What is the minimum focus distance for the Hawke Sidewinder 30 SF 4-16x50, and can it be used for close-range air rifle shooting?

The scope features a side-focus parallax adjustment that goes down to 9 metres (10 yards) and extends to infinity. This makes it fully compatible with close-range rimfire and Field Target air rifle applications, though targets closer than 9 metres will require a dedicated close-range optic or red dot.

How do the resettable push-pull locking turrets assist with elevation dialling in the field?

The turrets offer 1/10 MRAD click values with a total elevation and windage adjustment range of 26 MRAD. They incorporate an elevation witness window that provides a quick visual cue of turret revolutions, ensuring you can easily keep track of your adjustments and avoid losing your zero during long-range engagements.

What heavy centrefire calibres is the 30mm mono-tube chassis rated to handle under outback hunting conditions?

Built on a shockproof, nitrogen-purged 30mm high-grade aluminium mono-tube, the Sidewinder is fully recoil-tested and rated to handle heavy centrefire calibres up to .338, as well as the harsh reverse recoil of spring-piston airguns. It is completely sealed and rated waterproof and fog-proof for reliable performance in harsh Australian bush environments.

What mounting hardware and accessories are included in the box for setup?

The optic comes ready for setup with a 4-inch clamp-on sidewheel for fine parallax focusing, a removable zoom throw lever, a 4-inch screw-in sunshade, bikini lens covers, adjustment tools, and a CR2032 battery for the multi-level illuminated SR Pro II reticle. It mounts easily using standard 30mm scope rings tailored to your firearm's dovetail or weaver/picatinny rail.

Hawke 17251 Scope - Hawke Sidewinder 4-16x50

The Hawke Sidewinder 30 SF 4-16x50 SR Pro II (Model 17251) is a second focal plane rifle scope engineered for medium-to-long-range precision shooting, varmint control, and air rifle target disciplines. Built on a 30 mm mono-tube machined from high-grade aluminium, it incorporates Hawke's H5 optical system with 18-layer fully multi-coated, low-dispersion crown glass to deliver a 24° ultra-wide field of view measuring 10.6 to 2.7 metres at 100 metres. Featuring side focus parallax adjustment down to 9 metres, resettable push-pull locking turrets with an elevation witness window, and the glass-etched SR Pro II reticle with 6 levels of red multi-LED illumination, this optic provides precise ballistic correction and optical clarity across both centrefire and high-recoil airgun platforms.

Key Features

H5 Optical System: Equipped with 18-layer fully multi-coated optics and high-grade low-dispersion crown glass, offering a 24° ultra-wide field of view and 102 mm of eye relief.
Push-Pull Locking Turrets: Features 1/10 MRAD click adjustments with a patented elevation witness window to eliminate lost turret revolution counts during long-range dialling.
SR Pro II Illuminated Reticle: Glass-etched second focal plane reticle calibrated at 8x magnification, featuring 1 MRAD segmented holdover lines and red multi-LED central illumination powered by a single CR2032 battery.
Side Focus Parallax Wheel: Fine focus and range estimation adjustable from 9 metres (10 yards) to infinity, supported by an included 4-inch (100 mm) clamp-on sidewheel.
Ruggedised Chassis: Nitrogen-purged, waterproof, and shockproof 30 mm mono-tube tested to withstand high-recoil centrefire calibres up to .338 as well as spring-piston airgun reverse recoil.
Included Accessories: Ships with a 4-inch screw-in sunshade, removable zoom throw lever, 100 mm sidewheel, bikini lens covers, CR2032 battery, and adjustment tools.

Technical Specifications

Magnification: 4–16x
Objective Lens Diameter: 50 mm
Chassis / Tube Diameter: 30 mm mono-tube
Reticle: SR Pro II (Second Focal Plane, calibrated at 8x)
Illumination: 6 brightness levels, Red LED (1x CR2032 battery)
Field of View: 10.6–2.7 m @ 100 m (31.8–8.1 ft @ 100 yds / 24°)
Eye Relief: 102 mm (4.0 in)
Adjustment Click Value: 1/10 MRAD (0.1 MIL)
Total Elevation & Windage Adjustment Range: 26 MRAD
Parallax Range: 9 m (10 yds) to infinity
Overall Length: 339 mm (13.3 in)
Weight: 725 g (25.6 oz)
Mounting Compatibility: Standard 30 mm rings (Picatinny, Weaver, or Dovetail)

Who is the Hawke Sidewinder 30 SF 4-16x50 for?

Varmint and pest control shooters — Requires the 4-16x variable magnification and a generous 50 mm objective lens to quickly identify small targets in low light and calculate bullet drop holdovers out to extended hunting ranges with this SFP long-range rifle scope.
Field Target air rifle competitors — Benefits from the side focus parallax mechanism adjusting down to 9 m and the 725 g chassis that handles bidirectional spring recoil while facilitating precise optical range-finding using the included 100 mm sidewheel.
Medium-to-long-range precision shooters — Utilises the 26 MRAD total elevation and windage adjustment range alongside 1/10 MRAD push-pull locking turrets and an elevation witness window for repeatable, zero-loss dialling on target ranges.

Less suitable for: Close-quarters engagements inside 9 m, which require a dedicated close-range optic or red dot, or ultralight alpine and backcountry stalking where dedicated hunting scopes weighing under 500 g are better suited.

SKU	HWK39734LP
Model #	17251
Brand	Hawke
Shipping Weight	1.0000kg

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Hawke Sidewinder 17251 Rifle Scope 4-16x50 30mm Sr Pro Ii

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