The Sightron S-TAC Duplex Long Range Reticle Riflescope gives you enhanced viewing power for longer-distance shooting. A unique flip-up lever is built into the power ring for ease of adjustments on cold days, while a side focus parallax system provides quick target focus for hunting or a day at the range.

Fast Focus Eyebell 

The S-TAC’s Fast Focus Eyebell 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. This design makes the Sightron S-TAC Duplex incredibly easy to use in prone and bench shooting.

ExacTrack

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

The Sightron S-TAC Duplex scope features the ultimate in all-weather construction. It’s waterproof, nitrogen filled and provides a lifetime of internal fog protection for inclement weather.

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.

S-TAC One-Piece Main-Tube

All scopes in the S-TAC series feature a 30mm one-piece main-tube made from high quality aircraft aluminum. Tube thickness is more than twice as thick as one inch models to provide maximum rigidity. All models are fog-proof, shockproof and waterproof.