Description
The ZeroTech Thrive HD 3-18×56 R3 (model TH3186R3) is a 30mm-tube second focal plane rifle scope built for backcountry big-game hunting, long-range and precision shooting, and low-light or twilight use. It offers 3-18x magnification, a 56mm objective, 92% light transmission, capped turrets with 0.25 MOA clicks and 90 MOA of elevation and windage travel, and a glass-etched R3 reticle with 1 MOA dot subtensions and 4 MOA hash marks. Weight is 780 g and the scope is IPX7 waterproof.
- 3-18x magnification, 56mm objective, 30mm 6061-T6 aluminium maintube
- Second focal plane (SFP) R3 reticle: floating centre dot, 1 MOA dot subtensions, 4 MOA hash marks, heavy bars at 3, 6, 9 and 12 o’clock; reticle calibrated at 18x
- Capped turrets, 0.25 MOA per click, 90 MOA elevation and 90 MOA windage travel
- 92% light transmission with fully multi-coated HD glass and Weathershield lens coating
- Side parallax adjustment from 10 m to infinity; locking diopter
- Eye relief 91-100 mm; field of view 11.1 m to 1.9 m at 100 m; exit pupil 9.5-3.1 mm
- IPX7 waterproof; weight 780 g
- Supplied with heavy-duty alloy flip-up lens covers, cover locking ring tool, reticle range chart, manual and microfibre cloth
FAQ
Is the Thrive HD 3-18×56 R3 first or second focal plane? Second focal plane. The R3 reticle subtensions are correct at 18x magnification.
Does the R3 model have an illuminated reticle? No. The illuminated option in this scope body is the PHR II IR version (TH3186P-IR); the R3 is a non-illuminated glass-etched MOA reticle.
What rings does it need? 30mm rings. Objective outer diameter is 63.5 mm, so choose ring height to clear your barrel and rail.





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