Brownells Brownells Brownells 75th Anniversary - A Shooting Heritage

Adjustable Aperture Eyepiece For Popular Target Sights

Compact, adjustable receiver sight discs give choice of iris openings from .025" to .155" diameter. External “click” spring.


Big Book Catalog, Issue:67, Page:290
New Product Supplement, Issue:572, Page:010
SPECS: Steel. ½" (12.7mm) diameter x ¼" (6.3mm) thick disc, 7⁄32" (5.6mm) - 40 thread. #4LS - 11⁄32" (8.7mm) long shank. #4ELS - 15⁄32" (11.9mm) long shank. #4 10-32 - 5⁄16" (8.7mm) long shank, fits Marble tang sight. #4 SS – 5⁄16" (8.7mm) long shank, fits Lyman #2 tang sight.