustment; Lens diameter (mm): 50; Reticle: in the 1st focal plane (FFP); Aiming mark illumination: red; Backlight brightness adjustments; More features: dust-, waterproof; shockproof; nitrogen filled; Elevation drum: open E-Catalog uses affiliate links compensated by our partners. |
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6 – 36 x, optic, enclosed, MRAD, lens: 56 mm, parallax adjustment, fFP mesh, backlight red, length: 387 mm, for large caliber
4.5 – 27 x, optic, enclosed, MRAD, lens: 56 mm, parallax adjustment, fFP mesh, backlight red, length: 356 mm
6 – 36 x, optic, enclosed, MOA, lens: 56 mm, parallax adjustment, fFP mesh, backlight red, length: 387 mm, for large caliber
5 – 25 x, optic, enclosed, MRAD, lens: 56 mm, parallax adjustment, fFP mesh, backlight red, length: 396 mm
5 – 25 x, optic, enclosed, MOA, lens: 56 mm, parallax adjustment, fFP mesh, backlight red, length: 396 mm
Nightforce ATACR 4-20x50 F1 TREMOR3
Type:optic
Magnification:4 – 20 x
Lens diameter:50 mm
Field of view at 100 m:7.9 – 2 m
Scope length:353 mm
All specifications
Specifications ATACR 4-20x50 F1 TREMOR3
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The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Nightforce 2026 - new arrivals, bestsellers, and the most relevant models Nightforce.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Nightforce 2026 - new arrivals, bestsellers, and the most relevant models Nightforce.
Series Nightforce ATACRCompare using chart →
5 – 25 x, optic, enclosed, MOA, lens: 56 mm, parallax adjustment, backlight red, length: 390 mm
7 – 35 x, optic, enclosed, MOA, lens: 56 mm, parallax adjustment, backlight red, length: 406 mm
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