Does the Hawke Airmax 4-12x50AO require any electrical certification or battery compliance for sale in Australia?

No. The Hawke Airmax 4-12x50AO (Model 13140) is a purely mechanical and optical riflescope featuring a non-illuminated etched glass reticle. Because it contains no electrical components or illumination systems, it does not require 240V mains power, batteries, or SAA/RCM electrical safety certification for use in Australia.

How close can I focus and correct parallax with the adjustable objective on the Model 13140?

The adjustable objective (AO) ring allows you to correct parallax and achieve a sharp focus from a minimum distance of 9 metres (10 yards) all the way out to infinity. This makes it exceptionally well-suited for close-range pest control and air rifle field target disciplines, though ultra-close engagements under 9 metres will require a dedicated short-parallax scope.

Can this riflescope withstand the harsh bi-directional recoil of heavy spring-piston air rifles?

Yes. Engineered specifically to endure the unique and punishing dual-recoil forces generated by spring-piston and gas-ram air rifles, the 1-inch mono-tube chassis is fully nitrogen-purged to ensure shockproof, waterproof, and fog-proof performance in variable Australian field conditions.

What kind of drop-compensation markings does the AMX reticle provide for pellet and rimfire shooting?

The glass-etched Second Focal Plane AMX reticle is based on a 10x Mil-Dot spacing design, featuring half-mil spaced holdover points and distinctive horizontal bars spaced between 0.5 and 4.5 mils. These markings are meticulously calibrated to help you calculate complex trajectory drop for air rifle pellets and rimfire bullets without manual turret adjustments.

Air Rifle Scope - Hawke Airmax 13140

The Hawke Airmax 4-12x50 AO (Model 13140) is a dedicated optical system engineered for air rifles and rimfire platforms. Built on a 1-inch mono-tube aluminium chassis, it combines a 4-12x magnification range with a large 50 mm objective lens treated with 16-layer fully multi-coated optics. The scope is specifically rated to endure harsh bi-directional recoil from spring-piston air rifles while providing nitrogen-purged waterproof and fog-proof performance.

Key Features

Adjustable Objective (AO): Integrated front parallax collar focuses sharply from 9 metres (10 yards) out to infinity.
Glass-Etched AMX Reticle: Second focal plane reticle calibrated at 10x magnification with half-mil spaced holdovers and horizontal bars tailored for pellet drop compensation.
Low-Profile Turrets: Capped, resettable adjustments delivering 1/4 MOA per click with 70 MOA total elevation and windage travel.
Passive Optical Design: Reliable non-illuminated etched glass system requiring no batteries or electrical power.

Technical Specifications

Magnification: 4–12x
Objective Lens Diameter: 50 mm
Tube Diameter: 1-inch (25.4 mm) mono-tube
Parallax Range: 9 m (10 yds) to infinity
Field of View: 10.0 m – 3.7 m at 100 m (29.9 – 11.0 ft at 100 yds)
Eye Relief: 90 mm (3.5 in)
Exit Pupil: 12.5 mm – 4.2 mm
Adjustment Click Value: 1/4 MOA
Total Adjustment Range: 70 MOA elevation and windage
Length: 329 mm (13.0 in)
Weight: 620 g (21.9 oz)
Optical Coating: Fully Multi-Coated (16 Layers)

Who is the Hawke Airmax 4-12x50 AO for?

Field target and hunter field target air rifle competitors — Benefits from an adjustable objective that corrects parallax down to 9 m (10 yds) and a glass-etched AMX reticle featuring 0.5-mil holdover marks for precise trajectory compensation.
Pest control shooters targeting rabbits and rodents — Relies on a 50 mm objective lens with 16-layer fully multi-coated optics for improved light gathering during low-light dawn and dusk sessions, paired with 4-12x magnification for positive target identification.
Rimfire target plinkers — Utilises 70 MOA of total elevation and windage travel with 1/4 MOA click adjustments on a 620 g (21.9 oz) 1-inch chassis to hold consistent zero across varied shooting distances.

Less suitable for: Ultra-close pest control under 9 metres, which requires a specialised close-focus bug-buster scope; pitch-black night shooting without supplementary lighting, which requires an illuminated reticle optic; extended long-range target shooting beyond 300 to 400 metres, which requires higher magnification optics with 100+ MOA of travel; or ultra-lightweight walk-around stalks where a compact 32 mm or 40 mm objective scope is preferred.

SKU	HWK39698LP
Model #	13140
Brand	Hawke
Shipping Weight	1.0000kg

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Hawke Airmax 13140 Riflescope 4-12x50 Ao Amx Reticle

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