Zero Compromise 4-20x50 MIL TREMOR3™

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Zero Compromise 4-20x50 MIL TREMOR3™

The Zero Compromise Optic ZC420 is the ultimate solution for all your target engagement requirements. With a generous low end of 4X boasting a massive field of view of 28 feet, your close range needs are fulfilled. Topping out at 20X gives ample magnification for your long range target engagements out to and beyond 1000 yards. 


Optical performance is unmatched

ZCO's optical engineers have set the next standard for clarity, light transmission, and resolution in a compact package.  Performance like this has never been seen before in this magnification range and objective size.  Color rendition is natural with a slight enhancement in contrast for the finest view possible.  Total light transmission to the eye is 92% and the resolution is best in class. 


Mechanical construction perfected

When customers demand ultimate reliability, ZCO delivers the most robust construction techniques in the industry to deliver on this request. Mechanical engineers have designed some of the most well respected rifle scopes in the world, and have gone several steps further for increased durability, repeatability, and ruggedness.  Hardened steel components are used in high wear areas such as the internal click mechanisms for the elevation and windage turrets to ensure a lifetime of repeatable adjustment values.  Optical lenses are mechanically locked in place as well as bonded along the edges for total and complete structural integrity.


Unmatched reticle diversity

Their staff is highly involved in the shooting and hunting industry and have designed the very best reticles available.  New designs have been developed by ZCO to enhance reticle diversity and usability.  No matter your application, ZCO offers a reticle that will suite your needs perfectly.

Zero Compromise 4-20x50 MIL TREMOR3™ Specification

Magnification:  4x - 20x
Tube Diameter:  36mm
Reticle:  TREMOR3™
Objective Lens:  50mm
Eye Relief:  3.54 in
Focal Plane:   First
Field of View: 

@ 100 yards: 4x/28ft, 20x/6ft

Elevation Adjustment Range: 35 MRAD/120 MOA
Windage Adjustment Range: 20 MRAD/69 MOA
Travel Per Rotation: 15 MRAD/51 MOA
Click Value: 0.1 MRAD 
Reticle Illumination: YES
Turret: Locking Elevation, Windage
Parallax:  25 yards to infinity
Scope Weight:  34.8 oz.
Scope Length:  12.8 in



Zero Compromise 4-20x50 MIL TREMOR3™ Notes



Products are subject to either ITAR or EAR and cannot be exported or re-exported without proper export licensing from the government. For more information please reference our full ITAR / EAR NOTICE in the GEISSELE AUTOMATICS SHIPPING POLICY.

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