Zero Compromise Optic 8-40x56 ZC840 Riflescope
Our engineers have set the next standard for magnification, imaging performance and mechanical precision. The top optical values for contrast and resolution also enable a perfect and brilliant image in the higher magnification range (> 30x) for the first time.
With a height adjustment range of 28 mils and a field of view of 4.6m / 100m - 1.0m / 100m at 40x magnification, you always have a perfect view of your target.
MRAD Spec
Magnification Objective 8-40
Objective (mm) 56
Main Tube Diameter (mm) 36
Click Value (MIL) 0.1
Elevation (MIL) 28
Elevation (m/100m) 280cm / 100m
Elevation lock YES
Windage (MIL) 16
Windage lock YES
Field of View (ft/100yd) 13,8`- 3`
Eye Relief (inches) 3.54
Parallax Compensation (m) 10 - ∞
Length (inches) 17.32
Weight (oz) 40.56
Illumination red | green
Focal Plane FIRST
Lighttransmission (%) 92
Diopter -3 | +2
Exit Pupil (mm) 7 – 1.4
MOA Specs
Magnification Objective 8-40
Objective (mm) 56
Main Tube Diameter (mm) 36
Click Value MOA/100M 0.125
Elevation adjustment (MOA /100m) 57 MOA
Elevation lock NO
Windage adjustment (MOA /100m) 41 MOA
Windage lock YES
Field of View (ft/100yd) 13,8`- 3`
Eye Relief (inches) 3.54
Parallax Compensation (m) 10 - ∞
Length (inches) 17.32
Weight (oz) 40.56
Illumination red | green
Focal Plane FIRST
Lighttransmission (%) 92
Diopter -3 | +2
Exit Pupil (mm) 7 – 1.4
*Note, the ZC840 in MOA only comes with non locking elevation and windage
2 Reviews
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Top Tier Optics
I really couldn't be happier. I did a side-by-side comparison with my 7-35 ATACR looking at a milk jug 1750m away. The ATACR is great, but it was tough to make out the gap in the handle. With the ZC 840 that little gap was VERY clear and could even lay the center of the reticle right on it. This is a perfect fit for my 300 PRC.
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ZCO 8-40x56 scope
The finest rifle scope I’ve ever owned by far. The optics, construction, and features are without peer. It’s also the most handsome scope I’ve ever seen. It’s not a budget scope by any means but if you want the very best available, the price is understandable. You can’t do better than CSTactical to order this or any other quality optic from. They have good prices, excellent service, knowledge of the product, and are very helpful in answering any questions you may have. Their staff is top notch all the way.
