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. 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. For specific focus ranges please see specification under technical details. 

The Fast Focus Eyebell allows for quick and easy adjustments when in the field with diopter adjustment ranges from -2.0 to +1.0 settings.  This scope also 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 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.  All models are fogproof, shockproof and waterproof. 

• Covered Target Turrets
• Zact-7 Revcoat® Multicoating for excellent light transmission
• Exclusive ExacTrack Windage and Elevation adjustment system
• 30mm one-piece tube design for maximum durability
• Second Focal Plane MOA-3 Reticle design
• Lifetime Warranty

Part # 26013