What kind of mounting rings are required for the Sightron S6 5-30x56mm riflescope?

This riflescope features a robust 34 mm main tube and a large 56 mm objective lens. To ensure proper clearance over your rifle's barrel contour and picatinny rail, you will need to pair it with 34 mm scope mounting rings, typically in a medium or high profile depending on your specific firearm setup.

How does the side focus parallax perform at extreme distances for precision target shooting?

The side focus parallax on the Sightron S6 adjusts smoothly from a remarkably close 10 yards (9.14 m) all the way out to infinity. This versatile operating range allows you to use the scope effectively on precision rimfire setups at short distances as well as extreme long-range target engagements past 1,000 metres.

Does the illumination system require any special electrical compliance or power adapters for Australia?

No special electrical compliance or AC power adapters are needed. The 11-position reticle illumination is simply powered by a standard CR2032 3V coin cell battery, meaning it is entirely exempt from 240V mains power and SAA or RCM safety certification requirements.

Long Range Riflescope - Sightron SI-66004

Q: Is this riflescope suitable for dynamic backcountry hunting or lightweight stalking in the Australian bush?

Weighing 33.3 oz (944 g) and measuring 16.7 inches long, this optic is engineered primarily as a heavy-duty, static positional or bipod-supported long-range precision instrument. While it handles recoil up to 1,000 G, reviewers generally recommend transitioning to a lighter optic under 600 g if your style of hunting involves extensive daily stalking where overall rifle weight must be strictly minimised.

The Sightron Svi Series (S6) 5-30x56mm Riflescope is a high-magnification optic engineered for extreme-distance accuracy, target identification, and repeatable tracking. Built around a 34 mm one-piece aircraft-grade aluminium main tube, this first focal plane (FFP) riflescope combines Japanese Extra-Low Dispersion (ED) glass with Zact-7 Revcoat Plus fully multi-coated surfaces to minimise chromatic aberration. It features Sightron's patented ExacTrack erector system to prevent point-of-impact drift during turret adjustments, an integrated tactile mechanical Zero Stop, and an etched-glass illuminated MOA-8 reticle powered by a standard CR2032 battery.

Key Features

First Focal Plane MOA-8 Reticle: Reticle sub-tensions remain true across the entire 5x to 30x magnification range, paired with 11-position illumination.
Precision Erector System: Uses the patented ExacTrack erector system providing 1/4 MOA click values and 20 MOA per revolution.
Expansive Adjustment Window: 34 mm tube provides 80 MOA of total elevation travel and 60 MOA of total windage travel.
Side Parallax Focus: Adjusts parallax focus from 10 yards (9.14 m) out to infinity, making it adaptable from close-range precision rimfire to extreme-spread centerfire shooting.
Ruggedised Housing: Certified IPX7 waterproof (submersible to 1 metre for 30 minutes), nitrogen-purged for fog resistance, and shock-tested to withstand 1,000 G of impact.

Technical Specifications

Magnification: 5x to 30x
Objective Lens Diameter: 56 mm
Main Tube Diameter: 34 mm
Reticle: Illuminated MOA-8 (First Focal Plane)
Click Value: 1/4 MOA
Total Adjustment Travel: 80 MOA Elevation / 60 MOA Windage
Field of View at 100 Yards: 22.7 ft (at 5x) to 3.8 ft (at 30x)
Eye Relief: 3.4 to 3.6 inches (86.4 to 91.4 mm)
Parallax Range: 10 yards to infinity
Overall Length: 16.7 inches (424.2 mm)
Total Weight: 33.3 oz (944 g)
Power Supply: 1 x CR2032 3V coin cell

Who is the Sightron Svi Series 5-30x56mm Riflescope With First Focal, Ed Glass, Zero Stop, Illuminated Moa-8 Reticle, 34mm Tube for?

Long-range precision rifle competitors (PRS/NRL) — requires 80 MOA of total elevation travel and 60 MOA of windage within a rigid 34 mm tube to dial long-distance target transitions without running out of internal travel.
F-Class and benchrest target shooters — benefits from 5x to 30x magnification paired with a 56 mm objective lens and Japanese ED glass to resolve tight target rings and subtle mirage shifts downrange.
Long-range varmint and big game hunters — leverages a 10-yard-to-infinity parallax adjustment range and a 33.3 oz (944 g) platform for stable, bipod-supported shooting when engaging targets across extreme distances.

Less suitable for: Dynamic backcountry hunting or lightweight stalking where overall rifle weight must be strictly minimised; users in these conditions should transition to a lightweight hunting optic weighing under 600 g with a 1-inch or 30 mm main tube.

SKU	SIT42363LP
Model #	SI-66004
Brand	Sightron
Shipping Weight	1.0000kg

What our Customers are Saying

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Sightron S6 Si-66004 Riflescope 5-30x56 Ffp Ed Moa-8

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