BD1007-G - Threaded front bead replacement. Spark II sight, Green. Packaged with 5 threaded studs (6/48, 3/56, 5/40, 3mm x .5 & 3mm x .6) to fit all common shotguns with removable front bead.
Big Book Catalog, Issue:67, Page:300
Big Book Catalog, Issue:68, Page:316
Big Book Catalog, Issue:69, Page:295
Big Book Catalog, Issue:70, Page:291
Big Book Catalog, Issue:71, Page:315
Big Book Catalog, Issue:72, Page:314
Big Book Catalog, Issue:73, Page:323