What rings or mounts do I need to attach the GPO Spectra 6x 2-12x50i to my rifle?

This riflescope features a standard 30 mm main tube diameter, so it requires any quality 30 mm scope rings or one-piece mounts matched to your rifle's receiver. For optimal clearance with the 50 mm objective lens on medium or standard barrels, medium-height rings are typically recommended. If you plan to attach a high-profile mounting setup, the GPO Spectra Dot High Mount is also available in our range to suit compatible configurations.

How does the fixed 100-metre parallax affect performance in the field?

The Spectra 6x 2-12x50i is built with a factory-fixed parallax set at 100 metres, making it exceptionally fast to shoulder and shoot without needing manual parallax adjustments during sudden encounters. It is optimized for standard field hunting inside 50 metres out to 300 to 400 metres. However, dedicated extreme close-up rimfire shooting under 30 metres or extreme long-range precision shooting beyond 600 metres will require alternative models with adjustable side parallax.

How does the iControl illumination system preserve battery life during multi-day hunts?

The G4i illuminated reticle is powered by a standard 3V CR2032 coin battery and incorporates GPO's iControl auto-shutoff tilt-sensor technology. The system automatically powers down the illumination module if the optic is left motionless for a prolonged period or tilted past certain angles, ensuring your battery isn't accidentally drained when carrying your rifle across the Australian outback. It also features low-battery warning indicators so you are never caught out in low-light conditions.

Does this optic require any special electrical certifications or 240V power adapters under Australian regulations?

No. The GPO Spectra 6x 2-12x50i is an unpowered optical riflescope that relies entirely on internal low-voltage illumination driven by a standard consumer 3V CR2032 button battery. It does not connect to mains electricity, meaning it requires no 240V power plugs, hardwiring, or SAA/RCM high-voltage safety certifications for use in Australia.

Hunting Riflescope - GPO SPECTRA RS650

The GPO SPECTRA 6x 2-12x50i is a variable power hunting riflescope engineered for versatile medium-to-long-range targeting and low-light field use. Built on a one-piece 30 mm aircraft-grade aluminium main tube, this optic combines a 6x zoom range with Double HD objective lenses and GPObright coatings delivering 92% light transmission. Target acquisition is managed via a Second Focal Plane G4i reticle featuring a continuously variable illuminated red micro-dot powered by a 3V CR2032 battery with iControl tilt-sensing auto-shutoff. Tool-free PASSIONtrac zero-resettable capped turrets provide precise 0.1 MRAD adjustments with 400 cm of total elevation and windage travel at 100 metres.

Key Features

Optical System: 2x to 12x magnification with a 50 mm objective lens, PASSIONdrop hydrophobic coatings, and Double HD glass.
Illuminated Reticle: Second Focal Plane G4i reticle with an illuminated centre dot and iControl automatic angle-sensing battery management.
Precision Turrets: Capped, tool-free zero-resettable PASSIONtrac turrets with 0.1 MRAD (1 cm at 100 m) click values and 40 MRAD total adjustment range.
Field Handling: Fixed 100-metre parallax, 100 mm eye relief, and a generous 9.5 mm to 4.2 mm exit pupil.
Weatherproof Construction: Nitrogen-purged, O-ring sealed, waterproof, and fogproof housing weighing 593 g with an overall length of 336 mm.

Product Specifications

Magnification: 2x – 12x
Objective Lens Diameter: 50 mm
Main Tube Diameter: 30 mm
Focal Plane: Second Focal Plane (SFP)
Reticle: G4i illuminated micro-dot
Field of View: 21 m – 3.5 m at 100 m
Eye Relief: 100 mm (approx. 4.0 inches)
Exit Pupil: 9.5 mm to 4.2 mm
Click Value: 0.1 MRAD (1 cm at 100 m)
Total Adjustment Range (Elevation & Windage): 400 cm at 100 m (40 MRAD)
Parallax: Fixed at 100 m
Power Source: 1x CR2032 3V button battery
Length: 336 mm
Weight: 593 g (20.9 oz)
Mounting Compatibility: Standard 30 mm scope rings

Who is the GPO SPECTRA 6x 2-12x50i for?

All-round and twilight big game hunters — requires a 50 mm objective lens and 92% light transmission to maximize target clarity during dusk and dawn, paired with a moderate 593 g carry weight for mobile field stalking.
Driven game hunters using dense bush terrain — relies on the low-end 2x magnification setting of this riflescope to maintain a wide 21 m field of view at 100 m for tracking rapid target movement in tight cover.
Medium-to-long-range small game and varmint hunters — utilizes the upper 12x magnification setting and precise 0.1 MRAD turret adjustments across a 30 mm main tube to engage smaller targets at extended distances.

Less suitable for: Dedicated extreme-long-range precision shooters engaging targets beyond 600–800 metres who require first-focal-plane reticles and adjustable side parallax, or extreme close-up rimfire and airgun shooters operating inside 30 metres; these users are better served by dedicated high-magnification precision riflescopes with side-focus parallax adjustment.

SKU	GPO40687LP
Model #	RS650
Brand	Gpo
Shipping Weight	1.0000kg

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Gpo Spectra Rs650 Riflescope 2-12x50i 30mm Tube G4i Reticle

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