High Visibility Glowing Dot No Batteries Required
Bright, high-visibility red or green fiber optic rod snaps in place behind factory front bead on plain barrel 12 or 20 gauge shotgun; no gunsmithing required. Notch in base uses factory bead to locate Glo-Dot II sight correctly along bore axis.
Big Book Catalog, Issue:66, Page:293
New Product Supplement, Issue:611, Page:012
SPECS: Base- Plastic, matte black. 2 1/2" (6.35cm) long. Rods - Polymer, red or green. 2 1/4" (5.7cm) long x .078" (2mm) dia. Fits 12 and 20 gauge, un-ribbed barrels .728" (18.5mm) O.D. or larger.