Peep Rear Sight, adjustable, to fit Thompson Center, Lyman Deerstalker, Lyman Trade Rifle, and similar Hawken rifles

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Peep Rear Sight, adjustable,
to fit Thompson Center, Lyman Deerstalker,
Lyman Trade Rifle, and similar Hawken rifles

Part Number:	RS-57-SML
Availability:
Price:	$116.99

This blued sight, with two eye disks, is easily installed on Thompson Center, Lyman Deerstalker, Lyman Trade Rifle, and similar Hawken rifles. Two mounting screws included. Features 1/4 minute micrometer click adjustments for elevation and windage, quick release slide. Small 5/8" diameter knurled disk is drilled .040". Large 1/2" diameter knurled disk is drilled with a .092" aperture for large field of view and quick target acquisition. Made in the U.S.A. by Lyman, this sight is a favorite of target shooters. It may require drilling and tapping an 8-32 hole. Use our tap drill #DRILL-29 and #TAP-8-32-T 8-32 taper tap.

Polished and blued duralumin alloy, it includes two eye disks. Remove the eye disk for low light use. Two mounting screws are included. Features 1/4 minute micrometer click adjustments for elevation and windage, quick release slide. The larger 5/8" diameter knurled eye disk is drilled with the smaller .040" aperture for use on bright days. The smaller 1/2" diameter knurled disk is drilled with an .093" aperture for large field of view and quick target acquisition on cloudy days. Made in the U.S.A. by Lyman, this sight is a favorite of target shooters. Both large and small eye disks are included (small disk shown). A third choice is to use this sight with no eye disk installed, for quick sighting in dark woods or dark days.

Shown with the 1/2" aperture installed. Replacement apertures are available at extra cost.
Re-order large 5/8" disk with smaller .040" aperture, #RS-57-DISK-2S
Re-order small 1/2" disk, with larger .093" aperture, #RS-57-DISK-2L
Disks have special 7/32-40 thread to fit Lyman and some other sights.

The RS-57-SML sight shown installed on a Thompson Center Hawken rifle. Rifle not included.

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lyman-57&66-sight-instructions.pdf Last updated:06/17/2015 (68 KB)

page_245.pdf Last updated:04/25/2012 (145 KB)

drill bit, HSS, Number 29, .1360" diameter, tap drill for 8-32 thread

Part Number:	DRILL-29
Availability:
Price:	$1.99
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Aperture disk, large, 1/2" diameter, .093" aperture, fits Lyman RS-57-SML or RS-57-GPR sight

Part Number:	RS-57-DISK-2L
Availability:
Price:	$9.99
Order Quantity:

Aperture disk. Small .040" aperature in large 5/8" disk fits RS57SML or RS57GPR. Special 7/32-40 thread .

Part Number:	RS-57-DISK-2S
Availability:
Price:	$9.99
Order Quantity:

Tap, high carbon steel, 8-32 thread, taper tap

Part Number:	TAP-8-32-T
Availability:
Price:	$3.99
Order Quantity:

Track's Catalog 18, Out of Print Please use our FREE on-line catalog and web site.

Part Number:	CATALOG-18
Availability:
Price:	$10.00

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