Fast Focus EyebellFeatured 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 SystemSide 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.
ExacTrackThis 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.
Tactical Turrets 0.1 MRAD
Exposed Large Tactical Style Turrets that are Offered in 0.1 MRAD adjustments. Torx 20 set screw positioned on top of turret allows for quick and easy adjustment when resetting back to zero.
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 fogproof, shockproof and waterproof.
Lifetime WarrantyWe are so confident in the quality of our products that Sightron offers a Lifetime Warranty.
Model Name: S-TAC2.5-17.5X56IRMH
Magnification: 2.5-17.5X
Object Diameter (mm): 56
Fov (ft@100 Yds.): 41.9-6.1
Eye Relief (in.): 3.5-3.7
Reticle Type: Mil-Hash (IR)
Click Value (@100 Yds.):: .1 MRAD
Minutes Per Revolution: 5 MRAD
W/E Travel (@100 Yds.): 11.6/23.2 MRAD
Knob Style: Tactical (Resettable)
Parallax: Side Focus
: 10yds 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: 30 mm
Sunshade Included: No
Illuminated Reticle: Yes