How does the fixed 100-yard parallax on the GPO Passion 4x 3-12x56 affect close-range and long-range shooting?

The riflescope features a fixed parallax set at 100 yards, which is optimized for typical hunting scenarios between 30 and 400 metres. While it delivers exceptional clarity for mid-range game harvesting, precision shooters looking to engage targets beyond 400 metres or at very close ranges under 30 metres will find an adjustable side-focus model more suitable.

Is the GPO Passion 4x 3-12x56 suitable for low-light spotlighting and dawn or dusk deer stalking?

Yes, this model is specifically engineered for low-light conditions with a massive 56 mm objective lens and GPObright high-transmission multi-coatings achieving over 90% light transmission. The optical design produces an exit pupil ranging from 18.7 mm down to 4.7 mm, matching the human eye's dilated capacity in failing light for maximum brightness during dawn, dusk, or moonlit spotlighting.

What scope rings or mounts do I need to attach this 30 mm tube riflescope to my centrefire rifle?

The GPO Passion 4x 3-12x56 requires standard 30 mm scope rings or a one-piece mount for attachment. Due to the large 56 mm objective bell, you will typically need medium-to-high ring heights to ensure proper clearance over your rifle barrel.

Does this non-illuminated G4 reticle model require any electrical safety compliance or Australian mains certifications?

No, because the R400 variant features a purely mechanical, non-illuminated German #4 reticle without battery-powered illumination, electrical and mains compliance requirements such as SAA or RCM certifications and 240V plug standards are entirely not applicable.

Hunting Riflescope - GPO Passion 4X R400

The GPO PASSION 4X 3-12x56 Riflescope is a specialized low-light hunting optic engineered to maximize optical clarity and brightness during dawn, dusk, and spotlighting operations. Built around a 30 mm aircraft-grade aluminum/magnesium maintube, it pairs Double HD extra-low dispersion glass with proprietary GPObright multi-coatings to achieve over 90% light transmission. Featuring a non-illuminated German #4 (G4) second focal plane reticle, capped 0.1 mrad turrets, and hydrophobic PASSIONdrop lens coatings, it delivers clear target acquisition across Australian bush, forest, and agricultural terrain.

Key Features

High-Transmission Optics: Double HD glass and GPObright coatings deliver over 90% light transmission through a massive 56 mm objective lens.
Second Focal Plane G4 Reticle: Classic non-illuminated German #4 reticle maintains constant sub-tension sizing across the entire 3–12x magnification range.
Durable 30 mm Main Tube: Machined from solid aluminum/magnesium alloy, nitrogen-purged for full waterproof and fogproof performance.
Precise Capped Turrets: Provides 0.1 mrad (1 cm at 100 m) click adjustments with 52 MOA total elevation and windage adjustment range.
Protective Lens Coating: PASSIONdrop hydrophobic external coating repels water, dirt, and oil in harsh field environments.

Product Specifications

Magnification: 3–12x (4x optical zoom)
Objective Lens Diameter: 56 mm
Main Tube Diameter: 30 mm
Focal Plane: Second Focal Plane (SFP)
Reticle: Non-Illuminated G4 (German #4)
Exit Pupil: 18.7 mm (at 3x) to 4.7 mm (at 12x)
Eye Relief: 90 mm (3.5 inches)
Field of View at 100 m: 12 m to 4.6 m (37 ft – 14 ft at 100 yards)
Click Value: 0.1 mrad / 1 cm at 100 m (0.33 MOA)
Total Adjustment Range: 52 MOA (approx. 14.5 MRAD)
Parallax: Fixed at 100 m (100 yards)
Length: 340 mm (13.4 inches)
Weight: 640 g (22.6 oz)
Mounting Compatibility: Standard 30 mm rings or one-piece mounts

Who is the GPO PASSION 4X 3-12x56 for?

Dawn and dusk forest deer stalkers — relies on the 56 mm objective lens delivering an 18.7 mm to 4.7 mm exit pupil beam to gather maximum ambient light in deep timber during low-light feeding periods.
Spotlighting and stand hunters using medium-to-large centrefire rifles — utilizes the 3-12x optical zoom and rigid 30 mm main tube diameter to provide stable, recoil-resistant shot placement from 30 to 400 metres on stationary game.

Less suitable for: Long-range target shooting beyond 400 metres or close-range shooting under 30 metres due to the fixed 100-yard parallax setting (requiring an optic with adjustable side-focus parallax), as well as ultra-lightweight mountain stalking where a smaller 40–44 mm bell scope is better suited for weight reduction.

SKU	GPO40666LP
Model #	R400
Brand	Gpo
Shipping Weight	1.0000kg

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Gpo Passion 4x R400 Riflescope 3-12x56 G4 Reticle

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