What rings do I need to mount the GPO Spectra 6x 4.5-27x50i FFP to my rifle?

This riflescope features a robust 34 mm main tube, so you will need heavy-duty 34 mm ring mounts to securely attach it to your firearm. To ensure proper clearance over your barrel, you can also pair your setup with compatible accessories from our range such as the GPO Spectra Dot High Mount or a 50mm sunshade.

Can I use this riflescope for close-range shots under 25 metres in the Australian bush?

The side focus parallax adjustment on the Spectra 6x operates reliably from 25 metres to infinity. For engagement distances or targets closer than 25 metres, such as tight brush shooting, this optic is not recommended, and a dedicated low-power variable optic or rimfire scope would be better suited.

How does the illumination system function and what battery does it require?

The scope utilizes an iCONTROL digital illumination system to power the reticle's micro-dot, featuring an auto-power-off function after periods of inactivity and a low-battery warning. It operates on a single standalone 3V CR2032 lithium coin battery, which is subject to standard Australian button cell safety packaging guidelines.

What is the total adjustment range and click value of the turrets on the RS672 model?

The GPO RS672 features lockable exposed target turrets with a counter-clockwise (CCW) rotation and a precise 0.1 mrad click value, which equals 1 cm of adjustment at 100 metres. It provides a generous total elevation and windage adjustment range of up to 32 mrad (320 cm at 100 m) with an integrated zero-stop.

Precision Riflescope - GPO RS672 Spectra

The GPO Spectra 6x 4.5–27x50i FFP CCW PLRi is a high-magnification first focal plane riflescope engineered for long-range precision shooting and hunting. Built on a robust 34 mm main tube, it combines DoubleHD 50 mm objective glass with GPObright multi-coatings to deliver 90–92% daylight light transmission. The optical system features a 6x zoom ratio spanning 4.5x to 27x magnification, paired with an illuminated mil-based PLRi reticle in the first focal plane to ensure consistent subtension values at every magnification level. Tactical lockable turrets operate with counter-clockwise rotation and feature an integrated zero-stop system with 0.1 mrad click adjustments across a generous 32 mrad total elevation and windage travel range.

Key Features

First Focal Plane PLRi Reticle: Keeps mil-radian holdover and windage markings proportionally accurate across the entire 4.5x to 27x magnification range.
iCONTROL Illumination: Powers a precise central micro-dot using a single CR2032 battery, featuring an automatic shut-off function to preserve battery life.
34 mm Main Tube Construction: Accommodates heavy-duty 34 mm ring mounts and provides up to 320 cm of adjustment travel at 100 m (32 mrad).
Lockable Zero-Stop Turrets: Exposed CCW tactical turrets provide tactile 0.1 mrad (1 cm at 100 m) clicks and a mechanical zero-stop to prevent dialing below your set zero.
Side-Focus Parallax: Smooth parallax adjustment dial corrects for optical error from 25 m to infinity.
Throw Lever Included: Removable zoom lever enables rapid magnification adjustments in changing field conditions.

Technical Specifications

Magnification: 4.5x – 27x
Objective Lens Diameter: 50 mm
Main Tube Diameter: 34 mm
Focal Plane: First Focal Plane (FFP)
Click Value: 0.1 mrad (1 cm at 100 m)
Total Adjustment Travel: 32 mrad (320 cm at 100 m)
Turret Rotation: Counter-Clockwise (CCW)
Parallax Adjustment: 25 m to infinity
Eye Relief: ~100 mm
Exit Pupil: 9.5 mm (at 4.5x) to 1.9 mm (at 27x)
Overall Length: 355–361.2 mm
Weight: 826–880 g
Power Source: 1x CR2032 3V Lithium coin battery

Who is the GPO Spectra 6x 4.5–27x50i FFP CCW PLRi for?

Precision rifle series competitors — requires the scope's 32 mrad total adjustment travel and 0.1 mrad click values for precise dialing and rapid holdover corrections at extreme distances.
Long-range game stalkers — relies on this first focal plane rifle scope's 4.5x to 27x magnification range and 50 mm objective lens to balance low-power target acquisition with detailed shot placement at distance.
Extreme-spread varmint hunters — benefits from the rifle scope's top-end 27x magnification and fine mil-based PLRi reticle to identify and engage small targets beyond standard shooting ranges.

Less suitable for: Close-range shooting disciplines or brush hunting where targets are engaged under 25 m; a dedicated short-range optic or a 1–6x low-power variable optic (LPVO) is better suited for targets inside this distance.

SKU	GPO40691LP
Model #	RS672
Brand	Gpo
Shipping Weight	1.0000kg

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Gpo Rs672 Spectra 6x 4.5-27x50i Riflescope Ffp Plri 34mm Tube

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