Sightron S-Tac 4-20×50 FFP Illuminated MRAD Zero Stop Rifle Scope
The Sightron S-Tac 4-20×50 is a first focal plane riflescope with an illuminated Mil-Hash 4 reticle calibrated in MRAD. The zero stop turret allows the shooter to return quickly to a known zero after dialling for elevation, with adjustments made in precise 0.1 MRAD clicks.
As an FFP scope, the reticle subtensions remain accurate across the full 4-20x magnification range, making it suitable for ranging and holdover at any zoom setting.
| Specification | Value |
|---|---|
| Magnification | 4-20x |
| Objective Lens Diameter | 50mm |
| Reticle Type | Mil-Hash 4 (MRAD) |
| Reticle Calibration | MRAD |
| Zero Stop Turret | Yes (0.1 MRAD clicks) |
| Focus Type | First Focal Plane (FFP) |
FAQ
What is the magnification range of the S-Tac 4-20×50 scope?
The magnification range is 4x to 20x.
Is the reticle calibrated in MRAD?
Yes, the reticle is illuminated and calibrated in MRAD.
Does the scope have a zero stop feature?
Yes, the zero stop turret allows quick return to a known zero after elevation adjustments, with precise 0.1 MRAD clicks.




Joanne Arnold –
The scope performs well across different magnifications. The MRAD reticle is easy to read and accurate. The zero stop feature saved me time during field shooting when I needed to return to a known zero quickly.
Amanda Mackenzie –
I appreciate the FFP design which keeps the reticle consistent at all zoom levels. The illuminated reticle helps in low light conditions. It’s a reliable tool for ranging and holdover.
Blake Burgess –
The precision of the 0.1 MRAD clicks is impressive. I used it in varied terrain and found the zero stop function very useful for quick adjustments between shots.