Highly-visible front sight beads fit the Universal Ramps. Available in six different styles: Gold Patridge (Ptrdg.), White Bead, and Red Fiber Optic Bead. Includes spring detent.
Big Book Catalog, Issue:66, Page:281
New Product Supplement, Issue:504, Page:000
SPECS: Steel, blue. Heights listed are from top of base to top of bead. Sights will adjust for approximately .060” of additional height. Low - .177” (4.5mm), Med. - .197” (5mm), High - .216” (5.4mm). Bead Width: Standard, .099” (2.5mm). Fiber Optic (F/O) is available in red only.