Which specific rifle models are compatible with the Lyman 57 WJS receiver sight?

The Lyman 57 WJS is engineered specifically for bolt-action rifles with rounded receivers, including the Remington 700, 721, 722, and 660, as well as the Winchester Model 70 and Model 54, and the Savage 110. It features a stock clearance design contoured to clear standard stocks without requiring wood inletting or receiver notching on these compatible firearms.

How do the micrometer adjustments perform in terms of precision for target shooting?

The sight utilizes positive 1/4 MOA audible micrometer click adjustments for both elevation and windage, allowing for extremely fine, repeatable calibration at the range. It also features coin-slotted "Stayset" flush-style adjustment knobs to prevent accidental zero shifts while moving through heavy Australian bush or during storage.

Is the Lyman 57 WJS legal for sale and use in Australia without special electrical or regulatory certifications?

Yes. As a fully mechanical and passive iron sight assembly requiring no electrical power, batteries, or mains operation, it is completely exempt from 240V or SAA/RCM electrical compliance. Sights are general firearm accessories and are unrestricted for sale across all Australian states and territories, though installation may require factory-drilled receiver holes or professional gunsmith tapping.

How does the aperture system perform in low-light conditions like early morning hunts in the bush?

The sight includes two interchangeable screw-in aperture discs: a small-diameter target aperture for precise daytime grouping and a large-diameter hunting aperture. The large aperture gathers extra light to aid target acquisition in lower-light brush conditions, though performance will still be limited by ambient light compared to illuminated optics.

Receiver Sight - Lyman LY-57WJS

The Lyman Receiver Sight 57 WJS (MPN: 3572088) is a fully mechanical, receiver-mounted aperture iron sight engineered for round-top bolt-action rifles. Constructed from precision-machined blued aluminium and steel components, it delivers 1/4 MOA audible micrometer click adjustments for both windage and elevation. Designed to fit factory drilled-and-tapped platforms including the Remington 700, 721, 722, and 660, Winchester Model 70 and Model 54, and Savage 110, this 4 oz sight provides a rugged aiming solution optimised for short-to-medium engagement distances between 50 and 200 metres.

Key Features

1/4 MOA Micrometer Adjustments: Features distinct, audible click adjustments for fine elevation and windage calibration.
Dual Aperture Discs: Includes two interchangeable screw-in discs—a small-diameter target aperture for precision and a large-diameter hunting aperture for rapid target acquisition.
Quick-Release Elevation Slide: Allows rapid removal of the elevation staff for rifle transport or cleaning, returning to zero when reinstalled.
Stayset Coin-Slotted Knobs: Flush-profile adjustment knobs prevent accidental zero shifts when navigating thick scrub or during storage.
Contoured WJS Base: Designed to clear standard bolt-action wooden or synthetic stocks without requiring stock inletting or receiver modifications on compatible models.

Specifications

Product Name: Lyman Receiver Sight 57 WJS
Manufacturer Part Number: 3572088 / LY-57WJS
Material: Blued aluminium base with steel adjustment components
Total Weight: 4 oz (~113.4 g)
Package Dimensions: Approximately 15 × 10 × 10 cm
Adjustment Value: 1/4 MOA per click (windage and elevation)
Power Requirement: 0W (passive, fully mechanical design)
Firearm Compatibility: Round-receiver bolt-action rifles (Remington 700 / 721 / 722 / 660, Winchester Model 70 / Model 54, Savage 110)
Recoil Rating: Standard centerfire calibres up to magnum cartridges (e.g., .223 Rem to .375 Rem Ultra Mag)

Who is the Lyman Receiver Sight 57 WJS for?

Traditional hunters using bolt-action rifles in heavy brush — adds only 4 oz to the firearm's total weight and features flush-fitting Stayset knobs to prevent accidental zero shifts while moving through dense cover.
Vintage and service rifle target shooters — delivers mechanical 1/4 MOA click adjustments for fine windage and elevation tracking on round-top bolt-action receivers without the need for optical magnification.
Metallic silhouette shooters — provides distinct 1/4 MOA elevation and windage repeatability and includes a swappable target aperture disc for precise sighting within 50 to 200 metres.

Less suitable for: Target engagement beyond 200 metres, where magnified optical rifle scopes are recommended, or rifles featuring flat-top receivers, lever-action tangs, and octagonal muzzleloader barrels, which require dedicated flat-base or tang-mounted receiver sights.

SKU	LY39896LP
Model #	LY-57WJS
Brand	Lyman
Shipping Weight	1.0000kg

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Lyman Ly-57wjs Receiver Sight Micrometer Click Blued

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