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Product Info for NightForce ATACR 4-20x50mm ZeroStop Rifle Scope, 34mm Tube, First Focal Plane, Mil-C F1 Reticle, Black, C643

The NightForce ATACR 4-20x50mm ZeroStop Rifle Scope, 34mm Tube, First Focal Plane, Mil-C F1 Reticle, Black, C643 Objective Lens Diameter: 50 mm, Magnification: 4 - 20 x, Reticle: Mil-C, Tube Diameter: 34 mm, Reticle Focal Plane: First Focal Plane (FFP), Exit Pupil: 2.5 - 8.3 mm, Illumination Color: Red, Finish: Matte, Field of View, Linear: 6.1 - 23.6 ft at 100 yds, Eye Relief: 3.5 in, Color: Black, Weight: 35.2 oz, Adjustment Click Value: 0.1 Mil Rad, Length: 13.9 in, Adjustment Type: Mil Rad, Parallax: 11 yds to infinity, Illumination Type: Digillum, Battery Type: Stand Alone Lithium, Magnification Type: Variable, Condition: New, W/E Travel at 100 Yds: 100 - 130 MOA, Gun Type: Rifle. is here at OpticsPlanet with fantastic deals ! Please also check out more options for NightForce ATACR 4-20x50mm ZeroStop Rifle Scope, 34mm Tube, First Focal Plane.

Purchase your new NightForce ATACR 4-20x50mm ZeroStop Rifle Scope, 34mm Tube, First Focal Plane, Mil-C F1 Reticle, Black, C643 from OpticsPlanet today and you will appreciate the easy checkout process, fantastic customer service, Free Shipping policy and information on easily tracking your order.

New for 2021, the 4-2050 F1 fills an important magnification range in the ATACR line. Equally at home atop a bolt action or a semi-automatic rifle, the 4-2050 F1 is smaller and lighter than the 5-2556 F1 while offering a 25% improvement in magnification over the 4-1642 F1. With Digillum, a ZeroStop turret, power throw lever, ED lenses, and 20x max magnification, the ATACR 4-2050 F1 is our apex mid-power scope.

Included Accessories:

Tenebraex Flip Up Covers

Cleaning Fob/ Cleaning Cloth

Multi-Tool

Power Throw Lever

Stickers

Owners Manual

Windage Beauty Ring

Sunshade

Package Contents:

  • NightForce ATACR 4-20x50mm ZeroStop Rifle Scope, 34mm Tube, First Focal Plane

Specifications for NightForce ATACR 4-20x50mm ZeroStop Rifle Scope, 34mm Tube, First Focal Plane, Mil-C F1 Reticle, Black, C643

Objective Lens Diameter 50 mm
Magnification 4 - 20 x
Reticle Mil-C
Tube Diameter 34 mm
Reticle Focal Plane First Focal Plane (FFP)
Exit Pupil 2.5 - 8.3 mm
Illumination Color Red
Finish Matte
Field of View, Linear 6.1 - 23.6 ft at 100 yds
Eye Relief 3.5 in
Color Black
Weight 35.2 oz
Adjustment Click Value 0.1 Mil Rad
Length 13.9 in
Adjustment Type Mil Rad
Parallax 11 yds to infinity
Illumination Type Digillum
Battery Type Stand Alone Lithium
Magnification Type Variable
Condition New
W/E Travel at 100 Yds 100 - 130 MOA
Gun Type Rifle
$3,200.00
Order Now & Earn $160.00 OP Bucks
Code: NF-RS-ATCR42050-C643
MPN: C643
UPC: 847362019543
See All 5 Models

  • NightForce ATACR 4-20x50mm ZeroStop Rifle Scope, 34mm Tube, First Focal Plane, Mil-C F1 Reticle, Black, C643
  • Helix 6 Precision Pre-fit Threaded Rifle Barrel, .300, 26in, Ruger, Winchester Magnum, Black, RPR-300WM-26BL
$4,299.99
Save $110.00
$4,189.99
OP Bucks$179.80
$110.00 (3%)
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Last updated 2026-09-16 UTC.