Direct replacement for factory front sights on No. 1 and M-77 rifles.
Retained by existing plunger or a set screw; minor fitting is
required for models with plunger toward breech. White Bead
draws your eye to the front sight.
Big Book Catalog, Issue:66, Page:278
New Product Supplement, Issue:531, Page:000
SPECS: Steel, black. White plastic bead approx. 3/32" (.51mm) dia. Height
is measured from bottom of dovetail to top of bead.