Sightron S-Tac 2.5-17.5×56 Illuminated 4A Riflescope

£795.00 (ex. VAT: £662.50)


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The Sightron S-Tac 2.5-17.5x56 Illuminated 4A riflescope is perfect for a whole array of rifles whether you're placing it on your Ar, Bolt action, rimfire or even your air rifle, this scope has the capabilities to excel.  The Sightron S-Tac 2.5-17.5x56 Illuminated 4A is ideal for rimfires & air rifles as it has side parallax adjustment down to 10 yards right out to infinity, with this feature this scope is also great for partnering night vision devices whether they are front or rear add on's (works brilliantly with WARD rear add on).

The Sightron S-Tac 2.5-17.5x56 Illuminated 4A features under capped turrets that are in 0.25 MOA adjustments which ensure the shooter the turrets are not knocked during transportation or during hikes around fields.  These oversized turrets are also equipped with Sightron's unique ExacTrack system which offer supreme precision and performance.  The Sightron S-Tac 2.5-17.5x56 is truly a tactical scope with 80 MOA of internal adjustment & a maximum magnification of 17.5x allows the shooter to crank up the mag and get out to 600 yards without a problem.

The Sightron S-Tac 2.5-17.5x56 Illuminated 4A features the brand new ZACT-7 Revcoat Multi Coating system which is a 7 layer system with precision ground glass unique to the Sightron S-Tac 2.5-17.5x56 this provides superior light transmission and resolution for the ultimate in performance.

NB:  For Night Vision Rear add ons - Illumination turret to end of eyepiece measures 310mm in length

Fast Focus Eyebell

Featured with all SIII Series Riflescopes.  Allows for quick and easy adjustments when in the field.  Diopter adjustment ranges from -2.0 to +1.0 settings.

Side Focus System

Side Parallax focus is available on all SIIB SS models and SIII SS LR Series Riflescopes. Designed for ease of use in prone and bench shooting, the side focus will focus from 10 yards to infinity, depending on the specific model.


This scope features Sightron's unique ExacTrack windage and elevation adjustment system.  No other system on the market comes close to the precision and performance of ExacTrack.

All Weather Construction

This scope features the ultimate in all weather construction.  They are waterproof, nitrogen filled and provide a lifetime of internal fog protection for inclement weather.

Low Profile Under Capped Turrets 0.25 MOA

7Under Capped Style Turrets that are offered in 0.25 MOA adjustments

ZACT-7 Revcoat Multi-Coating (S-TAC Series)

All Sightron S-TAC 30mm Series Riflescopes feature ZACT-7 seven layer multi-coating with precision ground glass.  These lenses provide superior light transmission and resolution for the ultimate in performance.

Lifetime Warranty

We are so confident in the quality of our products that Sightron offers a Lifetime Warranty



  • Magnification: 2.5-17.5x
  • Object Diameter (mm): 56
  • FOV (ft@100yd): 41.9-61
  • Eye Relief (in): 3.5-3.7
  • Reticle Type: 4A (IR)
  • Click Value (@100yd): 1/4 MOA
  • Minutes Per Revolution: 15 MOA
  • W/E Travel (@100yd): 40/80 MOA
  • Knob Style: Low Profile (Resettable)
  • Focus Type: Side Focus
  • Parallax Range: 10 yards to infinity
  • Finish: Matte Black
  • Waterproof: Yes
  • Fully Multi-Coated: Yes (Zact-7 TM 7-Layer)
  • Weight (oz): 30.6
  • Length (in): 14.5
  • Tube Diameter (mm): 30
  • Sunshade Included: No
  • Illuminated Reticle: Yes


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