
NIKKO STIRLING MOUNTMASTER AO 3-9X40 (INC. RINGS)
NIKKO STIRLINGNIKKO STIRLING MOUNTMASTER AO 3-9X40 (INCLUDES RINGS) – SKU: NMM39AO
A practical and popular choice among Australian shooters, the Nikko Stirling Mountmaster AO 3-9x40 offers reliable optical performance in a lightweight, affordable package. With adjustable parallax via the front objective (AO) and a versatile 3-9x magnification range, it suits rimfire and centrefire platforms alike for small game, target shooting, and general-purpose use.
The clear duplex reticle, fully coated optics, and consistent eye relief contribute to fast target acquisition and consistent accuracy. It comes factory-fitted with 3/8" dovetail rimfire rings, making it ideal for rimfire rifles or air rifles out of the box. Rugged and nitrogen-purged for water and fog resistance, this scope has been tested to withstand recoil and the harsh realities of field use.
Backed by decades of development since 1956, Nikko Stirling remains a trusted brand for hunters and sport shooters seeking dependable optics without unnecessary complexity.
Specifications:
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Magnification: 3–9x
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Objective lens diameter: 40 mm
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Reticle: Duplex
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Parallax: Adjustable Objective (AO) – from 10 yards to infinity
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Tube diameter: 1"
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Click value: 1/4 MOA
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Eye relief: Approx. 76 mm
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Field of view @100m: 12.7 – 4.1 m
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Length: 312 mm
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Weight: 395 g
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Mounts: Includes 3/8" dovetail rimfire rings
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Waterproof, fogproof, and shockproof
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Country of origin: Philippines