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New for 2021, the 4-20×50 F1 fills an important magnification range in the ATACR line. Equally at home atop a bolt action or a semi-automatic rifle, the 4-20×50 F1 is smaller and lighter than the 5-25×56 F1 while offering a 25% improvement in magnification over the 4-16×42 F1. With Digillum, a ZeroStop turret, power throw lever, ED lenses, and 20x max magnification, the ATACR 4-20×50 F1 is our apex mid-power scope.
New Nightforce ATACR 4-20×50 Riflescopes Available Models for 2021 – VIEW ALL
ATACR 4-20×50 F1 with TReMoR3 Reticle – C637
ATACR 4-20×50 F1 with TReMoR3 Reticle – C642
ATACR 4-20×50 F1 with MIL-C Reticle – C643
ATACR 4-20×50 F1 with MIL-XT Reticle – C644
There are 4 models of Nightforce ATACR 4-20×50 F1 Riflescopes, depending upon the reticle used:
The TREMOR reticle is all about faster shooting.
The MOA F1 reticle features 1 MOA elevation and windage markings for accurate range…
Designed to meet the needs of today’s Precision Rifle Series competitor, the MIL-C…
Designed to meet the needs of today’s precision rifle competitor, the MIL-XT reticle…
Specifications
| Attributes | C637 | C642 | C643 | C644 |
|---|---|---|---|---|
| Magnification | 4x - 20x | 4x - 20x | 4x - 20x | 4x - 20x |
| Objective Lens Diameter | 50mm | 50mm | 50mm | 50mm |
| Field of view, ft@100yd | 23.6 feet @ 100 yards 6.1 feet @ 100 yards | 23.6 feet @ 100 yards 6.1 feet @ 100 yards | 23.6 feet @ 100 yards 6.1 feet @ 100 yards | 23.6 feet @ 100 yards 6.1 feet @ 100 yards |
| Tube Diameter | 34mm | 34mm | 34mm | 34mm |
| Scope Turret Adjustment | .1 Mil | .250 MOA | .1 Mil | .1 Mil |
| Parallax Adjustment | 11 yards to infinity | 11 yards to infinity | 11 yards to infinity | 11 yards to infinity |
| Reticle Name | Tremor3 | MOAR | Mil-C | Mil-XT |
| Reticle Illumination | Yes | Yes | Yes | Yes |
| Focal Plane | First Focal Plane | First Focal Plane | First Focal Plane | First Focal Plane |
