Will the Lyman 66A fit my modern Winchester 94 Angle Eject rifle?

No, this specific model is engineered exclusively for flat-sided Winchester 94 pre-angle eject top-eject models. It will not fit modern Angle Eject configurations or round receivers without modification. Please verify your receiver type before purchasing.

Do I need to drill and tap my vintage pre-1952 Winchester 94 to install this sight?

Winchester 94 carbines manufactured between 1952 and approximately 1982 generally come factory drilled and tapped on the left side of the receiver specifically for this sight. However, rifles produced prior to 1952 that lack these factory holes will require custom gunsmith drilling and tapping for secure installation.

How do the micrometer adjustments perform for target and brush shooting in the field?

The sight features precise 1/4 MOA micrometer click adjustments for both windage and elevation, allowing for fine-tuned calibration out to traditional lever-action ranges of 150 to 200 metres. Weighing just 113 g, it also includes a quick-release slide and two interchangeable aperture discs—a large hunting aperture for rapid sight pictures and a smaller target disc for accuracy.

Are there any Australian electrical or regulatory compliance requirements for this sight?

No, as an entirely mechanical metallic firearm accessory, the Lyman 66A requires no mains power, electrical testing, or SAA and RCM certifications. It is built entirely from durable aluminum alloy and steel to withstand rugged Australian bush and outback hunting conditions.

Receiver Peep Sight - Lyman LY-66A

The Lyman Receiver Sight Win 94 Pre Angle Eject (MPN: LY-66A / 3662214) is a fully mechanical receiver peep sight engineered specifically for flat-sided Winchester Model 1894 / 94 top-eject rifles. Designed to replace factory buckhorn rear sights, it mounts directly to the side of the receiver to elongate the rifle's sighting radius. Machined from aluminum alloy with an anodised black finish, this non-powered sight allows the shooter's eye to naturally centre the front post within the circular aperture for faster, more precise sight alignment.

Key Features

Micrometer Adjustments: Offers 1/4 MOA click adjustments for both windage and elevation with coin-slotted "stayset" locking knobs and a 45-point elevation scale.
Quick-Release Slide: Push-button removal system allows the aperture slide assembly to be detached for transport or storage without losing zero settings.
Dual Aperture Discs: Includes a wide hunting disc for fast target acquisition in brush and a smaller target aperture disc for fine accuracy, both built around a 5/8" knurled disc diameter.
Lightweight Mechanical Build: Weighs approximately 113 g, adding no perceptible bulk to vintage lever-action rifles.
Factory-Drill Compatibility: Directly fits the left-side factory-drilled and tapped holes found on standard pre-angle eject Winchester 94 carbines made between 1952 and 1982.

Product Specifications

Category: Receiver peep sight
Model Code / MPN: LY-66A / 3662214
Compatible Firearm: Winchester Model 94 / 1894 (Flat-sided, Pre-Angle Eject / Top-Eject)
Adjustment Value: 1/4 MOA per click (windage and elevation)
Aperture Disc Diameter: 5/8" knurled outer profile
Elevation Scale: 45-point graduated scale
Construction: Precision-machined aluminum alloy body, steel hardware
Weight: Approximately 113 g (4 oz)
Power Requirements: None (fully mechanical)
Included Accessories: Mounting screws, large hunting aperture disc, small target aperture disc

Who is the Lyman Receiver Sight Win 94 Pre Angle Eject for?

Winchester 94 top-eject timber and brush hunters — who need an ultra-lightweight 113 g receiver peep sight that improves target acquisition speed in thick cover using a 5/8" knurled disc diameter aperture while preserving factory balance.
Classic lever-action target shooters — who require repeatable zeroing and fine sighting adjustments, delivered by this receiver peep sight's 1/4 MOA micrometer windage and elevation clicks across a 45-point elevation scale.

Less suitable for: Target engagement distances exceeding 150–200 metres, where magnified riflescopes provide the necessary optical magnification; Winchester 94 Angle Eject configurations, which require dedicated top/side optical mounts; or pre-1952 receivers lacking factory-drilled receiver holes unless modified by a gunsmith.

SKU	LY39899LP
Model #	LY-66A
Brand	Lyman
Shipping Weight	0.5000kg

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Lyman Ly-66a Receiver Sight Win 94 Pre-Ae Micrometer Click

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