The Hawke Airmax 4-12x40 AO (Model 13130) is a specialised optical riflescope engineered for air rifles and rimfire platforms. Built around a 1-inch (25.4 mm) mono-tube chassis, it features Hawke's System H2 16-layer fully multi-coated optical system and a glass-etched AMX reticle situated on the second focal plane. The glass-etched reticle and internal bracing provide robust recoil resistance against the bi-directional double-recoil generated by spring-piston and gas-ram airguns. With an adjustable objective focusing from 10 yards to infinity, it delivers clear target acquisition across close-to-medium shooting distances.

Key Features

• AMX Reticle System: Based on 10x Mil-Dot spacing with half-mil markings on the lower post and horizontal stadia bars (spaced at 0.5, 1.5, 2.5, 3.5, and 4.5 mil) to assist holdover estimation on loopy airgun ballistic curves.
• Adjustable Objective (AO): Front objective parallax focus adjustable from 10 yards (9 metres) out to infinity (∞) for parallax-free targeting at typical airgun ranges.
• Durable 1-Inch Chassis: Nitrogen-purged, O-ring sealed, 100% waterproof, fog-proof, and shockproof mono-tube rated for all calibres.
• Capped Low-Profile Turrets: 1/4 MOA fingertip adjustments with 80 MOA of total elevation and windage travel for set-and-forget zeroing.

Specifications

• Magnification: 4–12x
• Objective Lens Diameter: 40 mm
• Tube Diameter: 1-inch (25.4 mm) mono-tube
• Reticle: Glass-etched AMX (Non-illuminated, SFP)
• Parallax Focus: 10 yards (9 m) to infinity
• Eye Relief: 90 mm (3.5 inches)
• Field of View: 10.0–3.7 m @ 100 m (29.9–11.0 ft @ 100 yds)
• Exit Pupil: 10.0 mm – 3.3 mm
• Click Value: 1/4 MOA
• Total Adjustment Range: 80 MOA (Elevation & Windage)
• Length: 327 mm (12.9 inches)
• Weight: 522 g (18.4 oz)

Who is the Hawke Airmax 4-12x40 AO for?

• Airgun pest controllers — requires the 10 yards minimum parallax adjustment and half-mil AMX reticle spacing on this airgun riflescope to correct for curved pellet trajectories when targeting vermin like rabbits and rats at varied garden ranges.
• Backyard plinkers — benefits from the double-recoil-resistant internal construction and 1-inch mono-tube chassis of this riflescope, which withstands the harsh bi-directional shock of spring-piston and gas-ram air rifles.
• Rimfire small-game hunters — utilizes the 4-12x magnification range and 40 mm objective lens diameter on this rimfire-compatible optic for positive identification and precise shot placement on .22 LR or .17 HMR small game out to 100 metres.

Less suitable for: Extreme close-quarters pest control under 10 yards (where a dedicated close-focus optic focusing from 3 to 6 yards or a red dot is required), long-range pest shooting beyond 100 metres in low light (which is better served by a 30 mm tube scope featuring a 50 mm objective and illuminated reticle), or shooters requiring active target dialing (who require exposed tactical turrets rather than capped low-profile turrets).