The Lyman 57SMET Receiver Sight features 1/4 minute audible click micrometer windage and elevation adjustments as well as coin-slotted low-profile stayset knobs. The quick-release slide with return-to-zero preset screw allows quick removal and replacement. It includes two interchangeable aperture discs: a large hunting aperture and a small target aperture. and also black anodized aluminum body with blue steel knobs and detents.

Features:
- Made for Rifles-Universal
- Rear Sight Sight

Includes:

- Lyman 57SMET Receiver Sight
- 2 Aperture Disks (Hunting and Small Target)
- Blue Steel Knobs and Detents

Specifications:

- Material: Blued Aluminum
- Adjustment: Audible click micrometer for elevation and windage
- Compatibility: Rounded receivers on Mauser and Springfield Rifles
- Requires drilling and tapping receiver
- Weight: 4 oz.