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Lyman
The Lyman 66 Receiver Peep Sight brings old-school accuracy to modern hunting setups—a precision aperture sight engineered for hunters who favor instinctive, fast-target acquisition over magnified glass. Designed to mount directly onto flat receivers, the 66 is the go-to choice for lever-action hunters running Winchester 94s, Marlin 336s, or even shooters looking to upgrade a platform like the SKS. If your rifle's receiver has the real estate for a solid, repeatable sight that doesn't require batteries or complicated adjustments, the Lyman 66 delivers.
What sets the 66 apart is its micrometered precision combined with user-friendly field adjustment. The 1/4 minute audible click system lets you dial elevation and windage with confidence, while the coin-slotted "stayset" knobs stay put once you lock them in—no accidental shifts during a long pack into the field. Equally important: you get two interchangeable aperture discs in the package. Swap between the larger hunting disc for low-light conditions and tight cover, or install the small target aperture when you need surgical accuracy at the bench or on a calm range day. That flexibility means one sight handles everything from dawn deer season to midday varmint work.
Peep sights have proven themselves in the field for generations because they're simple, fast, and reliable. The 66 honors that legacy while delivering the mechanical precision modern hunters expect. No parallax issues, no lens reflections, no electronics to fail—just pure sight picture and trigger control. It's the sight choice for hunters who trust their fundamentals and want a platform that won't let them down in the moment that matters.
| Product Type | Receiver Peep Sight |
| Brand | Lyman |
| Adjustment Type | 1/4 minute audible click micrometer |
| Elevation | Micrometer adjustable |
| Windage | Micrometer adjustable |
| Mounting | Flat receiver mount |
| Apertures Included | Two interchangeable discs (hunting & target) |
| Knob Style | Coin-slotted "stayset" design |
| Compatible Platforms | Winchester 94, Marlin 336, SKS, modern shotguns, and other flat-receiver rifles |
The 66 mounts on flat receivers found on Winchester 94 and Marlin 336 lever actions, SKS platforms, and modern shotguns. If your rifle has a flat top receiver with mounting provisions, it will accept the 66. Before ordering, confirm your specific platform has compatible mounting holes.
Yes. The 66 comes with two interchangeable aperture discs: a larger hunting aperture for low-light and field conditions, and a smaller target aperture for precision shooting. You can swap them depending on conditions and your intended use.
The sight uses 1/4 minute audible click micrometer adjustments for both elevation and windage. The coin-slotted knobs stay set once locked, so your zero remains solid in the field. Each click is one quarter of a minute of angle, giving you precise, repeatable adjustments.
No. The 66 features a quick-release slide, so you can take it off your rifle quickly if needed. Once mounted, the micrometer knobs allow you to dial elevation and windage without removal.
Lyman
The Lyman 66 Receiver Peep Sight brings old-school accuracy to modern hunting setups—a precision aperture sight engineered for hunters who favor instinctive, fast-target acquisition over magnified glass. Designed to mount directly onto flat receivers, the 66 is the go-to choice for lever-action hunters running Winchester 94s, Marlin 336s, or even shooters looking to upgrade a platform like the SKS. If your rifle's receiver has the real estate for a solid, repeatable sight that doesn't require batteries or complicated adjustments, the Lyman 66 delivers.
What sets the 66 apart is its micrometered precision combined with user-friendly field adjustment. The 1/4 minute audible click system lets you dial elevation and windage with confidence, while the coin-slotted "stayset" knobs stay put once you lock them in—no accidental shifts during a long pack into the field. Equally important: you get two interchangeable aperture discs in the package. Swap between the larger hunting disc for low-light conditions and tight cover, or install the small target aperture when you need surgical accuracy at the bench or on a calm range day. That flexibility means one sight handles everything from dawn deer season to midday varmint work.
Peep sights have proven themselves in the field for generations because they're simple, fast, and reliable. The 66 honors that legacy while delivering the mechanical precision modern hunters expect. No parallax issues, no lens reflections, no electronics to fail—just pure sight picture and trigger control. It's the sight choice for hunters who trust their fundamentals and want a platform that won't let them down in the moment that matters.
| Product Type | Receiver Peep Sight |
| Brand | Lyman |
| Adjustment Type | 1/4 minute audible click micrometer |
| Elevation | Micrometer adjustable |
| Windage | Micrometer adjustable |
| Mounting | Flat receiver mount |
| Apertures Included | Two interchangeable discs (hunting & target) |
| Knob Style | Coin-slotted "stayset" design |
| Compatible Platforms | Winchester 94, Marlin 336, SKS, modern shotguns, and other flat-receiver rifles |
The 66 mounts on flat receivers found on Winchester 94 and Marlin 336 lever actions, SKS platforms, and modern shotguns. If your rifle has a flat top receiver with mounting provisions, it will accept the 66. Before ordering, confirm your specific platform has compatible mounting holes.
Yes. The 66 comes with two interchangeable aperture discs: a larger hunting aperture for low-light and field conditions, and a smaller target aperture for precision shooting. You can swap them depending on conditions and your intended use.
The sight uses 1/4 minute audible click micrometer adjustments for both elevation and windage. The coin-slotted knobs stay set once locked, so your zero remains solid in the field. Each click is one quarter of a minute of angle, giving you precise, repeatable adjustments.
No. The 66 features a quick-release slide, so you can take it off your rifle quickly if needed. Once mounted, the micrometer knobs allow you to dial elevation and windage without removal.
